Understanding Image Sharpness Part 2: Resolution and MTF Curves in Scanners and Sharpening

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Type: 
Information Website
Author: 
Norman Koren
Year: 
2011
Difficulty: 
Not Applicable
Tags: 
Digital film, Scanning
Topics: 

In this page Norman Koren examines the MTF of scanners and sharpening algorithms, and addresses the question, "What scanner resolution (pixels per inch or dpi) is required for a digital print to appear sharper than a conventional darkroom print?"

Norman Koren lives in Boulder, Colorado, founded Imatest LLC in 2004, previously worked on magnetic recording technology. He maintains his own website with tutorials and other information on (digital) photography.