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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.
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Guide No.:
(ISO 100, Focal Length in 35mm format) |
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- 148ft. (45m) at 50mm
- 177ft. (54m) at 85mm |
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Effective flash range:
(Guide No.54, ISO 100, F5.6) |
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- Approx. 2.6ft – 26.2ft (0.8m – 8.0m) |
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Flash exposure compensation: |
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In P-TTL mode, -3.0 to +1.0 steps (0.5-steps increments) |
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Bounce Head: |
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- Yes, (-10º, 0º, 30º, 45º, 60º, 75º, 90º) |
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Swivel Head: |
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- Yes, Right: (0º, 30º, 60º, 90º, 120º, 150º, 180º), Left: (0º, 30º, 60º, 90º, 135º) |
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Zoom Head: |
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- 24-85mm (flash senses focal length automatically) |
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Flash sync mode: |
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- Leading-shutter-curtain sync, Trailing-curtain-sync, Contrast-control-sync, High-speed-sync, modeling flash, Wireless flash |
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Power Source: |
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- Four AA size batteries (alkaline, lithium, Ni-Cd, NiMh) |
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Dimensions: |
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- 3.0 x 5.6 x 4.2 inches (76 x 142 x 107mm) |
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Weight: |
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- 13.4 oz. (380g) |
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Click here to download Specifications.
Click here to download Instruction Manual. |
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