Pentax AF540FGZ Auto Flash

Pentax Updated: 2008-10-01 RSS
Pentax AF540FGZ Auto Flash

The PENTAX AF540FGZ auto flash unit features a large guide number of 54 (at ISO100/m). This clip-on, twist/tilt, auto-zoom flash provides a variety of advanced flash applications, including P-TTL auto flash, high-speed synchronization and wireless P-TTL auto flash, when mounted on a PENTAX digital SLR camera.

Guide No.: (ISO 100, Focal Length in 35mm format)
- 148ft. (45m) at 50mm
- 177ft. (54m) at 85mm

Effective flash range: (Guide No.54, ISO 100, F5.6)
- Approx. 2.6ft – 26.2ft (0.8m – 8.0m)

Flash exposure compensation: In P-TTL mode, -3.0 to +1.0 steps (0.5-steps increments)

Bounce Head: Yes, (-10º, 0º, 30º, 45º, 60º, 75º, 90º)

Swivel Head: Yes, Right: (0º, 30º, 60º, 90º, 120º, 150º, 180º), Left: (0º, 30º, 60º, 90º, 135º)

Zoom Head: 24-85mm (flash senses focal length automatically)

Flash sync mode: Leading-shutter-curtain sync, Trailing-curtain-sync, Contrast-control-sync, High-speed-sync, modeling flash, Wireless flash

Power Source: Four AA size batteries (alkaline, lithium, Ni-Cd, NiMh)

Dimensions: 3.0 x 5.6 x 4.2 inches (76 x 142 x 107mm)

Weight: 13.4 oz. (380g)