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Equipped with a built-in 2.4 GHz radio transceiver, the HVL-F45RM Wireless Radio Flash from Sony will help users quickly create portable lighting setups with complete support for P-TTL / ADI metering. This flash can be set as a commander or a remote that fully supports Sony existing radio commanders and receivers, including ratio control, the ability to work with up to 15 flashes in five groups, and access to 14 channels. The flash works within Sony optical wireless flash system as well, where it is also able to operate as either a commander or remote unit.
Improving upon the previous model, the HVL F45RM reduces size and weight by over 10% while improving the guide number to 148; at ISO 100 and 105mm and improving the recycle time to 2.5 seconds. Full bounce capabilities are available as well with tilt from 8 to 150 and a total of 360 of rotation. Also, it has a zoom head of 24-105mm which can be expanded to 15mm with a pull-out diffusion panel alongside an LED light useful for video. The flash offers vastly improved controls via the rear LCD, including customizable buttons and flash distribution and memory settings. Additionally, the flash has a dust and moisture-resistant construction.
Key Features
Flash Head
| Guide Number | 147.64' / 45 m at ISO 100 (105 mm Position) |
| Coverage | Full-Frame 24 to 105 mm 15 mm (with Wide-Angle Adapter) |
| Auto Zoom Head | Yes |
| Bounce Head | -8 to +150° |
| Swivel Head | 360° |
| Flash Duration | 1/600 Second at Full Power |
| Recycle Time | Approx. 0.1 to 2.5 Seconds |
| Secondary Illumination | Video Light |
Exposure Control
| Exposure Control | Sony ADI / P-TTL |
| Flash Modes | Hi-Speed Sync, Second-Curtain Sync, Slow Sync |
| Power Range | 1/1 to 1/128 |
| Flash Compensation | -3 to +3 EV (1/3, 1/2 EV Steps) |
Wireless
| Wireless Operation | Radio (TTL/Manual) Up to 98.43' / 30 m Optical Pulse (TTL/Manual) Up to 16.4' / 5 m |
| Wireless Channels | 14 |
| Wireless Groups | 5 |
Power
| Internal Power | 4 x AA (Alkaline, NiMH) |
| External Power Pack Compatible | No |
General
| Mount | Shoe |
| Dimensions (W x H x D) | 2.7 x 4.5 x 3.5" / 69.4 x 113.7 x 88.3 mm |
| Weight | 11.18 oz / 317 g |
Packaging Info
| Package Weight | 1.165 lb |
| Box Dimensions (LxWxH) | 7.05 x 5.35 x 4.55" |