The Nikon FM is an advanced mechanically-operated, interchangeable lens, 35 mm film, single-lens reflex (SLR) camera. The FM used a metal-bladed, vertical travel focal plane shutter with a speed range of 1 to 1/1000th second plus Bulb and flash X-sync of 1/125th second. It had dimensions of 89.5 mm height, 142 mm width, 60.5 mm depth and 590 g weight.
