Leica DFC Series Manual page 42

cases make sure you select the same image format in
live and in capture image, eg. 2x2 binned for live and for
captured image.
Special Image Formats
Some cameras offer special image formats for live
and/or for captured images:
Center Scan Modes: display only the center areas of the
image for better focusing.
Progressive Modes: Color Progressive modes (Leica
DFC480, 300FX and 320 cameras) display live images
without edge artifacts. Mono Progressive modes only
display pixels of a certain color, eg Progressive Red
discards all green and blue pixels and combines the
remaining red pixels to form a grayscale image.
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Leica DFC Cameras – Image Acquisition Guide