Digital BW, The Print

C. Tobie wrote:
 
 "ALL image editing loses data."
 
 I respectfully disagree. Image edits such as density/contrast changes, or color balancing redistribute data within the image file. This is easily confirmed by launching Photoshop's Histogram window. Open a file and keep the Histrogram open on the desktop. Make an extreme edit to the image and watch the Histogram change; the number of pixels, and the size of the file do not. The edit has caused data to be moved, but it hasn't been lost.
    Bill Kennedy
 K2 Press
 Austin, Texas
 Author: The Photographer's Guide to the Digital Darkroom (Allworth Press)  
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