this item is a ussr MC MTO-11CA MANUAL FOCUScamera mirror reflex lens.m42 screw fit 10/1000mm.this is fully working and in very good condition comes complete with 3 filters, original lens caps,original manual and leather case. the lens does have some small amounts of fungus within..which can be cleaned by removing the 3 very tiny screws around the edge to access it..hence the price pet free and smoke free home
