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Mirror lenses (2)

Printed From: Dyxum.com
Category: Dyxum Photographs
Forum Name: Themed Views
Forum Description: Post your photos in one of our themed topics
URL: https://www.dyxum.com/dforum/forum_posts.asp?TID=140930
Printed Date: 02 December 2022 at 15:32


Topic: Mirror lenses (2)
Posted By: Micholand
Subject: Mirror lenses (2)
Date Posted: 02 April 2022 at 13:12
This thread is about mirror lenses.
And the place to post your shots made with mirror lenses, discuss their pros and cons, give advise, tips, and so on and so forth.

Let's follow https://www.wikiwand.com/en/Through_the_Looking-Glass - Alice through the mirror, and see what can be found there!

For completeness, here is the link to the previous 'Mirror lens' thread:
  • https://www.dyxum.com/dforum/mirror-lenses_topic140391.html - Mirror lenses!


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/Michael

//www.dyxum.com/dforum/topic87334.html - DWEs don't grow on trees! | //www.dyxum.com/dforum/posting-images-and-links-faqs_topic28010.html - Posting images&links FAQ



Replies:
Posted By: Fred_S
Date Posted: 11 April 2022 at 20:39
I'll open this episode with a few shots taken during a little regional cycle tour last weekend with the Rokkor RF 500mm F8 (on A7R2)

#1 Hare
https://www.flickr.com/gp/147603320@N02/844fd1">


#2 Noordermolen
https://www.flickr.com/gp/147603320@N02/6M587c">

#3 Geese
https://www.flickr.com/gp/147603320@N02/C9n8i1">


#4 Lapwing
https://www.flickr.com/gp/147603320@N02/70Z0Sy">


#5 Heron
https://www.flickr.com/gp/147603320@N02/r40242">


#6 Blossom
https://www.flickr.com/gp/147603320@N02/H9LtFD">

#7 Sparrow
https://www.flickr.com/gp/147603320@N02/3b994t">









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https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: Howard_S
Date Posted: 12 April 2022 at 00:32
Nice bokeh wrangling in #1 and #6, Fred!

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Howard Stanbury https://www.instagram.com/instadelusions/ - Instagram | http://www.flickr.com/photos/stanbury/ - Flickr | http://stanbury.org/ - Web


Posted By: Fred_S
Date Posted: 13 April 2022 at 21:12
Thanks Howard! That is what mirror lenses are about isn't it?

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https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: Fred_S
Date Posted: 25 May 2022 at 20:59
A few with the Samyang E f6.3/300mm E-mount on A7R2, showing the sharpness and different (bokeh) possibilities with this lens.

#1 Dandelion
https://www.flickr.com/gp/147603320@N02/BbH265">


#2 Just donuts
https://www.flickr.com/gp/147603320@N02/UnATW3">


#3 Buttercup and donut bokeh
https://www.flickr.com/gp/147603320@N02/4E98FA">

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https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: addy landzaat
Date Posted: 08 June 2022 at 22:19
I think you guys may be interested in this video of the Slanted Lens: https://www.youtube.com/watch?v=kxc6Slomw1Y

I did not view all 33 pages of the previous thread, but I did not see a lot of dedicated portraits. In this video there are some really nice portraits and the bokeh, used well, is really interesting for portraits it seems - I did not expect that

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Why not follow me on Instagram? @Addy_101


Posted By: woodrim
Date Posted: 09 June 2022 at 15:41
I see that I have been neglecting my favorite thread and now there is this new one. I have an announcement of a coming announcement     The MonsterAdapter for Vectis will soon be available again.

This image from Mamiya-Sekor C 8/500 and my trusty A7 II.


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Regards,

woodrim


Posted By: woodrim
Date Posted: 15 June 2022 at 21:01
Originally posted by addy landzaat addy landzaat wrote:

I think you guys may be interested in this video of the Slanted Lens: https://www.youtube.com/watch?v=kxc6Slomw1Y

I did not view all 33 pages of the previous thread, but I did not see a lot of dedicated portraits. In this video there are some really nice portraits and the bokeh, used well, is really interesting for portraits it seems - I did not expect that


I like using my 400mm mirrors for portraits. I've shot friends and family that way and have some very nice images. I'd post them here but would need to upload to Flickr first where I don't want them published. I typically pick backgrounds that don't create a busy donut pattern.

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Regards,

woodrim


Posted By: woodrim
Date Posted: 15 June 2022 at 21:21
The rookery where I do most of my bird shooting really needs the longer lenses but this year a brave egret made her nest in a conifer very close to our walking path. There are two hatchlings that I first photographed on May 15 as tiny furballs a week after they hatched. Then two weeks later they already started trying out their wings.

Mamiya-Sekor C 8/500 and A7 II









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Regards,

woodrim


Posted By: Fred_S
Date Posted: 15 June 2022 at 21:26
Very nice Mike!

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https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: woodrim
Date Posted: 15 June 2022 at 21:43
Thank you, Fred.

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Regards,

woodrim


Posted By: woodrim
Date Posted: 25 June 2022 at 16:40
Originally posted by woodrim woodrim wrote:

The rookery where I do most of my bird shooting really needs the longer lenses but this year a brave egret made her nest in a conifer very close to our walking path. There are two hatchlings that I first photographed on May 15 as tiny furballs a week after they hatched. Then two weeks later they already started trying out their wings.

Mamiya-Sekor C 8/500 and A7 II










These birds grow very quickly. Since posting these images, they had become more adventuress and explored the branches around their nest. I received a report yesterday that they both fell into the water below. It seems one somehow held onto the other. The splash is a noise that signals lunch for the gators. The woman that reported the incident was there to witness it. Very sad. I keep thinking and wondering if I had been there would I have gone in to save them? I hate the thought of being in swampy water but not as much as having to witness what happened to them. Before you mention the obvious - the gators - most this year have been smaller than me. But had there been a snake in the water, I'd definitely stay on land.

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Regards,

woodrim


Posted By: woodrim
Date Posted: 25 June 2022 at 16:53
This family may or may not know how good they have it. Every year, night herons come to Charleston's Hampton Park to nest in the trees on a small island in the middle of a small pond. Never an alligator in that pond.

These were back in a shaded area where they could just barely be seen. I hate using high ISO but did dial-up to ISO800 and shot this with the aid of a monopod at 1/60 second. Mamiya-Sekor C 8/500.


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Regards,

woodrim


Posted By: Tricky01
Date Posted: 25 June 2022 at 17:07
I sold my Sony 500mm f8 quite some time ago, but I do miss it's compactness. I found it a brilliant lens for sporting events where security can be a bit OTT (over the top) on enforcing rules on photography and lenses. a 300 2.8 tends to raise eyebrows, whereas the 500mm slips in without even a whisper. With such events typically in the middle of the day in summer, there's plenty of light meaning the f8 is no issue. So some examples from centre court at Wimbledon (was already in 3rd or 4th row so quite close to the action) and at Twickenham for rugby sevens (where I was 3rd or 4th row back, but in the upper tier, so a LONG way from the action).

