Sony HVL-F45RM Flash

  • Guide number of 45
  • Wireless radio control function

  • Equipped with LED light for movies and stills.


Out of stock

  • Free 2 Year Warranty

Powerful yet compact

Radio wireless flash control for versatile shooting

Supply powerful lighting with the compact high-performance Sony HVL-F45RM Flash 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

The Sony HVL-F45RM Flash has been dramatically downsized to fit the α E-mount cameras, this compact flash is as powerful as guide number 45. Recycle time is approx. 2.5 seconds, with flash output up to approx. 210 times.

Multi-flash shooting via built-in radio wireless

With its built-in wireless radio-controlled system, the versatile Sony HVL-F45RM Flash 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 groups5. You’ll appreciate wireless convenience and varied lighting for flashes placed at distances of up to 30m6.

Sony HVL-F45RM Flash

Radio-control connection with various types of off-camera units

Sony HVL-F45RM Flash

Wireless control of up to 15 units in up to 5 groups

[1] HVL-F45RM (receiver / off-camera flash)
[2] FA-WRR1 (receiver) + compatible flash (off-camera flash)
[3] FA-WRR1 (receiver) + studio flash (via sync cable)
[4] HVL-F45RM (commander / on-camera flash)
[5] 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.

Functional compatibility

Follow the link below to find compatible cameras. Some cameras may require a software update for use.

Operability & reliability for expert shooting

Sony HVL-F45RM Flash

Intuitive operation via camera-like menus

Enjoy quick intuitive operation with tab menus just like that on the camera.

Sony HVL-F45RM Flash

Quick Navi control interface

One press of “Fn” button calls up Quick Navi screen, letting you directly change shooting settings.

Sony HVL-F45RM Flash

Flexibly assignable custom function

Assign often-used functions to up, down, left, right, centre keys and control wheel (highlighted in red) for easy access.

Sony HVL-F45RM Flash

Rotate head horizontally 360°

Flexible head rotates 180° left and 180° right for rapid bounce operation.

Sony HVL-F45RM Flash

Tilt 150° upward and 8° downward

Use easy 150° up / 8° down tilt adjustment, plus one-touch rearward bounce.

Sony HVL-F45RM Flash

Support vertical shooting with the Sony HVL-F45RM Flash

Bounce flash is possible with the , even with the camera held in vertical composition.

Dust- and moisture-resistant design

Sony HVL-F45RM Flash


Basic information

Dimensions (Approx.)
W 69.4mm X H 113.7mm X D 88.3mm (2 3/4inches × 4 1/2inches × 3 1/2inches)
317g (11.2 oz) (only main unit)


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/STD flash distribution,ISO100・m)
Flash Coverage
AUTO/MANUAL(24mm-105mm)Angle of view of at 15mm focal length is also covered with the wide panel
Flash mode
Flash Duration (Approx.)
Within 1.7ms(1/1 MANUAL)
Color Temperature (Approx.)
Frequency (Approx.)
0.1-2.5 seconds(Alkaline battery)/0.1-2.0 seconds(Ni-MH battery)
Repetition (Approx.)
More than 210 times(Alkaline battery)/More than 270 times(Ni-MH battery)
Continuous flash performance
40 flashes at 10 flashes per second 2
Bounce flash
Bounce angle
Up 150deg (0deg/30deg/45deg/60deg/75deg/90deg/120deg/150deg) Down 8deg, Left and right 180deg (0deg/30deg/45deg/60deg/75deg/90deg/120deg/150deg/180deg)
Test flash
Flash control
Flash control using pre-flash (P-TTL/ADI)
Flash compensation
Yes 3
Power Level switching
22 levels(1/1-1/128) 1/3 steps
High-speed sync(HSS)
Modeling flash
Built-in wide panel
Built-in bounce sheet

AF illuminator

AF illuminator
Yes 3
Operating Range (Approx.)
0.5-6m 4

Radio controlled wireless function

Radio Control Wireless Function
Yes(commander/receiver) 5
2.4 GHz band
14 Channels(Auto/manual)
Communication Distance (Approx.)
30m 67
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 Controlled Wireless Flash
Yes(controller/remote) 8
4 Channels
Communication Distance (Approx.)
5m 67
3 groups
Lighting ratio control
3 groups(TTL)

LED light function

Center Luminance Intensity (Approx.)
400 lx(0.5m)/100 lx(1m)
Lighting Distance (Approx.)
1 m (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)
Color Temperature (Approx.)
Power Level switching
10 steps

Other functions

Auto zoom control optimized for image sensor size
Yes 9
Flash distribution setting
Auto WB Adjustment
Yes 9
Custom key settings
Memory settings
Remote release


LCD panel
Yes(Dot matrix)
Charge progress indicator

External connectors

Sync terminal
Multi/Micro USB terminal

Power source

Power Source
Four AA-size alkaline or Ni-MH batteries
External Battery Adaptor

Other features

Dust and moisture resistant design

What’s In The Box

  • Connector protect cap(1)
  • Mini-stand(1)
  • Carrying case(1)

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