Pentax 645N - Page 72

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68
USING
THE
PREVIEW
LEVER
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CSV NS 77
To confirm the depth of field in the viewfinder,
depress the preview lever.
1. Turn the lens aperture ring a position other
than the [ A ] position.
2. Depress the preview lever. The aperture will
stop down to the preset value, and the depth-
of-field can be confirmed through the
viewfinder.
* The lens aperture is closed down while holding
the preview lever.
* The shutter cannot be released while depressing
the preview lever.
* The depth-of-field cannot be confirmed with the
lens aperture set to [ A ].