The Helios-77M-4 was produced in the 1990s for Zenit cameras. It has a 42mm screw mount and auto-diaphragm. It has click-stops down to f/16. It focuses down to 0.45 metres and was manufactured by VOMZ.
Created by RCCCUK on 2/22/2011 5:34:53 AM | Last Edited by RCCCUK on 2/22/2011 5:40:47 AMRevision History