Professional external flash featuring a guide number of 91.9' (28 m) at ISO 100, Sony ADI/P-TTL exposure control, and radio wireless operation up to 35 m.
The Sony HVL-F28RMA is a compact external flash designed for versatile lighting needs. It offers a guide number of 91.9 feet (28 meters) at ISO 100 in the 50 mm position, providing ample illumination for various shooting scenarios. The flash head supports vertical bounce adjustment from 0 to +120 degrees, enhancing creative lighting angles, though it does not swivel horizontally. Exposure is managed via Sony's ADI and P-TTL systems for accurate automatic flash output. Wireless operation is enabled through radio transmission supporting TTL and manual modes, with a range up to 114.8 feet (35 meters) when used as a commander or master unit. Power is supplied by two AA alkaline or NiMH batteries (not included). The flash covers full-frame sensors at 50 mm and extends to 24 mm with the included wide-angle adapter. Flash duration at full power is approximately 1/625 second, with recycle times ranging from 0.1 to 6.4 seconds. Additional features include high-speed sync and slow sync flash modes, manual power adjustment from full to 1/256, 14 wireless channels, and 5 wireless groups. The unit mounts via the Sony Multi-Interface Shoe and weighs 8 ounces (226 grams). Dimensions measure 2.6 x 3.3 x 3.7 inches (65.1 x 83.5 x 94.4 mm).
- Guide Number: 91.9' / 28 m at ISO 100 (50 mm position)
- Bounce/Vertical Adjustment: 0 to +120°
- Exposure Control: Sony ADI / P-TTL
- Wireless Operation: Radio TTL/Manual up to 114.8' / 35 m
- Power Source: 2x AA Alkaline or NiMH batteries (not included)
- Coverage: Full-frame 50 mm; 24 mm with wide-angle adapter
- Flash Duration: 1/625 second at full power
- Recycle Time: Approximately 0.1 to 6.4 seconds
Specifications
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