Using The High-Speed Sync Flash - Pentax K-50 Operating Manual

Using the High-speed Sync Flash

With an AF540FGZ or AF360FGZ flash unit, you can discharge a flash to
take a picture at a shutter speed faster than 1/180 seconds.
1
Remove the cover of the hot shoe, and attach the external
flash.
2
Set the mode dial to b or a.
3
Turn on the camera and the external flash.
4
Set the external flash sync mode to HSb (high-speed
sync).
5
Make sure that the external flash is fully charged, and then
take a picture.
The b will light in the viewfinder or Live View screen when the flash is
ready (fully charged).
• High-speed sync is available only when the shutter speed is set faster than
1/180 sec.
• High-speed sync is not available in p mode.
• High-speed sync is not available with the built-in flash.
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