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生产厂家厂商性质
深圳市所在地
TE223 16:9
HDTV Log. Gray Scale Test Chart13 steps ∙contrast 1:200
The TE223 is designed for evaluation of the
halftone reproduction of electronic cameras.
Two 13-graduated counter current gray
scales are arranged on a gray background.
The gray scales are graduated logarithmically.
