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Sony HVL-F20M External Flash

BH #SOHVLF20M • MFR #HVL-F20M
Sony HVL-F20M External Flash
Key Features
  • Compatible with Sony ADI / P-TTL
  • Guide Number: 66' at ISO 100 and 50mm
  • Coverage: 27mm & 50mm (Full Frame)
  • Tilts Upwards 75°
With a notably slim, compact design and ADI / P-TTL support, the HVL-F20M External Flash from Sony is ideal for those looking to add a little fill light to their images or for use as a wireless TTL controller for off-camera flash units without adding too much weight to their gear bag. It offers a modest guide number of 66' at ISO 100 and 50mm along with two coverage settings for 27mm or 50mm with full-frame sensors. Also, the unit can tilt the flashtube upward 75° for achieving softer, more diffuse bounce lighting.
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Sony HVL-F20M Overview

With a notably slim, compact design and ADI / P-TTL support, the HVL-F20M External Flash from Sony is ideal for those looking to add a little fill light to their images or for use as a wireless TTL controller for off-camera flash units without adding too much weight to their gear bag. It offers a modest guide number of 66' at ISO 100 and 50mm along with two coverage settings for 27mm or 50mm with full-frame sensors. Also, the unit can tilt the flashtube upward 75° for achieving softer, more diffuse bounce lighting.

For remote triggering of additional off-camera flash units, the HVL-F20M is able to work as a TTL controller. Also, it has slow, first and second curtain sync settings and will recycle in 0.1 to 5 seconds. Additionally, it runs on 2 AAA batteries and comes with a terminal protector cap and a carrying case.

This unit is compatible with Sony's Multi Interface Shoe and is not natively compatible with the older Sony/Minolta Auto-Lock Accessory Shoe. Though, with the use of ADP-AMA Shoe Adapter, Sony cameras with the Auto-Lock Accessory Shoe can be adapted to use Multi Interface Shoe external flashes with full compatibility.

Advance Distance Integration (ADI) flash metering works with cameras and lenses with distance encoders to more accurately balance flash output with ambient light and subject reflectivity by taking camera-to-subject distance into account
Effective range of 3.3 to 16.4' when used at ISO 100 and f/2.8
Battery life of approximately 90-150 flashes
White balance information is automatically transferred to the camera
Turn the flash on or off by simply raising or lowering the flash unit
Locking foot
Flash-ready indicator light
UPC: 027242866737

Sony HVL-F20M Specs

Flash Head
Guide Number65.62' / 20 m at ISO 100 (50 mm Position)
CoverageFull-Frame
27 to 50 mm
Angle of Coverage46°
74.3° (with Wide-Angle Adapter)
Bounce Head0 to +75°
Swivel HeadNone
Recycle TimeApprox. 0.1 to 5 Seconds
Secondary IlluminationNone
Exposure Control
Exposure ControlSony ADI / P-TTL
Flash ModesSecond-Curtain Sync, Slow Sync
Flash Compensation-3 to +3 EV (1/3 EV Steps)
Wireless
Wireless OperationOptical Pulse (TTL)
Up to 16.4' / 5 m
Wireless Channels1
Wireless Groups1
Power
Internal Power2 x AAA (Alkaline, NiMH)
External Power Pack CompatibleNo
General
MountShoe
Off-Camera TerminalNone
Dimensions (W x H x D)2.4 x 4.5 x 0.9" / 61 x 114.3 x 22.9 mm
Weight3.7 oz / 105 g
Packaging Info
Package Weight0.4 lb
Box Dimensions (LxWxH)6.3 x 4.6 x 2.3"

Sony HVL-F20M Reviews

Perfect for what it's intended

By Andrew
Rated 4 out of 5
Date: 2022-07-05

This lens isn't to be used for a precessional shoot or anything but if you need something portable and convenient then this is probably what you're looking for. It is a on the pricey side for such a basic flash but I've enjoyed using it at small gatherings. I plan to bring it to some music festivals to take photos of friends.

Does the job

By George
Rated 5 out of 5
Date: 2021-12-29

I moved from an APS-C with a built-in flash to a A7R-IV. This is a lightweight replacement to an on-camera flash. Good fill flash. Obviously not too powerful. Has a direct and bounce setting. Two AAA batteries give you about 100 flash fires. I leave it on the camera and pull out the big flash when needed. Have not tried the wireless commander with my HVL-F60RM.

