Sony HVL-F45RM Wireless Radio Flash

Model #HVL-F45RM

Sony Warranty
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General Information

Mount Shoe
Guide No. 147.64' (45 m) ISO100 at 105 mm position
Exposure Control ADI / P-TTL, Manual
Vari-Power 1/1 - 1/128
Bounce Head -8° to +150°
Swivel Head 360°
Coverage 15 mm - 105 mm (Full frame)
Zoom Head Full frame: 24 mm - 105 mm
Recycle Time Approximately 0.1 - 2.5 seconds
Flash Duration 0.0017 sec @ Full Power
Flash-Ready Indicator Yes
Compensation -3 EV to +3 EV (in 1/3 and 1/2 EV steps)
Wireless Operation Method: RFDistance: Up to 98.43' / 30 mMethod: Optical pulseDistance: Up to 16.40' / 5 m
Wireless Communication Channels 14 Channels
Wireless Groups 5 Groups
Power Source 4x AA Alkaline, Rechargeable NiMH Batteries
Dimensions (WxHxD) 2.7 x 4.5 x 3.5" / 69.4 x 113.7 x 88.3 mm
Weight 11.18 oz / 317 g
User Reviews
B h photo.34921152
11 August 2018

I have been using Nikon Speedlights for 20 years and expected that this unit would work similarly on my Sony A7II. With Nikon, you get a good TTL exposure using any program mode except Manual; with the Sony, it works properly only when the program mode is set to Auto.

B h photo.34921152
7 March 2018

This flash working well with the Sony A7Rii camera. I used it as the regular on-camera flash, as the commander and as the slave flash with the Sony commander and with the other Sony flash and Sony reciever. No any issues in all modes.

B h photo.34921152
29 June 2018

It's smaller, lighter than theSony HVL-F43M, and AF Illuminator works perfectly in "S" focus mode with my a7riii, not older model like a7rii. I think it should work with a7iii and a9. Hope this help.

B h photo.34921152
17 December 2017

Great speedlight. Bought two. Wireless function is perfect. Easy set up. Control everything from a controller or use one flash as a controller. Probably going to be durable but will see...

B h photo.34921152
18 May 2017

Very nice flash; light (but could be a bit smaller). I use it with A7R2 + 35/1.4 and 85/1.4. Communicates with camera well.

14 October 2021

The flash charges very quickly. The building is not as good as Canon. The hot shoe is made of plastic and I'm not that happy about that. I was expecting a metal hot shoe. The flash head moves without the button.

13 October 2021

Bought this to accompany my new Sony camera. As it didnt have a combined flash built in.Great choice. Well pleased

19 April 2021

I bought first with intent to buy commander only but ended up buying two 45's and commander. Confusing setup, had to follow YouTube video but work great, easy menu, and good quality.

15 September 2020

Fits really well into my home automation system. Easy to set up and better sound than the Google devices.

29 August 2020

Don't get me wrong. This is a nice little smart speaker. It's well designed, the LED lights are customisable, the gesture control is sweet. There are even various different ways you can connect to it. As a speaker even, the Sony quality is there.

Product Highlights
  • 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 Light with 400 lux Output at 1.6'
  • Flash Distribution and Memory Settings
  • Dust- & Moisture-Resistant Construction
In The Box
  • Sony HVL-F45RM Wireless Radio Flash
  • Terminal Protector Cap
  • Mini-Stand
  • Carrying Case
  • Limited 1-Year Warranty
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