The lens definitely needs some consideration for the background with the unique bokeh, but as shown in the Twickenham shots, if you're positioned very high up in the stands, it's not an issue at all. Worth noting these were all taken across 2010 and 2011. My processing skills - and the tools - have come on quite some way since then, so sure these could be tidied up quite a lot (from basic tighter cropping through to sharpening)

Federer preparing to recieve
https://flic.kr/p/8dgFrk"> https://flic.kr/p/8dgFrk - Untitled by https://www.flickr.com/photos/tricky83/ - Simon Tregidgo , on Flickr

Federer serving
https://flic.kr/p/8djZJJ"> https://flic.kr/p/8djZJJ - Untitled by https://www.flickr.com/photos/tricky83/ - Simon Tregidgo , on Flickr

Federer pensive (this is probably the best shot and worst shot - nice of Federer, horrible of the background fans whose noses have imploded)
https://flic.kr/p/8djYRQ"> https://flic.kr/p/8djYRQ - 4. Pray by https://www.flickr.com/photos/tricky83/ - Simon Tregidgo , on Flickr

Rugby sevens
https://flic.kr/p/9Lissg"> https://flic.kr/p/9Lissg - _DSC0943 by https://www.flickr.com/photos/tricky83/ - Simon Tregidgo , on Flickr

https://flic.kr/p/9LmeeS"> https://flic.kr/p/9LmeeS - _DSC0924 by https://www.flickr.com/photos/tricky83/ - Simon Tregidgo , on Flickr




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http://www.simotre.co.uk - web
A9, A7Riii, A7R (full spectrum) 12f2.8, 15f2, 16-35f4, tam28-200, 35f1.8, 50 1.8, 85f1.8, 90f2.8, 135GM, 200-600G, 1.4xTC // A: Sig 90f2.8


Posted By: woodrim
Date Posted: 28 June 2022 at 00:17
Tricky01: Great use of that mirror.

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Regards,

woodrim


Posted By: woodrim
Date Posted: 28 June 2022 at 00:41
A few more from the Mamiya-Sekor C 8/500 and A7 II.











-------------
Regards,

woodrim


Posted By: mariuszlo
Date Posted: 28 June 2022 at 01:27
Love the last one!

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Sony A99II with Sony, Minolta, Sigma, Tamron A lenses, Sony A7R with Minolta MD lenses, Sony A6400 with Sony E lenses.


Posted By: Howard_S
Date Posted: 28 June 2022 at 09:17
Love the first one!

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Howard Stanbury https://www.instagram.com/instadelusions/ - Instagram | http://www.flickr.com/photos/stanbury/ - Flickr | http://stanbury.org/ - Web


Posted By: woodrim
Date Posted: 28 June 2022 at 15:10
Originally posted by Howard_S Howard_S wrote:

Love the first one!


Mine too. Thank you.


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Regards,

woodrim


Posted By: Fred_S
Date Posted: 28 June 2022 at 20:02
Originally posted by Howard_S Howard_S wrote:

Love the first one!

+1

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https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: Snegren
Date Posted: 27 July 2022 at 12:27
1: Lilies
https://www.flickr.com/photos/paulemans/52239993235/">
Camera Model: ILCE-7M3
Lens: Minolta RF Rokkor 250mm 1:5.6
Aperture: f/5.6
Exposure Time: 0.001 sec (1/1250)
ISO: 320

2: lilies
https://www.flickr.com/photos/paulemans/52239788054/">
Camera Model: ILCE-7M3
Lens: Minolta RF Rokkor 250mm 1:5.6
Aperture: f/5.6
Exposure Time: 0.001 sec (1/1600)
ISO: 320

3: Lily
https://www.flickr.com/photos/paulemans/52242498922/">
Camera Model: ILCE-7M3
Lens: Minolta RF Rokkor 250mm 1:5.6
Aperture: f/5.6
Exposure Time: 1/3200 sec
ISO: 320

4: The loud paddle
https://www.flickr.com/photos/paulemans/52239502801/">
Camera Model: ILCE-7M3
Lens: Minolta RF Rokkor 250mm 1:5.6
Aperture: f/5.6
Exposure Time: 0.001 sec (1/1250)
ISO: 320

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“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Howard_S
Date Posted: 30 July 2022 at 18:24
https://flic.kr/p/2nBhsMP">
https://flic.kr/p/2nBhsMP - Puffin A7III and 5Minolta 500mm Reflex AF F8

There some more with this combo in my Open View here,
https://www.dyxum.com/dforum/forum_posts.asp?TID=141098&PID=1694466&title=st-davids-and-pembrokeshire-4-skomer#1694466 - https://www.dyxum.com/dforum/forum_posts.asp?TID=141098&PID=1694466&title=st-davids-and-pembrokeshire-4-skomer#1694466

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Howard Stanbury https://www.instagram.com/instadelusions/ - Instagram | http://www.flickr.com/photos/stanbury/ - Flickr | http://stanbury.org/ - Web


Posted By: Snegren
Date Posted: 03 August 2022 at 22:34
1: Marked for destruction
https://www.flickr.com/photos/paulemans/52260361117/">
Camera Model: ILCE-7RM4
Lens: Minolta RF Rokkor 250mm 1:5.6
Aperture: f/5.6
Exposure Time: 0.04 sec (1/25)
ISO: 1600

2: Foliage
https://www.flickr.com/photos/paulemans/52261816595/">
Camera Model: ILCE-7RM4
Lens: Minolta RF Rokkor 250mm 1:5.6
Aperture: f/5.6
Exposure Time: 0.008 sec (1/125)
ISO: 800

3: Take me to the bridge
https://www.flickr.com/photos/paulemans/52261329906/">
Camera Model: ILCE-7RM4
Lens: Minolta RF Rokkor 250mm 1:5.6
Aperture: f/5.6
Exposure Time: 0.006 sec (1/160)
ISO: 100

4: Ami 8
https://www.flickr.com/photos/paulemans/52260361482/">
Camera Model: ILCE-7RM4
Lens: Minolta RF Rokkor 250mm 1:5.6
Aperture: f/5.6
Exposure Time: 0.008 sec (1/125)
ISO: 125

5: Waves
https://www.flickr.com/photos/paulemans/52261816265/">
Camera Model: ILCE-7RM4
Lens: Minolta RF Rokkor 250mm 1:5.6
Aperture: f/5.6
Exposure Time: 0.002 sec (1/500)
ISO: 100

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Snegren
Date Posted: 15 August 2022 at 20:07
Last Saturday I went sailing with a friend. Not a lot of wind, but lots of fun. All with Minolta AF Reflex 500mm 1:8 on A7Riv with LA-EA5 adapter, handheld, Steady Shot on.


