Type	35mm SLR camera with built-in through-the-lens exposure meter
Film and Negative Size	35mm film. 24mm x 36mm
Standard Lens	SMC Pentax 50mm f/1.2, 50mm f/1.4 and 55mm f/1.8 with fully-automatic diaphragm. Filter size: 52mm. Minimum aperature: f/22. Focusing: 0.45m (1.5 ft.) to infinity.
Shutter	Horizontal run, focal-plane shutter of rubberized silk curtains. Speeds: B, 1 to 1/1000 sec. Shutter button lock provided.
Self-timer	Built-in self-timer with interrupt function. Releases shutter in 5 - 13 sec.
Viewfinder	Pentaprism finder with cross-microprism or split-image focusing screen. Aperature setting on lens visible in viewfinder. Shutter speed setting indicated by blue needle. 0.88x magnification with 50mm standard lens (life-size with 55mm lens). Dioptry - 0.8. 93% field of view.
Focusing	Microprism and split-image screens standard plus custom screens.
Reflex Mirror	Instant-return type with mirror lock-up device and special shock absorbers for minimum vibration.
Lens Mount	Pentax bayonet mount.
Film Advance	Ratchet-type rapid-wind lever. 20 degree pre-advance and 160 degree advance angle. "Cocked" indicator alongside shutter release button.
Exposure Counter	Automatic re-set
Film Rewind	Rapid-rewind crank for speedy film take-up.
Flash Synchronization	X contact hot shoe for cordless flash connection. FP + X contacts for conventional flash cord connection. X synchronization at 1/60 sec.
Exposure Metering	Silicon-Photo-Diode meter measures the entire area of ground glass with emphasis on central portion at full aperature. Couples directly to shutter, aperature and film speed settings. Match needles for correct exposure. EV 1 - 18 for ASA 100 film with 50mm lens. Film speed from 8 to 6400 ASA. Powered by two 1.5 silver oxide batteries.
Memo Holder	Square metal sleeve for holding type/speed tab from top of film box.
Dimensions	With 50mm f/1.4 lens: width 143mm (5.6") x height 91.4mm (3.6") x 94mm (3.7").
Weight	896g (31.4 ozs.) with 50mm f/1.4 lens. 631g (22.1 ozs.) with no lens.