Pentax ZX-7 ZX-7 Manual - Page 77
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Red-eye reduction flash function The red-eye reduction flash function with an external flash attached can also be used depending on what type of an external flash is attached, and it may have any restrictions for usage. See page 76 more details. The red-eye reduction flash function can be used only when the external flash is set to the TTL Auto Mode. Trailing-Shutter-Curtain Flash function When using the built-in flash and the external flash simultaneously, the trailing-shutter-curtainflash function for the built-in flash also operates when the external flash is set to the trailing-shutter-curtain-flash function. Before shooting, confirm that both flash units are fully charged. Contrast-Control-Sync Flash Photography Using the AF330FTZ or AF500FTZ in combination with the built-in flash allows twin flash photography (contrast-control-synch flash photography). This is based on the difference between the amount of light discharged from two units. 1. Put the AF500FTZ or AF330FTZ in the Contrast-Control-Sync Flash Mode. 2. Ensure that both flash units are fully charged and then shoot. • The ratio of the amount of flash light is 1 (built-in flash) : 2 (dedicated flash unit). • Do not combine an accessory with a different number of contacts such as a "Hot Shoe Grip" as a malfunction may occur. • In the Contrast-Control-Sync Flash Mode, the top flash sync speed is 1/60 of second. Multi-burst flash with the Pentax dedicated flash When discharging more than 2 Pentax dedicated flashes, make sure that they are of the same type, combine the type B with Type C or Type D with Type E. Refer to the overview of Flash Function on page 78. The built-in flash can be operated with any type of Pentax TTL dedicated flash unit except AF400T SNOLLY83dO Cl30NVAaV