Sony HVL-F45RM External Flash with Wireless Radio Control
Powerful yet compact
Radio wireless flash control for versatile shooting
Supply powerful lighting with the compact high-performance HVL-F45RM clip-on flash. Explore freedom of built-in wireless radio control in multi-flash settings and conventional optical wireless communication. Easy operation, excellent reliability, expert results — especially for enthusiasts of compact α E-mount interchangeable-lens cameras.
Powerful compact with stamina
Dramatically downsized1 to fit the α E-mount cameras, this compact flash is as powerful as guide number 452. Recycle time is approx. 2.5 seconds3, with flash output up to approx. 210 times3.
Multi-flash shooting via built-in radio wireless
With its built-in wireless radio-controlled system, the versatile HVL-F45RM can be used as either commander or receiver, supporting a wide range of shooting situations. As a commander, connect up to 15 units of compatible flashes or receivers in up to 5 groups4. You’ll appreciate wireless convenience and varied lighting for flashes placed at distances of up to 30m5.
Radio-control connection with various types of off-camera units
Wireless control of up to 15 units in up to 5 groups
 HVL-F45RM (receiver / off-camera flash)
 FA-WRR1 (receiver) + compatible flash (off-camera flash)
 FA-WRR1 (receiver) + studio flash (via sync cable)
 HVL-F45RM (commander / on-camera flash)
 FA-WRC1M (commander)
Reliable and precise control in any setting
Radio signals enable stable connection over a wider shooting area (about 30 m / 98.4 ft.). Compatible off-camera flash units or receivers pick up radio signals — in bright light, around obstacles, and even when installed behind the camera. That means more consistent results without pairing errors.
Reach deep into the composition
Reliable also in bright light
Leap over subjects and obstacles
Operability & reliability for expert shooting
Intuitive operation via camera-like menus
Enjoy quick intuitive operation with tab menus just like that on the camera.
Quick Navi control interface
One press of “Fn” button calls up Quick Navi screen, letting you directly change shooting settings.
Flexibly assignable custom function
Assign often-used functions to up, down, left, right, centre keys and control wheel (highlighted in red) for easy access.
Rotate head horizontally 360°
Flexible head rotates 180° left and 180° right for rapid bounce operation.
Tilt 150° upward and 8° downward
Use easy 150° up / 8° down tilt adjustment, plus one-touch rearward bounce.
Support vertical shooting
Bounce flash is possible, even with the camera held in vertical composition.
Dust- and moisture-resistant design
Guide number changes according to zoom position. See the table above.
 Flash coverage setting (35mm format)  Normal flash (1/1 power level)  High-speed sync (HSS) (shutter speed: sec.)
Dimensions (Approx.): W 69.4mm X H 113.7mm X D 88.3mm (2 3/4 in. × 4 1/2 in. × 3 1/2 in.) (w/h/d)
Weight (Approx.): 317g(11.2 oz) (only main unit)
Type: Auto electronic flash (clip-on type) with pre-flash metering
Shoe Type: Multi Interface Shoe.
Flash Head (Light-emitting unit)
Maximum Guide Number: 45(Flash coverage setting 105mm,ISO100・m)
Flash Coverage/Manual: Auto/Manual (24mm-105mm) Angle of view of at 15mm focal length is also covered with the wide panel
Flash Mode: TTL/Manual/Multi
Flash Duration: Approx. within 1.7ms(1/1 MANUAL)
Colour Temperature: Approx. 5500K
Frequency: Approx. 0.1-2.5 seconds(Alkaline battery)/Approx. 0.1-2.0 seconds(Ni-MH battery)
Repetition: Approx. more than 210 times(Alkaline battery)/ Approx. more than 270 times(Ni-MH battery)
Continous Flash Performance: 40 flashes at 10 flashes per second1
Bounce Flash: Yes
Bounce Angle: UP 150°(0°/30°/45°/60°/75°/90°/120°/150°) DOWN 8°, Left and right 180°(0°/30°/45°/60°/75°/90°/120°/150°/180°)
Test Flash: Yes
Flash Control: Flash control using pre-flash(P-TTL/ADI)
Flash Compensation: Yes
Power Level Switching: 22 levels(1/1-1/128) 1/3 steps
High-Speed Sync (HSS): Yes
Modeling Flash: Yes
Built-In Wide Panel: Yes (15mm)
Built-In Bounce Sheet: Yes
Radio controlled wireless function
Radio Controlled Wireless Flash: Yes (commander/receiver)
Frequencies: 2.4 GHz band
Channels: 14 Channels (Auto/manual)
Communication Distance: Approx.30m
Groups: 3 groups (TTL/MANUAL), 5 groups (group flash photography)
Maximum Flash Units: 15 units
Lighting Ratio Control: 3 groups(TTL)
Optical control wireless function
Optical Control Wireless Flash: Yes (controller/remote)
Channels: 4 Channels
Communication Distance: Approx. 5m46
Groups: 3 groups
Lighting Ratio Control: 3 groups(TTL)
LED light function
Center Luminance Intensity: Approx.400 lx (0.5m)/Approx.100 lx (1m)
Lighting Distance: Approx.1m (when recording movies, set to ISO 3200 & F5.6)
Focal Length Supported: 35mm(35mm-format angle of view)
Continuous Lighting Time: Approx.4hours (with Sony AA-size alkaline battery)
Colour Temperture: Approx.5500K
Power Level Switching: 10steps
Auto Zoom Control Optimized for Image Sensor Size: Yes
Flash Distribution Setting: Yes
Auto WB Adjustment with Color Temperature Information: Yes
Custom Key Setting: Yes
Memory Settings: Yes
LCD Panel: Yes (Dot matrix)
Multi/Micro USB Terminal: Yes
Power Source: Four AA-size alkaline or Ni-MH batteries
Dust and Moisture Resistant Design: Yes
What's In The Box
Connector protect cap (1)