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The VueScan Bible by Sascha Steinhoff

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TIFF – Lossless but capacious

TIFF (Tagged Image File Format) is a file format that encompasses many internal formats, several compression methods, and color depths ranging from 1 bit to 32 bits per color channel. VueScan supports only a portion of these options. Still, you will have enough choices to cover all of your needs during the scanning process.

VueScan can store both raw files and processed images in TIFF files, as either *.tif or *.dng files. The difference between TIFF and DNG files is that DNG files have a few extra TIFF tags that are used by RAW file converters. The DNG format has two variants—one color per pixel or three (or 4) colors per pixel. Because scanners, by their nature, have three (or 4) colors per pixel, VueScan uses this ...

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