Pentax Optio E90 Digital Camera User Manual


 
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3
Taking Pictures
Poor focusing conditions
The camera may not be able to focus under the following conditions. In these
cases, lock the focus on an object the same distance away as the subject (by
pressing and holding the shutter release button halfway), then aim the camera
at your subject and press the shutter release button fully.
Objects that lack contrast such as a blue sky or white wall
Dark places or objects, or conditions that prevent light being reflected back
Horizontal lines or intricate patterns
Fast moving objects
When there is an object in the foreground and an object in the background in
the captured area
Strongly reflected light or strong backlighting (bright background)