Ricoh GXR 用户手册

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页码 204
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 Mode: Skew Correct
To take pictures in skew correct mode, frame the subject 
so that it occupies as much of the frame as possible and 
press the shutter-release button to take the photograph. 
If the camera detects an object of which perspective 
can be corrected, the object is shown surrounded by an 
orange frame. The camera can detect up to five objects; 
press Fn2 to select a different object, or press + to record 
the photograph without correcting perspective. If the 
camera is unable to detect a suitable object, an error 
message will be displayed and the photograph will be 
recorded without modification.
Caution
The camera records two images: the unmodified photograph 
and a copy that has been processed to correct perspective. No 
photograph will be taken if memory is insufficient to record two 
images. The camera may be unable to correct perspective if:
•  The subject is out of focus.
•  The four edges of the subject are not clearly visible.
•  There is little contrast between the subject and the background.
•  The background contains many fine details.
 Tip: Skew Correction
The Skew Correction in the playback menu can be used to 
correct perspective of saved photographs (page 110).