Pentax 645 - PHOTOGRAPHIC MODES; SWITCHING TO A (AUTO) AND SETTING PHOTOGRAPHIC MODE

SWITCHING TO "A" (AUTO) AND SETTING PHOTOGRAPHIC MODE
Aperture auto "A" (auto)
Down button
Mode button
Switching to "A" (Auto)
To set the lens aperture ring to the "A" (Auto)
position, align the ring's aperture - "A" Index
(green) with ♦ index while pressing the aperture
auto lock button. To release the auto lock, turn the
ring to the desired f-number (except "A") while
pressing the "A"-lock button.
• Press the aperture auto lock button only when
turning the ring from the "A" position to the
largest f-number (f/22 in this case) or vice
versa.
The following exposure modes can be set depend¬
ing on the position of the aperture ring:
“A" (auto)
■ P r og r ammed AE
Aperture-priority AE
Shutter-priority AE
-Aperture-priority AE
Respective f/stops - M e tered manual
(other than ^^A") -50 (1/60 sec., fixed)
-B (Bulb)
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