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Samples: Minolta Vectis 50mm f/3.5 Macro

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    Posted: 17 November 2021 at 22:19
Samples: Minolta Vectis 50mm f/3.5 Macro

mount: Minolta Vectis V
format: APS-H film
year: 1996
max aperture: f/3.5
min aperture: f/32
elements/group: 5/5
aperture blades: 7
min focus distance (mm): 23cm / 0.8'
filter diameter (mm): 46mm
length (mm): 70mm
weight (g): 140

additional information:
Macro lens, magnifies to half life size (1:2)

Made for the Minolta Vectis S-1 and S-100 APS film SLR's and the Minolta DiMage RD-3000 DSLR it compares to 63mm in 35 mm format
Being an all electronic lens both for aperture control and focus ( even manual focus is focus by wire ) it is only fully compatible with those three cameras .

The only way of using the Vectis lenses on modern digital cameras is via the Monster adapter . It supplies power to focus manually , but does not support auto focus .
It does also allow you to control the aperture via the camera .
Although the adapter reports itself as a 24-70mm lens , the correct and current focal length is reported to image stabilisation works correctly on applicable bodies , in this case 51mm .



This thread is open for C&C and for posting additional pictures. Please ONLY post pictures taken with the lens in the title- or start a new thread.
Please state camera, version of the lens and adapter in your post!

Edited by Micholand - 18 November 2021 at 18:54
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Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 17 November 2021 at 22:45
A walk around Manor Park , Derbyshire doing some test shots with my Minolta Vectis lenses on the Sony a7Riv via the Monster adapter.

All images are full resolution and un-cropped .
As can be seen there is some vignetting as these lenses are designed for their APS-H film cameras , not 135 full frame .
This lens seems to cover the full frame sensor well with no apparent vignetting or image degradation in the corners .
All images hand held .


1 ; f/8 , 1/60" , ISO 3200

Minolta Vectis 50mm f/3.5 Macro
by Neil , on Flickr

2 ; f/8 , 1/60" , ISO 3200

Minolta Vectis 50mm f/3.5 Macro
by Neil , on Flickr

3 ; f/3.5 , 1/90" , ISO 100

Minolta Vectis 50mm f/3.5 Macro
by Neil
, on Flickr

4 ; f/5.6 , 1/60" , ISO 125


Minolta Vectis 50mm f/3.5 Macro
by Neil , on Flickr

5 ; f/8 , 1/60" , ISO 250

Minolta Vectis 50mm f/3.5 Macro
by Neil , on Flickr

6 ; f/3.5 , 1/125" , ISO 100

Minolta Vectis 50mm f/3.5 Macro
by Neil , on Flickr
see my photostream on flickr;
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Post Options Post Options   Quote XKAES Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 12:52
Very nice shots and super quality, but Minolta's 50mm f3.5 macro lens was great from the beginning. Minolta made six versions of the lens, but the optical design was always the same.

http://www.subclub.org/minman/50macro.htm

I've got to assume that the Vectis macro is very similar optically.

I'm glad you overcame the roadblocks with the Vectis macro, but for anyone else interested in great macro gear, it's pretty easy to find a Minolta Celtic MC 50mm f3.5 with the 1:1 extension tube for around $25.

Happy shooting!
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 13:26
Originally posted by XKAES XKAES wrote:

Very nice shots and super quality, but Minolta's 50mm f3.5 macro lens was great from the beginning. Minolta made six versions of the lens, but the optical design was always the same.

http://www.subclub.org/minman/50macro.htm

I've got to assume that the Vectis macro is very similar optically.

I'm glad you overcame the roadblocks with the Vectis macro, but for anyone else interested in great macro gear, it's pretty easy to find a Minolta Celtic MC 50mm f3.5 with the 1:1 extension tube for around $25.

Happy shooting!

The SR mount versions may have been all the same, but the AF version of the 50mm F3.5 used a completely different optical formula with only 5 lens elements. I am not sure about the Vectis. There was only a single version of the 50mm F3.5 for A-mount. It was styled like the New version of the AF 50mm F2.8.

