A dozen of MC Helios 44K-4 2.0/58mm, fit on the Zenit Automat and AM Cameras.
It is the Helios 44M-4, on which has been adapted a "K" mount, for fitting on the few bayonet versions of Zenit cameras. The most part of the ones of this collection are "MC", except the one on the Automat bought in october 2010 (from 1988).
Helios 44K-4 2.0/58mm, delivered on December 23rd 2009, on a Zenit Automat bought by Christophe.
This one's barrel has an unusual look. Cyrillic markings, no "MC" indication.
Helios 44K-4 2.0/58mm, delivered on July 20th, 2010, on a Zenit Automat bought by Christophe.