- Type: SLR body
- Manufacturer: Pentax
- Films: 35mm, speeds 20-3200 ASA
- Lens mount: 42mm thread (Pentax-mount)
- Mirror: [Instant-return mirror|instant return type]]
- Viewfinder: pentaprism and fresnel lens with microprism centre, 93% coverage
- Shutter: focal plane shutter, controlled electronically, plus second mechanical shutter for manual speed selection, speeds 8-1/1000 sec.
- Metering: CdS-activated TTL meter for open-diaphragm, EV 1-18 with 100 ASA film
- Film advance: Ratchet type rapid wind lever
- Weight: 678 g
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