This lens belongs to the first series of Industar-22.
Inspired by the 3,5/50mm FED Industar-10, perhaps even with common parts, but with the new diaphragm scale.
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Factory: KMZ
Formula: 4 elements in 3 groups
Glass: uncoated
Weight: 117g (front aluminium)
Aperture markings: from 3,5 to 16
Signs: marked 50mm"." / small focus button / small aperture button
Princelle: K330
Fotoua: 1aR4
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Photo 1: Serial number 11558 (Jacques M. coll.).
This lens was mounted on a Fed-Zorki 1948.
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Uploaded on 1/25/2011 12:52:38 PM by Jacques M.