Sony has announced their first 2.4 GHz radio controlled flash, the compact Sony HVL-F45RM flash ($398 at B&H Photo | Amazon) with built-in wireless capability of operating up to 15 flashes in 5 groups.
When mounted on camera, Sony HVL-F45M can act as a flash commander or it can be triggered off-camera using a Sony FA-WRC1M Wireless Radio Commander using built-in 2.4 GHz wireless wireless connection capability of operating up to 15 flashes in 5 groups.
It’s compact form is aimed at Sony’s mirrorless camera line-up as well as the reduced size of Sony’s new flagship A-mount a99 II camera
- • 2.4 GHz Radio Transceiver with 98′ Range
• Compatible with Sony ADI / P-TTL
• Guide Number: 148′ at ISO 100 and 105mm
• Zoom Range: 24-105mm (15mm with Panel)
• Tilts from -8 to 150°
• Rotates Left & Right 180°
• Radio or Optical TTL Commander or Remote
• LED Video Light
• Flash Distribution and Memory Settings
• Dust- & Moisture-Resistant Construction
Beyond the radio system, the HVL-F45RM makes many improvements upon its predecessor, including a size reduction of more than 10%, moisture and dust resistance, and an improved guide number of 148′ at ISO 100 and 105mm. The flash also boasts a faster recycle time of 2.5 seconds at full power, an LED video light, a zoom head of 24-105mm, new flash distribution settings, and an upgraded memory setting.
Users will also be able to tilt the flash head from -8 to +150° and rotate it 360°. The controls have been improved as well, with programmable buttons and a Quick Navi interface. Additionally, it has a Micro-USB port for future firmware updates.
The flash is designed to work with Sony cameras which feature a Multi Interface Shoe, however, wireless radio features are limited to the a7II, a7RII, a7S II, a99 II and a6500.