Leica Wartime Sonnar 1:4 f=13.5cm

Good work! Whats the min. focusing distance on a Jupiter 11? Same as the 2.5m on the Sonnar?

Yes. My copy has «2,5» using a comma, but decimal comma vs. decimal dot is an entirely different topic — not unlike clockwise vs. counterclockwise throw regarding focus or aperture scale, etc., there was no apparent accord even within one and the same lens or camera maker :)
 
Yes- 2.5m is the minimum focus. The focus on my J-11 was good from 2.5m to infinity, and the transplanted 13.5cm F4 is also good across full range.

I will get a new thread up under adapted lenses, and probably this forum. It will be valuable to show pictures of your original in the same forum as my conversion. There are differences - easiest to spot is the lower-case "m" on yours.
 
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