do FED 1 and FED 2 share lenses?

mnmleung said:
Apologies for a very basic question: does FED 1 and FED 2 share the same lenses? ie if i have a lens with FED 1, will I be able to use it on FED 2 ?

Thanks from Ming
The lenses (leica thread mount or M39) are interchangeable. The prewar Fed-1 was not standard LTM but will fit but the registration must be set for modern bodies - this non-standard condition ended in the late 1940s and you can assume any Fed (I-10) 50/3.5 lens that is coated and has the smallest aperature as f16 will work. As with many FSU lens collimation may still be off but that is a QC issue.
 
Beside the proper lens distance registration is another issue:

The collapsible Fed 3,5/50 lens made for the Fed-1 will not correctly fit the Fed-2. There is a problem locking the lens at infinity, the infinity lock touches the body around the lens mount. For the same reason it can't be mounted on the Zorki 4. Maybe some early Fed 2's will fit the Fed-1 lens, but my Fed lens won't fit the Fed 2.

I have a post war model Fed now from '51 and its uncoated lens will not fit my other Fed 1 made in '54. The infinity lever stops at another point, when mounting the lens the infinity lock stops between the rangefinder windows making it impossible to use. The new Fed lenses however can be used with the infinity lock down on the early models.

Early 'uncoated' Fed-1 lens: will not fit the late Fed and other models.
Later 'coated' Fed-1 lens: will fit the Fed-1 and Zorki-1 models, but not on the Fed-2 or Zorki 3/4/5/6 models.
 
The Fed 1 I bought had what the seller said was a 'soft' focus that he liked for portraits.
Since I like portraits I thought that was something subtle.
It turned out that at 2m it was focused on infinity and required 1.6mm spacing to get it right.
There was just enough thread on the mount to take the spacer. Now, it is fine, but I cannot see how he ever used the camera as it was. The lens must have surely come from a different camera and was never matched to the body as originally intended.
Now it is one of my favourites.
Murray Kelly
 
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