Lens:

f1.8, 55 mm Super-Takumar, fully automatic iris diaphragm (FAD) to f16. Depth-of-field scale. 42 mm Screw mount. Auto or manual setting for diaphragm. Serial no. 2318167 .

Shutter:

Focal-plane, speeds 1 - 1/1000, B. Delayed action. X, FP flash synchronisation.

Construction:

Metal body.

Format:

36, 24 x 36 mm exposures on 35 mm film held in cassette.

Focusing:

Helical to 0.45 m.

Attributes:

Reflex viewing through taking lens. Fixed roof pentaprism finder, microprism rangefinder in focusing screen, Fresnel screen. Instant return mirror.
Auto-stop on film-advance. Film-advance lever sets the shutter. Film-advance and shutter inter-linked for double and blank exposure prevention.
Coupled, through-the-lens (TTL) metering (CdS cell each side of the finder eye-piece), meter needle aligned to fixed point, stop-down mode. Film speed settings: 20 - 1600 ASA.
Exposure counter.

Serial Number:

1492088 .

With:

• Lens cap. Ever-ready case. Eye cup. Accessory Shoe in box.
• Extension tubes. In case.
• Copipod, instructions, case. In box.
• Instruction book. "Asahi Pentax Spotmatic with Through-the-Lens Exposure Meter", pamphlet. "Complete System Photography Asahi Pentax Lenses and Accessories".