Pentax 15656, 15613, 15635 Using the Contrast Control Sync Flash, 246, Refer to p.244 for details

Models: 15698 15679 15613 15646 15635 15624 15667 15668 15656 15758

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246

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.

9

Using the Flash

1 Connect the external flash to the camera indirectly.

Refer to p.244 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.

• When using two or more external flashes and the contrast control sync mode is set on the external master flash unit, the flash output ratio is 2 (master unit)

: 1 (slave units). When an external flash is used in combination with the built-

in flash, the flash output ratio is 2 (external flash) : 1 (built-in flash).

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

Page 248
Image 248
Pentax 15656, 15613, 15635 Using the Contrast Control Sync Flash, 246, Connect the external flash to the camera indirectly