1: Blue on Blue
https://www.flickr.com/photos/paulemans/52285816246/">
Exposure Time: 0.001 sec (1/800)
ISO: 250

2: Are you looking at me?
https://www.flickr.com/photos/paulemans/52285815456/">
Exposure Time: 0.001 sec (1/800)
ISO: 400

3: A pair of sunbathers
https://www.flickr.com/photos/paulemans/52285820958/">
Exposure Time: 0.001 sec (1/800)
ISO: 640

4: Wave breaker
https://www.flickr.com/photos/paulemans/52284834807/">
Exposure Time: 0.001 sec (1/1000)
ISO: 200

5: Sailing to the edge of the world
https://www.flickr.com/photos/paulemans/52286079174/">
Exposure Time: 0.001 sec (1/800)
ISO: 200

6: Riding the unicorn
https://www.flickr.com/photos/paulemans/52285820653/">
Exposure Time: 0.001 sec (1/1000)
ISO: 250

7: Windmill Laelk, Anno 1632
https://www.flickr.com/photos/paulemans/52286079414/">
Exposure Time: 0.001 sec (1/800)
ISO: 100

8: Fun with the Jobe Funtube
https://www.flickr.com/photos/paulemans/52285820538/">
Exposure Time: 0.001 sec (1/800)
ISO: 200

9: Captain cool
https://www.flickr.com/photos/paulemans/52286304115/">
Exposure Time: 0.001 sec (1/800)
ISO: 250

10: A flock of sparrows and one magpie
https://www.flickr.com/photos/paulemans/52286079634/">
Exposure Time: 0.001 sec (1/800)
ISO: 200

11: Tern
https://www.flickr.com/photos/paulemans/52285814486/">
Exposure Time: 0.001 sec (1/800)
ISO: 250

12: Kaagmolen at sunset
https://www.flickr.com/photos/paulemans/52285814951/">
Exposure Time: 0.001 sec (1/1000)
ISO: 1250









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“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: woodrim
Date Posted: 10 September 2022 at 18:05
Look here...
https://www.facebook.com/MonsterAdapter-110210297369391/ - Look HERE

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Regards,

woodrim


Posted By: darosa
Date Posted: 10 September 2022 at 20:37
Still a few early bird offers left: https://www.indiegogo.com/projects/la-ve2-minolta-v-mount-to-sony-e-mount-af-adapter/x/30177029?utm_source=lifecycle#/ - see here


Posted By: woodrim
Date Posted: 22 September 2022 at 17:48
Very nice, crisp images, Paul. I wish that adapter worked on the A7 II.

I'm sorry I haven't been here much. I still only get out one afternoon a week and the rest of my time goes to business and family.

I've found the super-long mirror lenses to be difficult to use and generally they're not as good as the 500mm. However, I must say that I was pleasantly surprised by the Vivitar Solid Cat 800mm. I came up with the bright idea of trying an Olympus M43 to accomplish the extra reach. I only considered it because I thought the greater pixel density will provide better images than my 24mp full frame cropped for the same angle of view. The jury is still out, but I have discovered that the Oly sensor has a thick filter and it seems to be challenged by my 500mm mirror and mirror lenses in general. I'm beginning to think it would be better to suck up the expense for an A7r IV (probably used) and crop to the field of view needed.

A few words about the Monsteradapter for Vectis. I had posted last year that there would be another production and it has finally come, although much later than I had expected. I had been sent one of the AF adapters and asked to participate in testing. I would have liked to have said more about it but was sworn to secrecy, so could not tell you mine was AF. I think all the Vectis 400 images I've posted have been from the AF adapter. It was not without a couple of bugs but still works pretty well. I find the AF to be quick and accurate. I had no problem using the MF version, but the AF does make it a lot easier.

Here are some recent Vectis 400 from the AF adapter.

    







-------------
Regards,

woodrim


Posted By: Fred_S
Date Posted: 22 September 2022 at 22:29
Originally posted by woodrim woodrim wrote:

Very nice, crisp images, Paul. I wish that adapter worked on the A7 II.

Here are some recent Vectis 400 from the AF adapter.



Almost regret I sold my AF500 reflex!
That combo of yours seems to work well too Mike.
I like that pose of the pelican in the second shot

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https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: woodrim
Date Posted: 22 September 2022 at 22:36
Originally posted by Fred_S Fred_S wrote:

Originally posted by woodrim woodrim wrote:

Very nice, crisp images, Paul. I wish that adapter worked on the A7 II.

Here are some recent Vectis 400 from the AF adapter.



Almost regret I sold my AF500 reflex!
That combo of yours seems to work well too Mike.
I like that pose of the pelican in the second shot


What? You sold your AF Reflex? Do you have a better mirror?


-------------
Regards,

woodrim


Posted By: Fred_S
Date Posted: 22 September 2022 at 22:44
At that time I felt it didn't suit me well.
I was never happy with the results.
I don't have a better one now, just two manual versions (Samyang 300mm and Rokkor 500mm).


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https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: woodrim
Date Posted: 22 September 2022 at 22:57
Originally posted by Fred_S Fred_S wrote:

At that time I felt it didn't suit me well.
I was never happy with the results.
I don't have a better one now, just two manual versions (Samyang 300mm and Rokkor 500mm).


Fred: I have the LA-EA4 adapter but have not been pleased with the consistency of focus, so most times I manually focus it. I don't expect Sony to ever support my camera with the EA5. I think I would use it more if I did the Monster conversion to the adapter. Until then, there are three others I will pick up first when manual focusing. But the Vectis 400 gets the most use.

-------------
Regards,

woodrim


Posted By: Snegren
Date Posted: 23 September 2022 at 08:30
I bought the LA-EA5 without reading the camera compatibility restrictions and found out the hard way only the latest cameras are supported (why not some firmware updates to fix this?). Alas, I took the hit and got an A7Riv. Not fond of the 61 MP 15 bit file size, but the sensor is seriously good and AF on the 500mm Minolta CAT is very convenient. I found MF is very difficult on the 500mm CAT if you are not on tripod (the image just keeps moving too much) but on the 250mm CAT it is OK. Eagerly awaiting my Vectis AF adapter so I can finally get the 400mm CAT to work.    

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“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Bob J
Date Posted: 23 September 2022 at 12:24
I did a review of the 500AF compared with a Vivitar 500 (same lens as the Samyang 500 I think): https://www.35mmc.com/26/10/2021/minolta-af-reflex-500-review/ - https://www.35mmc.com/26/10/2021/minolta-af-reflex-500-review/

I use the 500AF for aircraft quite a bit, both with the A99 and with an A7ii/La-EA4 combo. On either setup there is only one focus point, do you still only get one with the LA-EA5 or does PDAF off the sensor give more flexibility?

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RBJ ~ http://tinyurl.com/h7uhozk - Moderation on Dyxum


Posted By: woodrim
Date Posted: 23 September 2022 at 22:13
Originally posted by Snegren Snegren wrote:

I bought the LA-EA5 without reading the camera compatibility restrictions and found out the hard way only the latest cameras are supported (why not some firmware updates to fix this?). Alas, I took the hit and got an A7Riv. Not fond of the 61 MP 15 bit file size, but the sensor is seriously good and AF on the 500mm Minolta CAT is very convenient. I found MF is very difficult on the 500mm CAT if you are not on tripod (the image just keeps moving too much) but on the 250mm CAT it is OK. Eagerly awaiting my Vectis AF adapter so I can finally get the 400mm CAT to work.    


Paul: Manual focusing can be very challenging. I'm pretty comfortable with it either handheld or with a monopod, but it does take a steady hand and holding of breath. I concluded the 800mm needs the monopod at a minimum. That said, my age is kicking in and I've developed some shake to my hands. My handheld days may be numbered.

