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OVERVIEW OF FLASH FUNCTION
•The AF500FtZ can be connected directly to the Extension cord F5P without Off-camera shoe adapter.
•The AF400T flash cannot be used with the built-in flash simultaneously because the 4P sync cord B from the AF400T will interrupt the function of the built-in flash.
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 70 for 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-curtain-flash 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.
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 70. The built-in flash can be operated with any type of Pentax TTL dedicated flash unit. 2.