Pentax K-7 K-7 Manual - Page 184
Contrast-Control-Sync Flash, Set the sync mode for the external flash to the Contrast
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182 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. • Do not combine with accessories that have a different number of contacts such as a Hot Shoe Grip as a malfunction may occur. • Combining with flashes from other manufacturers may cause equipment breakdown. We recommend using PENTAX automatic flashes. Using the Flash 1 52 3 4 Connect the external flash to the camera indirectly. (p.180) Set the sync mode for the external flash to the ContrastControl-Sync mode. Set the exposure mode to e, b, c or a. 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 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 an external flash with the built-in flash, P-TTL is used for flash control.
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