I did read the EA5 fine print and was disappointed that my camera wasn't supported. However, the Monster people have been doing a good job with their EA4 conversion, so I may go that route. I think you'll love the Vectis if you aren't too bothered by the vignetting.

-------------
Regards,

woodrim


Posted By: woodrim
Date Posted: 23 September 2022 at 22:14
Originally posted by Bob J Bob J wrote:

I did a review of the 500AF compared with a Vivitar 500 (same lens as the Samyang 500 I think): https://www.35mmc.com/26/10/2021/minolta-af-reflex-500-review/ - https://www.35mmc.com/26/10/2021/minolta-af-reflex-500-review/

I use the 500AF for aircraft quite a bit, both with the A99 and with an A7ii/La-EA4 combo. On either setup there is only one focus point, do you still only get one with the LA-EA5 or does PDAF off the sensor give more flexibility?


I do know that the MonsterAdapter EA4 conversion allows a wider AF area, but I cannot give any more details.

-------------
Regards,

woodrim


Posted By: shapencolour
Date Posted: 25 September 2022 at 09:14
Taken with Sony A7 and Minolta MD Rokkor Reflex 500/8 adapted

1
2
3
4
5
6
7
8
9
10


Posted By: woodrim
Date Posted: 26 September 2022 at 01:08
Very good use of that Rokkor. Sharp. I like #3, it reminds me of the ironwork here in Charleston.

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Regards,

woodrim


Posted By: Snegren
Date Posted: 26 September 2022 at 10:26
Originally posted by woodrim woodrim wrote:

I think you'll love the Vectis if you aren't too bothered by the vignetting.

I've been using 16 mm film lenses quite a bit. As they have been developed for a 13 mm image circle, they bring a whole new meaning to the word vignetting. I can deal with that.

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“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Snegren
Date Posted: 26 September 2022 at 10:34
Originally posted by Bob J Bob J wrote:

I did a review of the 500AF compared with a Vivitar 500 (same lens as the Samyang 500 I think): https://www.35mmc.com/26/10/2021/minolta-af-reflex-500-review/ - https://www.35mmc.com/26/10/2021/minolta-af-reflex-500-review/

I use the 500AF for aircraft quite a bit, both with the A99 and with an A7ii/La-EA4 combo. On either setup there is only one focus point, do you still only get one with the LA-EA5 or does PDAF off the sensor give more flexibility?


Bob, the A7Riv does not allow me to adjust focus area. On the 500AF, the camera uses several AF points, but they are all located in the center. So, more than one, but not what you are looking for. But perhaps it is just not possible with CATs.

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“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: shapencolour
Date Posted: 27 September 2022 at 11:04
Originally posted by woodrim woodrim wrote:

Very good use of that Rokkor. Sharp. I like #3, it reminds me of the ironwork here in Charleston.


Thank you.Focusing was not easy,yet wit a bit of patience spot on.


Posted By: neilt3
Date Posted: 27 September 2022 at 12:15
Originally posted by Snegren Snegren wrote:

Originally posted by Bob J Bob J wrote:

I did a review of the 500AF compared with a Vivitar 500 (same lens as the Samyang 500 I think): https://www.35mmc.com/26/10/2021/minolta-af-reflex-500-review/ - https://www.35mmc.com/26/10/2021/minolta-af-reflex-500-review/

I use the 500AF for aircraft quite a bit, both with the A99 and with an A7ii/La-EA4 combo. On either setup there is only one focus point, do you still only get one with the LA-EA5 or does PDAF off the sensor give more flexibility?


Bob, the A7Riv does not allow me to adjust focus area. On the 500AF, the camera uses several AF points, but they are all located in the center. So, more than one, but not what you are looking for. But perhaps it is just not possible with CATs.


There's a third party kit available to alter the LA-EA4 to work without the mirror , from just before Sony released the LA-EA5.

When the reflex lens is used it allows you to select the focus point as you wish .
I've also got the a7Riv and LA-EA5, along with my old LA-EA4 , and I've been considering getting the chip to allow mine to work like this .
https://www.monsteradapter.com/products/la-ea4r-the-la-ea4-upgrade-kit - LA-EA4r Monster adapter chip

-------------
see my photostream on flickr;
https://www.flickr.com/photos/neilt3/sets/ - http://www.flickr.com/photos/neilt3/
C & C welcome.


Posted By: Snegren
Date Posted: 06 October 2022 at 08:58
Ovality
https://www.flickr.com/photos/paulemans/52407824038/">
Camera Model: ILCE-7RM4
Lens: Minolta 500mm F8 Reflex
Focal Length: 500 mm
Aperture: f/8.0
Exposure Time: 0.003 sec (1/320)
ISO: 500

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Fred_S
Date Posted: 06 October 2022 at 18:25
Nice one Paul!

Boredom can be a dangerous GAS catalyst. Just ordered an AF500 reflex earlier today after increasing regrets of selling mine before (seeing the nice work with this lens in this thread).

-------------
https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: Snegren
Date Posted: 06 October 2022 at 22:08
You did well Fred!

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Jozioau
Date Posted: 06 October 2022 at 23:02
Welcome back!
I've really appreciated this lens more and more as it has been fitted to the more recent cameras and the technology they offer.

-------------
"Your first 10,000 photographs are your worst" - Henri Cartier-Bresson
https://www.flickr.com/photos/jozioau/albums - My FlickrPro site


Posted By: woodrim
Date Posted: 07 October 2022 at 02:16
Originally posted by Snegren Snegren wrote:

Ovality
https://www.flickr.com/photos/paulemans/52407824038/">
Camera Model: ILCE-7RM4
Lens: Minolta 500mm F8 Reflex
Focal Length: 500 mm
Aperture: f/8.0
Exposure Time: 0.003 sec (1/320)
ISO: 500


Wow, good eye.

-------------
Regards,

woodrim


Posted By: woodrim
Date Posted: 07 October 2022 at 02:18
Originally posted by Fred_S Fred_S wrote:

Nice one Paul!

Boredom can be a dangerous GAS catalyst. Just ordered an AF500 reflex earlier today after increasing regrets of selling mine before (seeing the nice work with this lens in this thread).


AH, now you're back to your senses    Glad to see you back, Fred. I thought you had done well with it.

-------------
Regards,

woodrim


Posted By: woodrim
Date Posted: 07 October 2022 at 02:51
Back at the creek with my pelican friends and three lenses.

The ship's captain. Mamiya-Sekor C 8/500


Mamiya-Sekor C 8/500


Getting closer with the Vivitar Solid Cat 11/800


And one from the Vectis 8/400 with Monster AF adapter


-------------
Regards,

woodrim


Posted By: Fred_S
Date Posted: 09 October 2022 at 09:49
Mirror lenses do well in your habds Mike!

My AF200mm Reflex arroved yesterday. A few fisrts shots from the window do suggest I have a good sharp copy, with better contrast than the previous one.
I hope to show soem sample here soon.

In the meantime a few from my Samyang 300mm that appeard ideal dor a light weight outage since it's still a cha;;enge to handle and hold my camera.

