Difference between revisions of "Pentax SFX (SF1)"
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* 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. | * 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. | * 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 mount: [[K mount lenses |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. | * 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. | * Focusing modes: AF single, AF servo and Manual. Autofocus in approx 0.3s. Minimum distance 0.7m. Spotbeam for low light to 4m. |
Revision as of 12:37, 25 April 2023
Pentax SFX with SMC Pentax-F (auto-focus) zoom 1:3.5-4.5 35-70mm image by Arty Smokes (Image rights) |
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.
Specifications
- 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 diopter 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).
SF1 top view image by Max Morley (Image rights) |