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Effective Flash Ranges of the Program Flash System
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2. When the RTF is fully charged, the red flash-ready
indicator next to the viewfinder eyepiece (inside
Eyecup F) lights up to confirm it.
3. If the lens aperture ring is set at the
position for
the selected exposure mode (e.g. the Programmed AE
modes), the flash-sync shutter speed (1/60 sec.^1/100
sec.) and the aperture (f/2.8M/11 at ISO 100) are
automatically changed according to the brightness of
the subject, making the daylight flash-sync photography
extremely simple.
The flash-sync shutter speed and the aperture are
displayed on the CENTIC panel when the shutter release
button is depressed halfway down. In the viewfinder,
the exposure mode (**P" or ''A"] and the sync speed
["'60"] are indicated, but the flash-ready indicator [ ^ ]
Is not.
The chart above shows the RTF's effective flash ranges in
the Program Flash system for lenses with a maximum
aperture of f/2.8 or larger. For lenses with a smaller
maximum aperture (f/4, for example), the range is
extended another block at the bottom (from 1.4m to
1m, for example).
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