I have a lens and would like to know if anyone can give me any information on it.
Jos. Schneider & Co. / Kreuznsch No. 169845 / xenar f 3.5 F = 24 cm
From what I have found by looking up the number it looks like it was made in the mid twenties. The problem I'm finding is that I don't see any lens with a 24 cm marking, is this really a 240 mm lens. Also any of the 240 mm's listed have an f 4.5 . This is very confusing. I wrote to the company via e-mail but havent had a reply.
Thanks,
kenn
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