Archived posting to the Leica Users Group, 2009/10/07

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Subject: [Leica] Zeiss Normal 50mm f/2 Planar T* ZM
From: at (Douglas Sharp)
Date: Wed, 07 Oct 2009 23:22:42 +0200
References: <>

The early Yashicas like the Electro-X had a M42 (Pentax thread mount) 
the later lenses built for Contax (C) and Yashica (Y) = CY or C/Y were 
the only Yashica bayonet mount lenses until Yashica introduced their AF 
cameras with a special bayonet (that were not particularly successful).

Of course the lenses built in the cooperation period were perfectly 
interchangeable between Contax and Yashica bodies, although shutter 
priority and program exposure was only available with later Contax SLRs 
in combination with MM lenses. The MM lenses also functioned perfectly 
on the, rather simpler, Yashica bodies with fewer exposure modes - AFAIK 
Yashica did not ever build a body with MM capability.


Mark Rabiner wrote:
>> Gene,
>> I did have one problem in that respect, the front end dropped out of my
>> Planar 1.7/50. 
>> The M42 Yashica lenses I still have actually seem to be of better build
>> quality that those with CY mount.
>> Cheers
>> Douglas
> CY mount?
> You could put a "Contax" lens on a Yashica or a  Yashica lens on a Contax
> body.
> Mark William Rabiner
> _______________________________________________
> Leica Users Group.
> See for more information

In reply to: Message from mark at (Mark Rabiner) ([Leica] Zeiss Normal 50mm f/2 Planar T* ZM)