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Mamiya Auto Sekor 55mm f1.4
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PostPosted: Thu Mar 20, 2014 5:26 am    Post subject: Reply with quote
Razz come on you guys Embarassed
I actually like those grass shots,the light captured is lovely as well.


PostPosted: Wed Jul 09, 2014 6:08 am    Post subject: Reply with quote
Has anyone removed the rear part of this lens?

I'm interested in grinding the rear portion of metal, so it goes deeper, so it can be used on Nikon with infinity focus via M42 adapter.


PostPosted: Wed Jul 09, 2014 9:58 am    Post subject: Reply with quote
CuriousOne wrote:
Has anyone removed the rear part of this lens?

I'm interested in grinding the rear portion of metal, so it goes deeper, so it can be used on Nikon with infinity focus via M42 adapter.

You'll have to change optical properties for this to work. Moving rear system towards front one. And similar distortions as here could be expected: http://forum.mflenses.com/canon-fd-s-c-1-8-50mm-on-5dmkii-and-crazy-center-swirl-t41431.html


PostPosted: Wed Jul 09, 2014 7:35 pm    Post subject: Reply with quote
Well, I've checked right now, and it appears to be designed by same people who did Chinon 55/1.7, so it will not be hard to adapt it (when you have access to lathe), just the auto/manual aperture switch and pin will be gone, but they aren't used nowadays.
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