#1 Autumn crocus
https://flic.kr/p/2nRsh2y">


#2 Goose portrait
https://flic.kr/p/2nRx9sd">


#3 Argic fly
https://flic.kr/p/2nRwkkr">


#4 More shrooms
https://flic.kr/p/2nRxu8i">


#5 Autumn scene
https://flic.kr/p/2nRxvNx">

-------------
https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: woodrim
Date Posted: 09 October 2022 at 16:17
Fred: Your Samyang does well. Love the mushrooms. I hope you enjoy the AF500 more this time around.

-------------
Regards,

woodrim


Posted By: Snegren
Date Posted: 09 October 2022 at 21:36
Fred: Great results with the Samyang!
Mike: Great result at all three focal lengths. I can't begin to imagine how it is to focus an 11/800 Cat.

Three sheep and a windmill
https://www.flickr.com/photos/paulemans/52413173779/">
Camera Model: ILCE-7RM4
Lens: Minolta AF Reflex 500mm 1:8
Focal Length: 500 mm
Aperture: f/8.0
Exposure Time: 0.003 sec (1/320)
ISO: 100


-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Snegren
Date Posted: 09 October 2022 at 22:32
Blues
https://www.flickr.com/photos/paulemans/52411736394/">
Camera Model: ILCE-7RM4
Lens: Minolta AF Reflex 500mm 1:8
Aperture: f/8.0
Exposure Time: 0.003 sec (1/320)
ISO: 500

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: woodrim
Date Posted: 10 October 2022 at 17:46
Nice, Paul. You have an eye for patterns.

Regarding the 11/800, My success with it would be very low had I used a DSLR. The mirrorless makes everything easier and the viewfinder compensates for the small aperture. This Solid Cat was a pleasant surprise to me. I had long ignored it until I had an opportunity to purchase one at a very low price. I thought it would be worth just knowing how good or bad. However, it does require at least a monopod, although I have used it handheld with mixed success.

-------------
Regards,

woodrim


Posted By: Snegren
Date Posted: 12 October 2022 at 21:42
You certainly have good CAT skills Mike!

Taking full advantage of the AF capabilities, it makes life a lot simpler.

Shutters
https://www.flickr.com/photos/paulemans/52423940373/">
Camera Model: ILCE-7RM4
Lens: Minolta AF Reflex 500mm 1:8
Aperture: f/8.0
Exposure Time: 0.003 sec (1/320)
ISO: 100

Animated Carillion, Town Hall Gouda
https://www.flickr.com/photos/paulemans/52422915772/">
Camera Model: ILCE-7RM4
Lens: Minolta AF Reflex 500mm 1:8
Aperture: f/8.0
Exposure Time: 0.003 sec (1/320)
ISO: 100

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Howard_S
Date Posted: 13 October 2022 at 19:22
I haven't posted here for a while, but here are some deer from last month in failing light, shot with the Minolta AF 500

Three of Hearts
https://www.flickr.com/photos/stanbury/52424816007/">

Fallow deer, Middlebere Farmhouse, Dorset
Date Taken: 2022-09-15 18:42:37 | Camera Make: SONY | Camera Model: ILCE-7M3 | Lens: 500mm F8 Reflex | Focal Length: 500 mm | Mode: Shutter speed priority AE | Aperture: f/8.0 | Exposure Time: 0.002 sec (1/640) | ISO: 5000 | Location: Purbeck District, England, UK

-------------
Howard Stanbury https://www.instagram.com/instadelusions/ - Instagram | http://www.flickr.com/photos/stanbury/ - Flickr | http://stanbury.org/ - Web


Posted By: woodrim
Date Posted: 14 October 2022 at 16:59
Paul: Who would know those shots came from a mirror lens? Very sharp and has greater DoF than I would expect from the 500mm. Was the first image a crop from farther out?

Howard: Very good for dim light. It's interesting to see how deer vary in appearance. Our deer here may have white on their tails but yours have it on their arses too. I've found that the deer here in Charleston are considerably smaller than what we had when I was in New Jersey. Seems yours assigned one to be the lookout.

-------------
Regards,

woodrim


Posted By: woodrim
Date Posted: 14 October 2022 at 17:13
We had a big birthday celebration here last weekend. Mine, my son's, and my brother who is turning 80. We stopped by the creek just in time for the trawler's return with bird escort. I took these pictures while waiting to buy some shrimp for our dinner. $4 a pound, but 10-pounds minimum. We're still eating shrimp this week.

Vectis 8/400 in AF mode with my trusty A7 II. Several of the images were not cropped, so the degree of vignetting can be seen.













-------------
Regards,

woodrim


Posted By: Snegren
Date Posted: 14 October 2022 at 21:20
Originally posted by woodrim woodrim wrote:

Paul: Who would know those shots came from a mirror lens? Very sharp and has greater DoF than I would expect from the 500mm. Was the first image a crop from farther out?

No crop, no donuts. I think they came out nice. I like this AF mirror.

I received an incomprehensible email in Chinese, the only thing I recognized was the FedEx symbol. I decided it was not fishing and clicked a link. I think next Wednesday I will receive my Vectis AF adapter. As all my Vectis lenses are untested, one can only hope that they work, particularly the 400 that was the cause of all this.

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: mariuszlo
Date Posted: 15 October 2022 at 01:23
Encouraged by your photos, I decided to buy the Reflex AF 500 again. This is my third copy (I have a similar story with apo 100-400)
Today was the first outing with this lens. So I'm showing you six photos from the Bronx Zoo.
#1

#2

#3

#4

#5

#6


-------------
Sony A99II with Sony, Minolta, Sigma, Tamron A lenses, Sony A7R with Minolta MD lenses, Sony A6400 with Sony E lenses.


Posted By: Howard_S
Date Posted: 15 October 2022 at 16:41
Originally posted by woodrim woodrim wrote:

Howard: Very good for dim light. It's interesting to see how deer vary in appearance. Our deer here may have with on their tails but yours have it on their arses too. I've found that the deer here in Charleston are considerably smaller than what we had when I was in New Jersey. Seems yours assigned one to be the lookout.


It was quite magical where we were staying, close to marshes by an estuary. The bird hide became a deer hide (the birds tended to be twice as far away and a fraction of the size ...). There's more to come - keep an eye open for an Open View thread next week.

Certainly the animals stay very alert, especially when we observed them in the open.

-------------
Howard Stanbury https://www.instagram.com/instadelusions/ - Instagram | http://www.flickr.com/photos/stanbury/ - Flickr | http://stanbury.org/ - Web


Posted By: Howard_S
Date Posted: 15 October 2022 at 16:43
@mariuslo that fox photo is fantastic - sharp where it needs to be and beautifullt rendered with the doughnut bokeh behind.

-------------
Howard Stanbury https://www.instagram.com/instadelusions/ - Instagram | http://www.flickr.com/photos/stanbury/ - Flickr | http://stanbury.org/ - Web


Posted By: Fred_S
Date Posted: 15 October 2022 at 17:03
Originally posted by mariuszlo mariuszlo wrote:

Encouraged by your photos, I decided to buy the Reflex AF 500 again. This is my third copy

Sounds like me, you are only one copy ahead of me

Some nice shots Mariusz. I like # 1,3 qnd 6 best.

