Pentax SF-1n SF-1n Manual - Page 43
Pentax SF-1n Manual
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Functions of RTF and Dedicated Auto Flash Units Camera's Functions When flash charging is completed and the shutter release button is depressed halfway down, the flash-ready indicator [ ] appears in the viewfinder, and the shutter speed "125" (1/125 sec.) appears on the CENTIC panel. When using the older models such as the AF160S and AF200S, set an f-number using the lens aperture ring. With the lens aperture ring locked at the "A" position, the appropriate aperture value is set automatically. Successful flash discharge is confirmed by the flash-ready indicator [ 5 ] in the viewfinder, which either turns off briefly and back on again or blinks after exposure. Flash output is automatically controlled by measuring the amount of light striking the film plane during exposure. (TTL Auto Flash) Slow shutter-speed sync operation under 1/125 second is possible in the Metered Manual mode. Built-in AF spotbeam projector for assisting autofocusing in dark locations. Selection of the leading shutter-curtain or trailing shutter-curtain sync mode. RTF AF400FTZ AF240FT AF400T AF280T AF200T AF080C AF2O0SA AF2402 AF160SA AF200S AF160S O* (60-125) O (60-125) O (125) O (125) O O O * O O O O O O O O O O O O 41•