It sounds like the adapter is a little too short - the rear elements are too
close to the sensor at inf.
This would be a very small amount of over-machining.
Is it a cheap and cheerful adapter? Have you used it with other Leica R lenses?
Andrew Fildes
afildes@xxxxxxxxxxxxx
On 23/08/2011, at 6:24 AM, Jim Nichols wrote:
> The lens that I referred to is a Leica-R Summicron 50/2, and must use a
> Leica-R to 4/3 adapter, so it won't work with the M42 adapter. What I found
> with this lens is that the most distant object I can find comes into focus
> before the focusing index reaches the infinity mark. I have to back off
> from the infinity stop to get it in focus. This is the lens I used to see
> what an "infinity" image would resolve with my camera.
--
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