-------------
https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: darosa
Date Posted: 15 October 2022 at 18:26
Never sell lenses, that's my maxim; maybe that's why I have so many. 😁


Posted By: Fred_S
Date Posted: 15 October 2022 at 18:54
Even when I include my sold ones, I am no where near your numbers, so there must be another reason

-------------
https://www.flickr.com/photos/147603320@N02 - My Flickr    
https://www.instagram.com/fred_s_photography - My Instagram


Posted By: Howard_S
Date Posted: 16 October 2022 at 23:25
So here's some more of the deer near Middlebere Farm in Dorset; all A7M3 and Minolta Reflex AF 500mm F8

1
https://flic.kr/p/2nTdDjA">
https://flic.kr/p/2nTdDjA - Fallow deer + magpie | ISO 5000, RAW file

2
https://flic.kr/p/2nTdDmu">
https://flic.kr/p/2nTdDmu - Fallow deer | ISO 8000, RAW file

3
https://flic.kr/p/2nTb15H">
ISO 8000, RAW file

4
https://flic.kr/p/2nTb18o">
By the estuary, ISO 8000, JPG



-------------
Howard Stanbury https://www.instagram.com/instadelusions/ - Instagram | http://www.flickr.com/photos/stanbury/ - Flickr | http://stanbury.org/ - Web


Posted By: jkp1
Date Posted: 17 October 2022 at 07:52
Originally posted by Snegren Snegren wrote:

Ovality
[URL= https://www.flickr.com/photos/paulemans/52407824038/%5d - https://www.flickr.com/photos/paulemans/52407824038/] [IMG] https://live.staticflickr.com/65535/52407824038_90e6943991_b.jpg%5b - https://live.staticflickr.com/65535/52407824038_90e6943991_b.jpg[ /IMG][/URL]
Camera Model: ILCE-7RM4
Lens: Minolta 500mm F8 Reflex
Focal Length: 500 mm
Aperture: f/8.0
Exposure Time: 0.003 sec (1/320)
ISO: 500


Never thought of the lens for such work :-)

-------------
Unused stuff in stock: A700, 24-105, 28-135, Sony A100, beercan, 100-200, Sony 70-200f2.8 + teleconverter


Posted By: Snegren
Date Posted: 18 October 2022 at 14:30
Originally posted by jkp1 jkp1 wrote:



Never thought of the lens for such work :-)


That has been my problem with photography for quite a while now!

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Snegren
Date Posted: 18 October 2022 at 14:32
Originally posted by Howard_S Howard_S wrote:



That AF500 is quite rewarding Howard!

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Snegren
Date Posted: 18 October 2022 at 14:39
Today the Vectis AF adapter arrived, gave it a quick test on the 400 Reflex (the reason for getting the adapter) and all-systems-are-go. AF works fine although not as refined as the modern day hypersonic drives, it gets there fast enough and does not hunt, MF works fine (cannot adjust MF on the camera, has to be through the A/M button on the lens which makes sense) and is nicely slow to adjust precisely. Test shots to follow soon.

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Snegren
Date Posted: 18 October 2022 at 14:40
Somehow I posted twice

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: woodrim
Date Posted: 18 October 2022 at 15:16
Originally posted by Snegren Snegren wrote:

Today the Vectis AF adapter arrived, gave it a quick test on the 400 Reflex (the reason for getting the adapter) and all-systems-are-go. AF works fine although not as refined as the modern day hypersonic drives, it gets there fast enough and does not hunt, MF works fine (cannot adjust MF on the camera, has to be through the A/M button on the lens which makes sense) and is nicely slow to adjust precisely. Test shots to follow soon.


Glad to hear that, Paul. Hopefully, you will experience the joy I have with that lens. Rare enough now; watch the prices go up.

-------------
Regards,

woodrim


Posted By: Snegren
Date Posted: 18 October 2022 at 21:58
The 400 Vectis Mirror is called 400-4mm F8.3 according lightroom, FL is reported as 405mm (near enough) and aperture as f/8.

400 Vectis Mirror on LA-VE2
https://www.flickr.com/photos/paulemans/52438263555/">

Perhaps not obvious to you Mike as an avid birder, but this lens is not Lord of the Straight Lines. -9 in Lightroom to put it straight.

pincushion
https://www.flickr.com/photos/paulemans/52438262860/">

Two Herons
https://www.flickr.com/photos/paulemans/52438082484/">

At MFD
https://www.flickr.com/photos/paulemans/52437300072/">

Enough for one day.

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Snegren
Date Posted: 19 October 2022 at 15:36
One remark about above images. They are not cropped. I removed the "rectangular" insert in the lens mount, from what I can see it reduces vignetting to almost nothing.


-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: woodrim
Date Posted: 19 October 2022 at 16:21
Originally posted by Snegren Snegren wrote:

One remark about above images. They are not cropped. I removed the "rectangular" insert in the lens mount, from what I can see it reduces vignetting to almost nothing.


I've been wondering about that but have been afraid to tamper with it. Was it straight forward? Any warnings? Does it cause wavy lines?

-------------
Regards,

woodrim


Posted By: darosa
Date Posted: 20 October 2022 at 14:35
Originally posted by Fred_S Fred_S wrote:

Even when I include my sold ones, I am no where near your numbers, so there must be another reason

It took me some time to arrive at a conclusion, but I think you may have a point, Fred!


Posted By: woodrim
Date Posted: 20 October 2022 at 15:23
Originally posted by darosa darosa wrote:

Originally posted by Fred_S Fred_S wrote:

Even when I include my sold ones, I am no where near your numbers, so there must be another reason

It took me some time to arrive at a conclusion, but I think you may have a point, Fred!


Fred: Rest assured that Leo is not alone in amassing a large number of lenses, but I won't mention names.
Leo: Take comfort in knowing that many others have numbers that far exceed either of ours or even ours together. I have seen evidence of such; shocking to even me.

I have developed a photo(lens)-relationship with a fellow in a nearby state that I met at MFLenses. To satisfy my curiosity, he sent me a list that did not include all duplicates or lenses needing repair or detachment from cameras. That list totaled ~500 at that time with 110 being mirrors. His is not the largest I've seen. If Leo's number is larger, maybe it's best not to know My number is unknown and uncounted and will remain that way.

-------------
Regards,

woodrim


Posted By: darosa
Date Posted: 20 October 2022 at 16:56
Thanks for the comforting words, Mike!
My problem is I know the exact number. As you say, it's best not to know, so I will not burden you with it; I must carry this heavy load alone.


Posted By: darosa
Date Posted: 20 October 2022 at 16:59
Btw, I tested the Vectis mirror today, it's awesome! To be continued ...


Posted By: woodrim
Date Posted: 20 October 2022 at 17:15
Originally posted by darosa darosa wrote:

Thanks for the comforting words, Mike!
My problem is I know the exact number. As you say, it's best not to know, so I will not burden you with it; I must carry this heavy load alone.


I do know that once I start counting, it gets surprising and troubling. I have never completed a count.

