The Electro 35 GSN is a 35mm rangefinder camera released from Yashica of Japan in 1973. It is the silver chrome version of the Electro 35 GTN and is the update to the previous Electro 35 GS. Its main improvement is the addition of a hot shoe. The Copal leaf shutter of this Yashica rangefinder camera provides quiet operations from 1/500 to 30 seconds and can flash sync at all speeds. The perfectly accurate CdS meter of the Electro 35 GSN makes it apt for street photography. Lens: Color Yashinon DX 45mm f1.7. (Color was just a marketing term). It was the first electronically controlled camera operating mainly in an aperture priority ‘auto’ mode. ASA (ISO): 25-1000. Viewfinder: coupled rangefinder with auto parallax correction. Filter size: 55mm threaded 57mm slip-on. Focal range: 2.6′ to infinity. Shutter: Copal Elec (Leaf). Shutter speeds: B, 1/30, 30s-1/500 aperture priority (1/500 ONLY sans battery).