Different types of 35-mm film cartridges. 1 -- Nikon SP, Nikon F (Contax-type) labirintine cassette inside sleeve; 2 -- Nikon cassette body; 3 -- labirintine cassette 'ФКЦ' for 'Kiev' rangefinder (Contax-type); 4 -- labirintine cassette 'ФКЦ' for 'FED', 'Zorki' rangefinder (Leica-type); 5 -- collapsible 'Krasnogorsk' cassette; 6 -- type-135 cassette.