When I started this MF thing, I had less than a half dozen lenses from the nearly forty years prior. When my wife saw one, she started asking "is that a new lens?", to which I replied, "no, it's an old one". Eventually, she caught on.

-------------
Regards,

woodrim


Posted By: woodrim
Date Posted: 20 October 2022 at 17:15
Originally posted by darosa darosa wrote:

Btw, I tested the Vectis mirror today, it's awesome!


I knew that.

-------------
Regards,

woodrim


Posted By: Snegren
Date Posted: 22 October 2022 at 10:39
Originally posted by woodrim woodrim wrote:

Originally posted by Snegren Snegren wrote:

One remark about above images. They are not cropped. I removed the "rectangular" insert in the lens mount, from what I can see it reduces vignetting to almost nothing.


I've been wondering about that but have been afraid to tamper with it. Was it straight forward? Any warnings? Does it cause wavy lines?


I'm not sure what you mean by wavy lines Mike.

If I remember correctly, it was straightforward to remove the plastic insert that holds the "rectangular" window, but obviously not for the fainthearted. I was super careful with the electronic contacts and the attached ribbon cable, break anything there and the lens is beyond salvage as focus is electronic.

You have to unscrew the assembly that holds the contacts (2 scews) and the 4 screws that fix the lens mount, that allows you to free the plastic insert. You then need to shave off the bits you don't want, I used a Dremel with a cutting disc for that. When I did this there were still 400 REFLEX lenses on the market for reasonable prices, they seem to have disappeared now. I think Vectis lenses have become collectible.



     

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: Snegren
Date Posted: 22 October 2022 at 10:48
I also like the 400 REFLEX. AF can be tricky, it depends on the subject if the lens locks on or goes into short focus cycling. A7M3 or A7RM4 show similar behaviour. I think there is a good reason why the Minolta 500 AF only supports the centre AF points, because there I have most succes with AF on the 400. Anyway, I tried birding yesterday:

Swan
https://www.flickr.com/photos/paulemans/52444698723/">
Camera Model: ILCE-7M3
Lens: MINOLTA V MIRROR LENS 400mm f/8 on MonsterAdapter LA-VE2 auto-focus adapter
Aperture: f/8.0
Exposure Time: 0.008 sec (1/125)
ISO: 200

-------------
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.” Søren Kierkegaard
https://www.flickr.com/photos/paulemans/ - My Flickr


Posted By: anthills
Date Posted: 23 October 2022 at 13:13
I’m a mirror lens lover, new to the forum. Very nice examples here of what these lenses can do.

This may not be the right forum to discuss, so I would appreciate any redirection to a better thread/forum, but I’m having issues with getting the MonsterAdapter autofocus adapters to work well. I have a Sony a7r3 and two copies of the LA-EA4, one of which I modified with the MonsterAdapter replacement circuit board and removing the semitranslucent mirror. This should enable focusing by more than just the single central point. However, I found that the result with the Minolta AF 500 is just sporadic hunting and lurching, and verrrrrry slow intermittent focus twitches, before it apparently gives up never having found focus. Or it turns the focus confirmation square green when it’s not in focus.

I recently got the LA-VE2 and I’m seeing similar behavior using the Vectis 400.

I have more than one copy of each of these lenses, and I can try different copies, but given that my AF 500’s all work fine with the unmodified Sony adapter, I am suspicious of the camera or its settings. I bought the camera used and don’t know what the prior owner might have tweaked in the settings. I’m not expert in the Sony system, primarily using other systems and mechanical film cameras.

Off-forum, someone suggested trying continuous AF, which I will do when it’s daylight. It’s just early morning right now where I live. Meanwhile, though, I thought it would be worth posting here in case someone has suggestions, as well as to post the problem and solution publicly for anyone else trying to search the web for answers, which I will hopefully find.


Posted By: woodrim
Date Posted: 23 October 2022 at 15:51
I know someone with the exact same problem. I told him to come here for advice


-------------
Regards,

woodrim


Posted By: anthills
Date Posted: 24 October 2022 at 16:20
Both of my MonsterAdapter adapters are behaving better after Settings -> Reset -> Initialize. I have no idea what the problem was; I never found any focus-related settings that seemed to be changed from defaults. But something surely was.

Now both the Vectis 400 on the MonsterAdapter LA-VE2, and the Minolta 500 on the Sony LA-EA4 with MonsterAdapter circuit board and sans translucent mirror, are focusing with reasonable speed and accuracy. I have Focus Area set to Center, and they are working well in both AF-C and AF-S focus mode. (Neither is as fast or accurate as a modern lens, but they’re both faster than I usually manage to focus manually.)   Hooray! I wonder if there’s a Great Blue Heron at the local pond. Or perhaps some Red-Bellied Woodpeckers in the forest.


Posted By: anthills
Date Posted: 24 October 2022 at 18:44
I had a nice walk with the Vectis 400. I took along the Minolta 500 as well but didn't use it this time. No herons, but a lovely red-tailed hawk, and a crow with fall foliage donuts in the background. I haven't figured out how to post images here yet, so no image to share for now.

The LA-VE2 adapter puts some information into the EXIF, but for some odd reason, some of it is inconsistent. The focal length is recorded in a multiple places, as is the f-stop (400mm, 405mm, f8, f8.3). In some programs, the lens is listed as "Sony 400-4mm f8.3" for example. I did some archaeology and found that in the photo processing programs I use, the Sony::LensSpec is given priority over the usual EXIF::LensInfo, and that's where that odd-looking zoom specification with 4mm comes from. It's apparently similar to EXIF::LensInfo, according to the exiftool documentation, but it isn't really specified. Apparently you can set a flag in it to denote a reflex lens, and perhaps you can specify Minolta as the maker instead of Sony. I'll fiddle with it more later and see what I find out, but for right now, I saved a preset in MetaImage, my favorite graphical front-end for exiftool, to overwrite the values as follows. This is only something I do with JPGs, I don't dare mess with raw files since I corrupted some.

Exif Lens Info: 400 400 8 8
Exif F Number: 8
Exif Lens Make: Minolta
Exif Lens Model: Minolta Vectis 400/8 [this is free-text]
Exif Focal Length: 400
Exif Focal Length in 35mm Format: 400
Sony Lens Spec: 00 400 0 8 0 00



Posted By: woodrim
Date Posted: 24 October 2022 at 22:26
Welcome, anthills, I'm glad to hear that you have solved the AF problem. I'm also happy to see you here at Dyxum. I think you have a lot to offer and much to gain from the very talented and knowledgeable people here.

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Regards,

woodrim


Posted By: darosa
Date Posted: 25 October 2022 at 23:07
Originally posted by anthills anthills wrote:



The LA-VE2 adapter puts some information into the EXIF, but for some odd reason, some of it is inconsistent. The focal length is recorded in a multiple places, as is the f-stop (400mm, 405mm, f8, f8.3). In some programs, the lens is listed as "Sony 400-4mm f8.3" for example.



Very strange indeed! The more so as the lens specification of other Vectis lenses is correct.

And: welcome to Dyxum!


