產(chǎn)品簡介
詳細(xì)介紹
TE153
Log. Gray Scale Test Chart (11 steps)
The TE153 is designed for evaluation of the
halftone reproduction of electronic cameras.
Two 11-graduated counter current gray scales
are arranged on a gray background. The gray
scales being graduated logarithmically. The
contrast range of the gray scales is 40:1