I had an MD Rokkor and the AF at the same time, and they didn't perform similarly. Many of the AF lenses have completely different designs from earlier SR versions even those with the same number of elements and groups.

Edited by QuietOC - 18 November 2021 at 17:49
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Post Options Post Options   Quote XKAES Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 13:54
Minolta made four versions of the 50mm f3.5 macro for the MAXXUM cameras, and Sony made an f2.8 version. I am unaware of the optical designs of any of these, and how and if they different from the Rokkor f3.5 model.
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Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 14:00
Originally posted by XKAES XKAES wrote:

Minolta made four versions of the 50mm f3.5 macro for the MAXXUM cameras, and Sony made an f2.8 version. I am unaware of the optical designs of any of these, and how and if they different from the Rokkor f3.5 model.


Thanks for commenting .
Regards Minolta AF macro lenses , AFAIK only two f/3.5 macros were made .
One in A mount that I have , and this one on V mount .
I haven't compared the two yet .
Both magnify to half life size .
They made several f/2.8 macros in A mount , which Sony continued , all of which went to 1:1 ( life size ).
As they did with the 100mm macros .

I have a Minolta 50mm f/2.8 macro ( the RS one ) , and my 100mm macro is the Sony version that I bought off a fellow Dyxum member .

And several SR mount lenses were made in the different styles .
I have one of those too , but I couldn't tell you what the optical formulas were from any off them .

Cheers .

Edited by neilt3 - 18 November 2021 at 14:03
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Post Options Post Options   Quote XKAES Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 14:26
Thanks for the correction.

Minolta made four versions of the 50mm macro for the MAXXUM cameras --

TWO were f3.5 -- one of these was a D lens

TWO were f2.8

and Sony made an f2.8 version.

I am unaware of the optical designs of any of these, and how and if the f3.5 versions different from the Rokkor f3.5 model.

http://support.d-imaging.sony.co.jp/www/cscs/lens_body/index.php?mdl=DSLR-A900&area=eu&lang=en

And, of course, Minolta made a V-mount 50mm macro as well.

I know what the optical formula for the Rokkor and Celtic 50mm f3.5 is. I have not explored the Maxxum and Sony designs. I would be surprised if Minolta changed the design of their 50mm f3.5 from the Rokkor to the Maxxum models. They kept the designs of most of the Rokkor and Maxxum lenses the same.
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Post Options Post Options   Quote XKAES Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 14:43
Here is the design for the Rokkor and Celtic 50mm f3.5 macro lenses:

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Post Options Post Options   Quote Micholand Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 18:56
The above shown design of the Minolta Rokkor and Celtic 50mm F3.5 macro lenses has nothing to do with this Vectis 50mm macro lens

While the various styled 50mm macro versions (incl. the 50mm macro bellows) for the SR mount are based on the same 6 elements in 4 groups, the A-mount macro 50mm F2.8 versions have 7 elements in 6 groups instead.

The only exception is the Minolta AF 50/3.5 Macro which is based on a design with 5 elements in 5 groups. So there might be a high likelihood that the Vectis uses the same optical design, especially since the other specs (min. focus, max. magnification, min/max F-stop, ...) look similar, too
/Michael

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Post Options Post Options   Quote XKAES Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 19:17
Thanks for this info. I would expect an f2.8 lens to have more elements than an f3.5 lens because it has to try to correct for more aberrations from the larger aperture. That's true for any focal length, but it does not mean that it produces better results.

It does make me wonder about the Minolta DYXUM 50mm f3.5 macro with the 5/5 design as opposed to the earlier manual-focus 6/4 models.

At the end of the Minolta manual-focus era -- when Minolta dropped the Rokkor label -- some lenses had similar changes to their optical formulas. Take the 28mm f2.8, for example. Minolta made eight versions of the f2.8 model and all were 7/7 design -- except the last which was a 5/5 design. It was possibly out-sourced (Cosina?) and the difference might be noticeable in the results.

