OECF 动态范围测试卡
（ISO 15739 标准卡）
（ISO 15739 标准卡）
The TE219 is designed for noise measurement of still video. It consists of circular and horizontal positioned gray fields, one gradient field and one field containing a diagonal multiburst with different frequencies.
20:1, 80:1, 160:1, 1000:1对比度可选
20:1, 80:1, 160:1, 1000:1对比度可选
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