Flash tech data for Sony HVL-F20M

Image: Sony, used by permission
General
NameSony HVL-F20M
Release year2013
Statuscurrent
Maximum Guide Number [m]20
Guide Number at 50 mm zoom stop [m]20
Digital readyyes
Shoe typeMulti Interface
Zoom
Zoom range [mm] (with wide angle adapter)27 – 50
Manual zoom stops [mm]27, 50
Auto zoomno
Auto zoom adjustno
Tilt [degrees]0 – 75
Swivel [degrees]
Wireless flash (optical control)
Wireless flash (remote, mode CTRL+/CTRL1)no
Wireless flash (remote, mode CTRL/CTRL2)no
Wireless flash (controller, mode CTRL+/CTRL1)no
Wireless flash (controller, mode CTRL/CTRL2)yes
Wireless channels1
Wireless flash (radio control)
Wireless flash (remote)no
Wireless flash (remote, on FA-WRR1)no
Wireless flash (controller)no
Wireless channels
Manual
Manual modeno
Manual power levels (steps)
Features
High-Speed Syncno
Wireless HSSyes
ADI supportyes
AF assist lightno
Modeling flashno
Stroboscopic flashno
White balance assistyes
Test buttonno
Custom functions
Cable socketvia FA-CS1M
LED lighting
LED intensity [lx at 1 m]
LED focal length [mm]
LED color temp. [K] (with color filter)
Accessories
Batteries2× AAA
External battery pack
Standard accessoriesshoe cap, pouch
Other optional accessories
Misc
Weather sealingno
Commentssee Flash Compendium for compatibility
Reviews & linksJason Hermann on SonyAlphaLab (full review), John Sison (video)
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