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USING PROGRAMMED AUTO FLASH MODE
Pentax dedicated flashes can be used with this
camera, regardless of whether it is set to the
Programmed AE or Metered Manual mode.
1. Attach the flash to the camera.
2. Set the flash mode selector to AUTO (red,
green or yellow). This does not apply to
the AF200SA, AF240Z and AF160Sa .
3. Turn the flash switch on.
4. When the flash is ready, it Is indicated by the
glowing of i mark in the viewfinder. (When
the meter's timer switch is off, the i mark
also disappears.)
Using in Programmed AE mode
•
AF200SA , AF200T, AF280T and AF400T are
compatible with this mode.
•
As soon as the flash is ready, the camera is
automatically switched to work at the flash
sync speed of 1/100. The aperture Is also
automatically set to the programmed f-stop as
shown in the table, depending on which AUTO
position you choose.
(At ISO 100)
AF200T
AF280T
AF400T
Red
f/2.8
f/4
f/4
Green
f/5.6
f/8
f/8
'
Yellow
—
—
f/11
(AF200Sa: f/4 at ISO 100)
■
As the film speed changes, the aperture also
changes automatically.
■
As shown in the above table, the aperture is set
to f/2.8 when the AF200T is used in the Red
AUTO, and therefore, using a lens whose
maximum aperture is as small as f/4, for
instance, will result in underexposure.
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