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Carl Zeiss Biotsr 75/1.5 Focus Ring bit loose
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PostPosted: Mon Aug 15, 2016 7:05 pm    Post subject: Carl Zeiss Biotsr 75/1.5 Focus Ring bit loose Reply with quote

Just obtained a slim version Zeiss Biotar 75/1.5 lens, serial # 3776XXX. The focus ring is bit loose, a bit play on it. Is this common with these lenses. I saw there are several tiny screws on the ring, can it be fixed by tightening up the screws?