PART IV: Technical Details

Type of camera: 35mm single-lens reflex (SLR) camera
Body: die-cast aluminum chassis
Shutter: vertical travel metal focal plane shutter (models manufactured earlier than 1989 with titanium shutter)
Shutter speeds: 1/1-4000sec., B(bulb)
Max. flash sync speed: 1/250sec.
Viewfinder: eye-level type, 93% frame coverage and 0.86X magnification with 50mm lens set at infinity
Focusing screen: K2 split-image micro prism type as standard, B2 and E2 type available
Film sensitivity range: ASA/ISO 12-6400 (1/3 stop intervals), manual setting
Frame counter: additive type (S, 1-36), automatic reset when chamber door closes
Film Advance Lever: 30-degree standoff angle and 135-degree winding angle
DOF preview: via lever
Self-timer: set/cancel type provided via lever; can be set continuously until about ~10sec
Mirror lock-up: through the self-timer lever
Multiple exposure: via lever
Lens compatibility: Nikon F-mount. Most of manual or AF Nikon mount lenses work perfectly on FM2n, except those lacking manual aperture rings (G-series)
Power source: one 3V lithium battery, or two 1.55V silver-oxide batteries, or two 1.5V alkaline-manganese batteries
Exposure meter switch: light pressure on shutter release switches it on. Automatic switch off after ~30sec
Exposure meter: TTL center-weighted full aperture system; approximately 60% of the sensitivity is concentrated in the central 12mm diameter area of the frame.
Metering range: from EV1 to EV18 at ASA/ISO100 and with 50mm f/1.4 lens
Dimensions: ~142.5mm(W)*90mm(H)*60mm(D)
Weight: ~540g (body only - titanium bodies : 515g)

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