Pentax K Series K-r Digital Camera User Manual


 
182
Using the Flash
5
With the AF540FGZ or AF360FGZ, you can discharge the flash to take a
picture at a shutter speed faster than 1/180 second.
1
Remove the cover of the hot shoe and attach the external
flash (AF540FGZ or AF360FGZ) to the camera.
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
flash sync).
5
Confirm that the external flash is fully charged and then
take a picture.
P-TTL auto is only available with an AF540FGZ, AF360FGZ, AF200FG or
AF160FC flash unit.
The b will light in the viewfinder when the flash is ready (fully charged).
For details such as operation method and effective distance, please refer to
the external flash manual.
The flash does not discharge if the subject is bright enough when the flash
mode is set to C or i. Therefore, it may not be suitable for daylight-sync
shooting.
Never press the K/i button when any external flash unit is attached to
the camera. The built-in flash will hit the external flash. If you want to use both
at once, set the wireless mode or connect them using the extension cord.
(p.187).
Using High-Speed Flash Sync Mode
The b will light in the viewfinder when the flash is ready (fully charged).
High-speed flash sync is available only when the shutter speed is set faster
than 1/180 sec.
High-speed flash sync is not available when the shutter speed is set to h.