Using The Contrast Control Sync Flash - Pentax Silkypix K-500 Operating Manual

When combining two external flashes
2
When using multiple external flashes or using an external flash with the built-in
flash, P-TTL is used for flash control.

Using the Contrast Control Sync Flash

Combining two or more external flashes (AF540FGZ, AF360FGZ or
AF200FG) or using an external flash in combination with the built-in flash
allows multiple flash photography (contrast control sync flash
photography). This is based on the difference between the amounts
of light discharged from multiple units.
The AF200FG must be combined with the AF540FGZ or AF360FGZ.
1
Connect the external flash to the camera indirectly.
Refer to p.260 for details.
2
Set the sync mode for the external flash to contrast-control-
sync mode.
3
Confirm that both the external flash and built-in flash are fully
charged and then take a picture.
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