Edited by XKAES - 18 November 2021 at 19:30
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Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 20:26
Originally posted by XKAES XKAES wrote:

Thanks for the correction.

Minolta made four versions of the 50mm macro for the MAXXUM cameras --

TWO were f3.5 -- one of these was a D lens

TWO were f2.8

and Sony made an f2.8 version.

.


Sorry , that's not correct .
Yes Minolta did make four 50mm Macro lenses for the Maxxum/Dynax/Alpha A-Mount cameras , but these are as follows .

The first one they did in 1985 was the Minolta-AF-50mm-F2.8-Macro

The second one they did in 1993 was the Minolta-AF-50mm-F2.8-Macro-RS , RS meaning Re-Styled . never Minoltas official designation , but typically referred to as that for clarity .

The third one they did in 1995 was the only A mount 50mm f/3.5 macro , as seen here ;
Minolta-AF-50mm-F3.5-Macro
Unlike the f/2.8 versions , this only goes to half life size reproduction ratio .

The last Minolta 50mm macro came out in 2001 , that was a "D" type lens with an f/2.8 aperture and a reproduction ratio of 1:1 , like all the other Minolta A mount f/2.8 macro lenses . Minolta-AF-50mm-F2.8-Macro-D

This is the lens that Sony re-badge as their own in 2006 , just changing the cosmetics , seen here ; Sony-AF-50mm-F2.8-Macro

The Vectis lens not being compatible with A-mount cameras is not included here .


So of the four Minolta A-mount 50MM macros , three were f/2.8 , including the "D" , four if you include the Sony .
All giving a magnification of life size 1:1 .

And just one f/3.5 giving a magnification of half life size , 1:2 .
It's possible that the Vectis one shares this optical formula .

Edited by neilt3 - 18 November 2021 at 20:53
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Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 20:32
Originally posted by Micholand Micholand wrote:



The only exception is the Minolta AF 50/3.5 Macro which is based on a design with 5 elements in 5 groups. So there might be a high likelihood that the Vectis uses the same optical design, especially since the other specs (min. focus, max. magnification, min/max F-stop, ...) look similar, too


I cannot tell you the optical formula of the Vectis macro lens , but holding the A-Mount 50mm f/3.5 side by side with the Vectis 50mm f/3.5 macro I can tell you that both the front and rear elements appear to be the same , and they appear to be the same distance apart .
Both seem to have the same coverage , and produce images that look the same .

Whilst I'm not going to cut either of my lenses in half to compare or dismantle them to count the bits (!) they do appear to be the same lens optically .
Just the bodies , and focussing units being different .

see my photostream on flickr;
http://www.flickr.com/photos/neilt3/
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Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 20:44
This is probably one of the first images I took with this lens on a DSLR .
Not adapted , but native on the Minolta DiMage RD-3000 .
F/11 , 1/125" , with a bit of wireless flash , the main flash held below the glass , and the control flash on the camera contributing .

I'm about to pour another glass of this now .

southern comfort
by Neil , on Flickr
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Post Options Post Options   Quote XKAES Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 21:26
For some reason -- probably too much Southern Comfort -- I thought the 50mm D macro was an f3.5.

Anyway, if someone has the Minolta 50mm f3.5 AF -- that only gets to 1:2 -- they can easily get to 1:1 with the addition of a 25mm extension tube, or bellows.

All of the earlier manual-focus Minolta 50mm macros -- even the less-expensive Celtic version -- came with a 25mm extension tube.

And so did the Minolta Rokkor 100mm f3.5 & f4.0 macros -- although they were longer:

http://www.subclub.org/minman/100macro.htm

My macro lenses are both manual-focus lenses -- a Vivitar (Komine) 55mm f2.8 and a Vivitar Series 1 (Kiron) 100mm f2.5 -- not just because of the great results but because they focus to 1:1 without an extension tube.

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