Diagram of the programmed flash control
Used with a T-series flash (T18, T20, or T32
etc.) or Full-Synchro Flash F280, the OM
-88 is designed to control the flash on the
basis of the direct "OTF" program.
If a shutter speed faster than 1/60 sec. has
been selected by the camera according to the
brightness of the subject, it will take picture
in the ordinary programmed exposure mode
without firing the flash. If it selects a shutter
speed of 1/60 sec. or slower, the aperture
will be automatically shifted 1 stop below
the maximum aperture of the lens used and
the shutter speed will be fixed at 1/80 sec.
The flash will then be controlled by the
direct "OTF" method. This method allows
an easier operation of sophisticated
photographic techniques such as bounce and
diffused flash.
[E] Shutter speed
[E] Aperture
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