VIII
Newbie
Hello everybody, does anybody know how can i mount Rodagon or Componon 50mm in Focomat IIc? I heard that there are some problems with this operation but i dont know exactly - both rodagon and focotar are M39 so whats the deal?
How to mount 50mm Rodagon in Focomat IIc?
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Tom A
RFF Sponsor
There are two problems with mounting a non IIc lens in a IIc. The first one is the back-focus. The lens can not be inserted deep enough to focus properly. You would have to machine of part of the inside of the mount.
Second would be that you would default the auto-focus mechanism - not a big deal as you can manually focus (if you got the back focus problem licked!).
I did adapt a 60mm Apo lens to a IIc some years ago, but it did have a longer back focus. Cant remember the brand of lens anymore - probably a Apo- Rodagon.
I have a IIc and I am thinking of adapting a 63mm f2.8 EL-Nikkor to it. I haven't started the project yet - and at the moment it is too hot in my darkroom (flat, dark roof and a heatwave!!).
Second would be that you would default the auto-focus mechanism - not a big deal as you can manually focus (if you got the back focus problem licked!).
I did adapt a 60mm Apo lens to a IIc some years ago, but it did have a longer back focus. Cant remember the brand of lens anymore - probably a Apo- Rodagon.
I have a IIc and I am thinking of adapting a 63mm f2.8 EL-Nikkor to it. I haven't started the project yet - and at the moment it is too hot in my darkroom (flat, dark roof and a heatwave!!).
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