135mm / f4
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Manufactured from c. 1959 onwards in silver
Approximately from 1972 onwards in black finish
Made in Kazan (KOMZ) usually
Both versions in ZM39 and ZM42
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First pictured lens is an early 13,5cm version in M39, #5901941 KMZ.
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Second pictured lens is the more typical version in M39, #6119064 KOMZ.
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Third pictured lens is a black one (11A) in M42 from 1972.
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Last photo shows two exemples of first version KMZ with another preset system.
Also note the scale distance engravings are on the upped side of the focus ring.
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