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AF-540FGZ Flash
Product # PE30425
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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)
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- 148ft. (45m) at 50mm
- 177ft. (54m) at 85mm |
Effective flash range:
(Guide No.30, ISO 100, F5.6)
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- Approx. 2.6 ft – 26.2 ft (0.8m – 8.0m) |
| Flash exposure compensation: |
In P-TTL mode, -3.0 to +1.0 steps (0.5-steps increments) |
| Flash modes: |
- P-TTL auto, TTL auto, auto, manual |
| Bounce Head: |
- Yes, (-10º, 0º, 45º, 60º, 75º, 90º) |
| Swivel Head: |
- No |
| 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 W x H x D: |
- 3.0 x 5.6 x 4.2 inches (76 x 142 x 107mm) |
| Weight: |
- 13.4 oz. (380g) |
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