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Day Prime 2021

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Fred_S View Drop Down
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Post Options Post Options   Quote Fred_S Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2021 at 20:01
Originally posted by Snegren Snegren wrote:

Originally posted by Fred_S Fred_S wrote:



FS-75.1 A new surgery project


I wish you well Fred. I have battled with this 47 and got it to work, including aperture adjustment. And then I cleaned up my job and improved the lens mount and somehow got the aperture stuck open. Such a pity because this is very good lens. So I got another copy (very cheap), removed the lens to find the shutter failed shut. And now I have to get into the bowels of the lens to see if I can fix it....

Thanks for the warning Paul! I won't try to put the surgery in a short time slot.
Any tips for my new Penti - Trioplan 3.5/30m project too ?
 



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darosa View Drop Down
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Post Options Post Options   Quote darosa Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2021 at 22:38
Originally posted by Macca Macca wrote:


A7iii and kmz po2-2m 75mm f/2 from Konvas cine camera.All at f2.


Interesting lens Chris! Would like to see more of it (some day).

Originally posted by pegelli pegelli wrote:


80-2: The arrow bridge


Nothing humble about this shot Pieter. Great reflection and compo!

Originally posted by mariuszlo mariuszlo wrote:


Trees and shadows


Great POV to show those beautiful shadows!
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Post Options Post Options   Quote darosa Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2021 at 22:46
Originally posted by Fred_S Fred_S wrote:


Any tips for my new Penti - Trioplan 3.5/30m project


You're getting quite a nice collection of DIY lenses Fred!

This is what I found out the hard way :


Operation Penti: the wrong way to release the lens ...
When trying to unfix a lens there are basically 2 approaches: through the back door or through the front door. The problem with the Penti is that it is a screwless design; pretty but problematic when you want to take it apart. The back and the front are similar (apart from the lens of course); the back comes off easily (but no way of getting to the lens that way), and I thought maybe the front would come off easily too with a little force. Not so. I had to literally rip it apart and worst of all this didn't bring me any closer to unfixing the lens.

I hate destroying cameras like this but this Penti had a shutter that didn't work so if I could give the lens a new life on digital that would be a good thing.

The right way to unfix the lens turned out to be leaving the body alone and concentrate on the lens itself. It has very tiny screws and very very tiny screws; unscrew them all and you can take the lens out.


For more information see my album.

Hope this helps!
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Post Options Post Options   Quote darosa Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2021 at 22:49
My Day 75, part 2:

1 A place in the sun


2 Green


3 For sale
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Post Options Post Options   Quote darosa Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2021 at 22:51
4 Earth to earth, ashes to ashes, dust to dust


5 Paradise by the Dashboard Light


6 Clear as mud


7 Dead row


all with a7rii + Meyer Trioplan 1:2.9 f = 7,5cm (1938; Exakta VP)
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Post Options Post Options   Quote Macca Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2021 at 23:14
Originally posted by darosa darosa wrote:

[QUOTE=Macca]
A7iii and kmz po2-2m 75mm f/2 from Konvas cine camera.All at f2.


Interesting lens Chris! Would like to see more of it (some day).

[QUOTE]Thanks Leo, yes it's one of my favourite MF lenses I think. Sharp centre, interesting bokeh and some classic Soviet cine style colours.It was for pro level Soviet 35mm cine work covering 16mm by 22mm I'll use it in a challenge I think to get more time with it. Slightly awkward in use but no worse than plenty others we try! I think I have the rarer 1949-51 version according to some Russian camera sites, though it's hard to tell with some hyperbole around.
 



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Post Options Post Options   Quote darosa Quote  Post ReplyReply Direct Link To This Post Posted: 21 March 2021 at 23:28
35mm sounds good for decent sensor coverage, and I think that lens ticks all the right boxes!
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Post Options Post Options   Quote Snegren Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2021 at 13:01
Originally posted by Fred_S Fred_S wrote:

Originally posted by Snegren Snegren wrote:

Originally posted by Fred_S Fred_S wrote:



FS-75.1 A new surgery project


I wish you well Fred. I have battled with this 47 and got it to work, including aperture adjustment. And then I cleaned up my job and improved the lens mount and somehow got the aperture stuck open. Such a pity because this is very good lens. So I got another copy (very cheap), removed the lens to find the shutter failed shut. And now I have to get into the bowels of the lens to see if I can fix it....

Thanks for the warning Paul! I won't try to put the surgery in a short time slot.
Any tips for my new Penti - Trioplan 3.5/30m project too ?


