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BH #FUEFX20 • MFR #16241307
Key Features
  • Compatible with FUJIFILM TTL
  • Guide Number: 66' at ISO 100 and 28mm
  • Coverage: 28mm & 20mm (Full Frame)
  • Wireless Slave Functionality
A super compact TTL-capable unit, the EF-X20 Flash from FUJIFILM helps add a bit of fill light to your scene. This flash offers a guide number of 66' at ISO 100 and the 28mm (full frame) setting. It also has a built-in wide-angle panel that increases coverage to 20mm and will work as a wireless slave unit. Manual power setting is possible with a dial for 1/1 to 1/64 power and it has exposure compensation from -1 to +1 EV in 1/3 steps. Additionally, it runs on 2 AAA batteries and has a recycle time of 5 to 6 seconds. Included with the unit is a soft pouch and a tripod adapter.
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Will this work with a GFX 50r to add a little ...

Will this work with a GFX 50r to add a little fill when shooting in sunlight?
Asked by: david
Yes the FUJIFILM EF-X20 Flash is compatible with the GFX-50r and it can be used as a fill flash.
Answered by: Dan
Date published: 2019-11-14

Is the EF-X20 weather sealed?

Is the EF-X20 weather sealed?
Asked by: Jake
i dont think so.
Answered by: steven
Date published: 2021-03-18

Does this work with the new X100V?

Does this work with the new X100V?
Asked by: James
Yes, it is compatible with the X100V.
Answered by: Rob
Date published: 2022-04-23


Hello, how much voltage does the flash trigger in maximum? Will it be safe when mounted on an old digital camera such as Epson RD1? Thank you!
Asked by: Lanbiao Z.
Unfortunately, Fuji does not publish the trigger voltage for this flash nor has it been tested with any other cameras except those in the Fuji X series. Your results may vary when using it with a camera like the Epson RD1.
Answered by: Kirk R.
Date published: 2018-08-28

Does this work with the new FUJIFILM X-E4?

Does this work with the new FUJIFILM X-E4?
Asked by: Pancho
Yes this flash can work with the Fujifilm X-E4.
Answered by: Kirk
Date published: 2021-02-15


What wired remote shutter its recommended to fire this flash out of the camera shoe mount?
Asked by: Anonymous
There is no wired remote shutter for use with the Fujifilm EX-X20 Flash. You would either use the flash on the hot shoe of the Fujifilm X-series cameras, or you would use the flash in Slave Mode as indicated in the flash's instruction manual on page EN-4.
Answered by: Manzell L.
Date published: 2018-08-28

Is this capable of high speed sync?

Is this capable of high speed sync?
Asked by: Pavel
No, the FUJIFILM EF-X20 Flash does not have high speed sync. This flash will only perform high speed sync with Fujifilm leaf shutter cameras, such as Fuji X100f.
Answered by: Khalid
Date published: 2019-11-26

Will this work in manual mode on a Sony a7ii?

Will this work in manual mode on a Sony a7ii?
Asked by: Jakob
In manual it should work.
Answered by: Reuben
Date published: 2020-04-06
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