37S2A SpecificationsType - 2 1/4 x 2 1/4 (6cm x 6cm) Single lens reflex cameraFilm - 120 roll film, 12 exposures and 220 roll film, 24 exposuresInterchanging Films - interchangeable film back coupled with camera body, dark slidewith safety lock system.Standard lens - Nikkor 75mm F2.8 fully automatic preset diaphragm, 4 group 5 elementLens mount - Bayonet type (Bronica mount), also equipped with screw mount (57mm x1 mm pitch). Large bayonet mount for long telephoto lensesFinder - Fresnel lens and large magnifierViewfinder hood - interchangeable with prism finder or magnifying hoodFocusing - Helicoid type, stroke 14mm, rotating angle of focusing ring 250 degreesDistance Scale - for 75mm lens.Mirror - flip down, instant return, automatic mirror systemDiaphragm - Fully automatic diaphragm - 75mm, 40mm, 50mm, 100mm, 105mm,150mm, 200mm, 300mm, 400mm and 600mm lensesDepth-of-Field - Depth-of-field can be checked by pressing preview buttonShutter - Vertically operating focal plane shutter, non-rotating single shutter dial, B, 1,1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500, 1/1000 and 'X' (1/40). ''T'' (Time)Shutter release lock device. Intermediate shutter speeds.Synchro - Automatic switch-over synchronization systemFilm loading - Separate film holder, automatic film winding system by matching withfilm start markFilm winding - winding crank or knob.Film counter - Automatically returns to ''0''Camera body - made of 18-8 stainless steel, bright polished finishDimensions - 100mm x 100mm x 140mmWeight - 1.780 kg