Posted By: darosa
Date Posted: 25 October 2022 at 23:11
Here are my first test shots with Vectis 400:

1 Trying to catch donuts
https://flic.kr/p/2nUmeks">

2 The cemetery gate
https://flic.kr/p/2nUYfWi">

3 Golden memories
https://flic.kr/p/2nUMpKV">

4 Break the chains, and walk in freedom!
https://flic.kr/p/2nU9PLT">

all with a7riv + Minolta V Reflex Lens 400mm 1:8 (1997; Vectis, APS; LA-VE2)

All manual focus, just to be sure. Amazingly sharp!


Posted By: mariuszlo
Date Posted: 26 October 2022 at 00:59
Originally posted by darosa darosa wrote:


All manual focus, just to be sure. Amazingly sharp!


Better than Minolta Reflex 500mm?

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Sony A99II with Sony, Minolta, Sigma, Tamron A lenses, Sony A7R with Minolta MD lenses, Sony A6400 with Sony E lenses.


Posted By: woodrim
Date Posted: 26 October 2022 at 01:52
Originally posted by mariuszlo mariuszlo wrote:

Originally posted by darosa darosa wrote:


All manual focus, just to be sure. Amazingly sharp!


Better than Minolta Reflex 500mm?


Although better needs to be defined, in my opinion, yes. Very close to the 250mm except for the slight vignetting.

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Regards,

woodrim


Posted By: darosa
Date Posted: 26 October 2022 at 08:58
Originally posted by woodrim woodrim wrote:

Originally posted by mariuszlo mariuszlo wrote:

Originally posted by darosa darosa wrote:


All manual focus, just to be sure. Amazingly sharp!


Better than Minolta Reflex 500mm?


Although better needs to be defined, in my opinion, yes. Very close to the 250mm except for the slight vignetting.


+ 1


Posted By: neilt3
Date Posted: 26 October 2022 at 10:09
Originally posted by anthills anthills wrote:

Both of my MonsterAdapter adapters are behaving better after Settings -> Reset -> Initialize. I have no idea what the problem was; I never found any focus-related settings that seemed to be changed from defaults. But something surely was.

.


That might solve the issues I'm having with mine in the a7Riv.
When you do the reset , does it clear all the settings on the camera back to factory default ?
ie what the custom key settings for etc .

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see my photostream on flickr;
https://www.flickr.com/photos/neilt3/sets/ - http://www.flickr.com/photos/neilt3/
C & C welcome.


Posted By: anthills
Date Posted: 26 October 2022 at 12:18
There’s a reset, which just resets some preferences to defaults, and initialize, which seems to be a thorough wipe. I did the latter.

Meanwhile I’ve done some more shooting. I have multiple copies of the Vectis 400 and I’m having sporadic performance issues with the LA-VE2. It seems better than prior to the reinitialize but still not great. Sometimes it stalls and won’t respond for a while; sometimes it hunts and gives up.

I also have one copy of the Vectis 400 that it won’t operate; the camera screen shows an image briefly as the camera turns on, but then the display washes out to white, and along the bottom, it blinks “F90 ±0.0” as if an F/90 lens is attached. The camera will then not release the shutter in any mode, even M. This copy of the lens has no damage or problems that I can see, e.g. the contacts look fine. I have a Vectis S-1 camera and it operates this copy of the lens without problems. In fact, testing the lens on the Vectis S-1 camera gave me some perspective on AF performance relative to the LA-VE2 adapter: the old camera is actually better at focusing the lens than the LA-VE2 is. It frequently hunts but never fails to respond and always locks onto focus after hunting.

I tried contrast-detect autofocus on my Sony a7r3 with the LA-VE2. That didn’t work at all! Phase-detect is the only thing that is working for me. I have tried Center and Flexible Spot. On some of my other cameras I can shrink the focus zone to a single point dead-center, but I haven’t figured out how to do that on this Sony; is it possible? All I can seem to do is shrink it to a zone that seems to be a grid of about 4x4 or 5x5 focus-detection points.

As far as optical quality of the lenses, I have done some quasi-objective testing under somewhat controlled conditions. I have one copy of the Vectis 400 that is exceptionally sharp and contrasty despite actually having some light dust and even a barely visible fringe of haze around the perimeter of the primary mirror. My other copies that look cleaner and more pristine are very close, optically. One of them was ghastly-bad until I noticed that there was a UV protection filter installed between the front of the lens and the short screw-on hood, which I’d previously failed to notice. Removing that made a huge difference. These lenses are very revealing of anything messing with their optics.

Away from the bench, I have gotten exceptionally sharp and contrasty photos from the Vectis 400 in real-world usage. If you have a good copy, as far as I am concerned it demonstrates that mirror lenses are not inherently limited to subpar performance, even on high-resolution modern sensors. And from what I’ve seen, copy variance is low; I think these were built to a very high standard. I have a lot of mirror lenses and finding good copies of most of them has involved a lottery, but not so with the latter-day Minoltas.


Posted By: neilt3
Date Posted: 26 October 2022 at 13:14
Thanks . I'll try the reset when I get home .
I've three of the Minolta 400mm's plus the Minolta 500mm reflex . But apart from the 400mm misbehaving ( I've not tried the two spares ) the 17mm is a bit erratic and the 25-150mm really isn't happy !
I'll try the reset first , then I'll try my extra copies.
Used on the original adapter from 2015 , ally lenses were giving sharp results manually focused on the NEX 7.

-------------
see my photostream on flickr;
https://www.flickr.com/photos/neilt3/sets/ - http://www.flickr.com/photos/neilt3/
C & C welcome.


Posted By: anthills
Date Posted: 26 October 2022 at 14:10
I found an answer to my question about shrinking the focus spot. When I use the Fn menu to select the Focus Area, when scrolled to Flexible Spot, I can use the right/left arrows to choose L, M, or S. The S spot is pretty close to the "single point" I was looking for. It's rainy out right now so I will have to test the Vectis 400 later and see if using a very small focus area helps with the LA-VE2.


Posted By: darosa
Date Posted: 26 October 2022 at 15:15
My 25-150 is very unhappy too, it has the F90-washed-out-white-display syndrome. Just ordered another one, new old stock in box; hope that's happy to see some action at last. They're still cheap.


Posted By: woodrim
Date Posted: 26 October 2022 at 16:02
Hmmm, I don't recall having that problem but had only done a brief test of the lens after receiving it. I'll give it another try.

I suggest you share with the Monster people all these issues you find. I expect that the adapters will have updates to the firmware like the LA-EA4 conversion did. It may also be possible to learn from them what AF settings they used for their testing. I suspect a great deal of the difficulty is related to those settings.

When I was testing my prototype LA-VE2, I made changes to my AF settings after having trouble. At this time I don't recall exactly what I did and I don't know much about using AF anyway. I also had two friends try the adapter on their A7rIV cameras; one worked well and the other had challenges. It was settings related.





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Regards,

woodrim


Posted By: woodrim
Date Posted: 26 October 2022 at 16:11
ILCE-7M2 with Vectis 8/400 and LA-VE2 at or near MFD.



-------------
Regards,

woodrim


Posted By: woodrim
Date Posted: 26 October 2022 at 16:40
BTW, ALWAYS power the camera off when mounting or removing the Vectis adapter.

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Regards,

woodrim



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