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02-08-2013, 12:33 AM   #1
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Join Date: Jul 2011
Location: Tokyo
Posts: 115
Pentax k mount lens adapter for leica R3/R4

i want to mount my FA 43mm lens on a leica R3/R4 body. is there any adapters available.i know there are for leica R lenses to be mounted on Pentax bodies but i couldn't find one for other way around (pentax lenses to be mounted on leica R)

02-08-2013, 01:25 AM   #2

Join Date: Nov 2011
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Posts: 3,735
The K-mount registration distance is 45.46mm,
while the Leica R distance is 47mm.

So with a K-mount lens on the R,
you'd either lose the ability to focus at long distances,
or you'd need an adapter with internal optics
that would degrade the image.

AFAIK, the only way to have an FA 43 on a Leica
is to mount the Leica M version of the lens on a rangefinder body.

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