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詳細(xì)介紹
TE165 16:9
Log. Gray Scale Test Chart (11 steps)
The TE165 is designed for evaluation of the
halftone reproduction of 16:9 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.