Question about Voigtlander Normal Nokton 50mm f/1.5 Aspherical Manual Focus Lens for Bessa R, Canon Screw Mount ...

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I have a problem with a Nokton 50 1.1 that I have buyed new some month ago, from ten days the lens have a great problem of backfocus, we talk about 20cm with the subjet at 2,5m, it's impossible to use. I have already checked the finder of the camera and tested the lens on other Leica, it's a lens problem. How I can do? There is some tech. assistance that I could contact? (I'm in europe) thanks in advance Mauro Ruscelli PS do you know if exists, some tech schema of the lens, It's with floating elements or not? thanks

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