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Pentax SFX (SF1)

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The Pentax SFX (SF-1 in US), dating from 1987, was the world's first autofocus 35mm film SLR with built-in TTL auto flash.

SF1 090523 63h waess1x

Pentax SF1

Pentax SF1

SpecificationsEdit

SF1 090523 70h waess1x
  • Exposure modes: Programmed AE, aperture priority, shutter priority, metered manual. Metering range EV1-EV20 at ISO 100 with 50mm f/1.4 lens. Exposure compensation EV-4 to EV+4 in half steps.
  • Shutter speeds: B (up to 7 hours!) to 1/2000s. Flash sync at 1/100s.
  • Lens mount: Pentax K-AF. (Can also accept all K-mount manual lenses, and M42 with an adaptor.)
  • Lens supplied: SMC Pentax 35-70mm zoom (with macro), max. aperture f/3.5.
  • Focusing modes: AF single, AF servo and Manual. Autofocus in approx 0.3s. Minimum distance 0.7m. Spotbeam for low light to 4m.
  • Viewfinder: Pentaprism with dioptre adjustment. 92% field of view. Features LED for focus, exposure, shutter speed, flash readiness.
  • Integral flash: guide number is 14m at ISO 100
  • Other features: External LCD with all the info you need, self-timer, auto-wind (1.8 fps) and power rewind of film.
  • Power: 1 x 2CR5 6V lithium battery. AA-battery grip is an optional extra.
  • Weight: 665g (without battery).

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