135mm / f4
Manufactured from c. 1959 onwards in silver.
From c. 1972 onwards in black finish, usually made in Kazan (KOMZ).
Both versions in ZM39 and ZM42
Photos 1, 2, 3 is an early 13,5cm version in M39, #5901941 KMZ.
Photo 4 is a black one (11A) in M42 from 1972.
Photo 5 is the more typical version in M39, #6119064 KOMZ.
Photo 6 shows two exemples of first version KMZ with another preset system.
Note, the scale distance engravings are on the upped side of the focus ring.