Very Basic Lightweight Flash

By John
Rated 4 out of 5
Date: 2021-12-06

I wanted a small, lightweight flash to use for family pics. I was pleased when using it for the first time over the Thanksgiving holiday on my Sony A7RIIIA. Sufficient output for individual and group portraits. Not a heavy user of flash units, so size and weight were more important to me than more sophisticated features. A rotational feature on the foot mount that would allow a ceiling bounce flash capability with the camera in portrait orientation would have been appreciated.

Simple and works fine

By Bruce
Rated 5 out of 5
Date: 2020-12-29

Direct and straight up bounce only but small and light. Simple to use and prefect for the tiny RX1R II.

quality

By HOANG
Rated 5 out of 5
Date: 2020-10-01

very good.

Perfect substitute for in camera flash

By Marco
Rated 5 out of 5
Date: 2020-06-28

Bought this flash for the A7RIV. It is a great substitute for an in camera flash offering the convenience that built in flashes bring but with just a little more power and versatility. It is also simple to use - basically it has just two settings: direct and bounce. One - minor - drawback is that when it is in the folded portion on the camera it is off - there is no way to use it unless it is upright - which is unfortunate because in folded position it is much less obtrusive. I wouldn't get this flash if you are looking for a flash which lots of different options in terms of light dispersion, etc. Great for what it is intended to do. You can basically leave it on the camera and forget about it until you need it.

Super simple flash

By Andrew
Rated 5 out of 5
Date: 2022-07-04

Super simple flash for my A1 for a fill-in or family shots. Works well and above all...SIMPLE !!

Right to work

By William
Rated 5 out of 5
Date: 2022-01-14

removed it from the packaging, popped in batteries and put it to work for an entire afternoon. Worked flawlessly. I would buy this again. Not the top end flash, but this is my secondary camera and the HVL is perfect for this camera.

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question

Does this work with A37 ?
Asked by: Anonymous
You can use this flash with the Sony A37, but with the use of this adapter: http://bhpho.to/1gjWYR5.
Answered by: Kirk R.
Date published: 2018-08-28

question

How can I set this up as a wireless function for A7?
Asked by: Anonymous
The Sony HVL-F20M can only be used on camera as a controller for a separate off camera flash. It cannot be used as a wireless flash. To use this as a commander, select this setting in the camera flash control menu.
Answered by: Heather S.
Date published: 2018-08-28

Why can't Lithium AAA batts be used?

Why can't Lithium AAA batts be used?
Asked by: Gary
I use lithium batteries - no problem.
Answered by: Anonymous
Date published: 2021-09-17

question

Will this flash work on my Sony A58 and provide me with TTL. Thank you
Asked by: Anonymous
Yes, the Sony HVL-F20M External Flash is fully compatible with the Sony Alpha SLT-A58 Digital SLR Camera for TTL usage.
Answered by: Manzell L.
Date published: 2018-08-28

question

Does this flash compatable with the Sony Cybershot dsc hx 400v? If not, what flash would be a good recommendation?
Asked by: Michael D.
Yes, built-In Flash & Multi Interface Hot Shoe.
Answered by: Yvon L.
Date published: 2018-08-28

question

Is this flash compatible with the Sony Alpha 65 DSLR?Would you recommend this flash or something else for basic flash photos?
Asked by: Anonymous
To use the Sony HVL-F20M External Flash on the Sony a65 DSLR Camera Body, you would have to purchase the Sony Multi-Interface Shoe Adapter, B&H # SOADPMAA, for use on the camera.
Answered by: Manzell L.
Date published: 2018-08-28

question

Can HVL-F20M be triggered remotely from the a6000 internal flash? If so, how?
Asked by: ahmet a.
The A6000 cannot trigger any external flash with the built in flash.
Answered by: Omar H.
Date published: 2019-04-04

question

Hi, I Have The A7 And The Hvlf20m, When I Press The Shutter On Camera, Flash Fires Two Or Three Times, In All Camera Modes, Can Someone Please Help?
Asked by: Danny
It sounds as if the flash is working correctly. The Sony HVL-F20M External Flash is a fully automatic flash (there is no option to set the flash output manually). Sony's automatic TTL flash system is designed to emit pre-flashes which the camera reads to determine the correct flash output for the actual flash exposure. If the images look correct, then the flash should be operating normally. If your image exposure all look incorrect or over/underexposed, then you may wish to contact Sony to explain your issue and they may require you to send the flash, camera, or both items to them for inspection and/or repair.
Answered by: Manzell L.
Date published: 2018-08-28
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