ISO 20462-3 Set of Photographic Hardcopy Standard Reference Stimuli

These reference prints are offered for use in image quality tests based on ISO 20462-3, Photography -- Psychophysical experimental methods for estimating image quality -- Part 3: Quality ruler method. $200 to US addresses      or $250 to non-US addresses   .

For more information, or to purchase the ISO 20462-3, go to the ANSI Standards Store