I have done a Domiplan 3.5/30 from a Penti II. After complete destruction of the camera body I realized my approach was wrong and took the route recommended by Leo. I have wondered since if it is worth doing the same to a Penti I, as the Domiplan is a "modernized" Trioplan.
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Post Options Post Options   Quote Micholand Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2021 at 19:06
And to conclude my 'Day 75':


75.7 - "Wooden red lantern"

a7 + Leica APO-Summicron-M 75/2




75.8 - "Japanese garden @Westpark, Munich"

a7 + Leica APO-Summicron-M 75/2




75.9 - "Thai-Sala @Westpark, Munich"

a7 + Leica APO-Summicron-M 75/2
/Michael

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Fred_S View Drop Down
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Post Options Post Options   Quote Fred_S Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2021 at 20:50
Originally posted by darosa darosa wrote:

Originally posted by Fred_S Fred_S wrote:


Any tips for my new Penti - Trioplan 3.5/30m project


You're getting quite a nice collection of DIY lenses Fred!

Indeed, I think it's a nice new approach to expand my journey in photogtraphy.
I must confess I peeked a bit in your's and Paul's collection for nice lenses and managed to find a few low cost opportunities. If I fail with the surgery, not much is lost.


Originally posted by darosa darosa wrote:


This is what I found out the hard way :


Operation Penti: the wrong way to release the lens ...
When trying to unfix a lens there are basically 2 approaches: through the back door or through the front door. The problem with the Penti is that it is a screwless design; pretty but problematic when you want to take it apart. The back and the front are similar (apart from the lens of course); the back comes off easily (but no way of getting to the lens that way), and I thought maybe the front would come off easily too with a little force. Not so. I had to literally rip it apart and worst of all this didn't bring me any closer to unfixing the lens.

I hate destroying cameras like this but this Penti had a shutter that didn't work so if I could give the lens a new life on digital that would be a good thing.

The right way to unfix the lens turned out to be leaving the body alone and concentrate on the lens itself. It has very tiny screws and very very tiny screws; unscrew them all and you can take the lens out.


For more information see my album.
Hope this helps!


That helps a lot Leo! Many thanks
I have located the tiny screws in the lens to go via the fornt door
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Post Options Post Options   Quote Fred_S Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2021 at 20:54
Originally posted by Snegren Snegren wrote:


Thanks for the warning Paul! I won't try to put the surgery in a short time slot.
Any tips for my new Penti - Trioplan 3.5/30m project too ?


I have done a Domiplan 3.5/30 from a Penti II. After complete destruction of the camera body I realized my approach was wrong and took the route recommended by Leo. I have wondered since if it is worth doing the same to a Penti I, as the Domiplan is a "modernized" Trioplan.[/QUOTE]

I'll give it a go with the help from Leo and youself.
Bought mine as 'defect' for pocket money, but after opening the back, the 'stuck shutter problem' was solved after a little help to get it moving again.
Nevertheless I will go one with my project.

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Post Options Post Options   Quote Fred_S Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2021 at 21:14
Enough talk! (and drifting away from the subject of this thread )
Time for some pictures.

Here my first contribution for this week. Shot with the Will Wetzlar Maginon 2.8/85mm projectionlens on A7R2

FS-85.1 Before the surgery



FS-85.2 The back


FS-85.3 Easter underway




Edited by Fred_S - 22 March 2021 at 21:26
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Post Options Post Options   Quote Snegren Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2021 at 21:45
85.1: Swing

Camera Model: ILCE-7RM2
Feinmess Dresden Pronar 2.8/85 V (projection lens)
Exposure Time: 0.006 sec (1/160)
ISO: 100

85.2: Sea of green

Camera Model: ILCE-7RM2
Feinmess Dresden Pronar 2.8/85 V (projection lens)
Exposure Time: 0.008 sec (1/125)
ISO: 100

85.3: Daffodils

Camera Model: ILCE-7RM2
Feinmess Dresden Pronar 2.8/85 V (projection lens)
Exposure Time: 0.013 sec (1/80)
ISO: 100

85.4: Spring

Camera Model: ILCE-7RM2
Feinmess Dresden Pronar 2.8/85 V (projection lens)
Exposure Time: 0.004 sec (1/250)
ISO: 100

85.5: Bench

Camera Model: ILCE-7RM2
Feinmess Dresden Pronar 2.8/85 V (projection lens)
Exposure Time: 0.01 sec (1/100)
ISO: 100
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Post Options Post Options   Quote RichardT Quote  Post ReplyReply Direct Link To This Post Posted: 22 March 2021 at 21:47
Hi
Just a few from a poor week - family commitments & mainly dull grey days limited my options !
All taken with the A7m2 with a K mount Pentax 75-150 manual lens, no record of apertures I'm afraid, but a nice little lens and quite sharp, decent bokeh in the first shot I thought.
#1 If it's Spring we must have Camelia's !
Day 75 small by qwerkypics, on Flickr[/IMG]
#2 Minimalist
Day 75 small_2 by qwerkypics, on Flickr
Sorry another 'lake' shot but we're not supposed to be travelling around
#3 Who nicked the tap ?
Day 75 small_3 by qwerkypics, on Flickr
(Nicked = stole)
#4 Waterfront
Day 75 small_4 by qwerkypics, on Flickr
So, nothing startling,I tried but a bit shabby compared with a terrific collection this week, well done guys !
Looking forward to the 85's !
All the best
Richard T
So many wines, so little time......
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