CP198-TI

OECF 20 Chart CP198-TI contains 20 gray patches in a circular order and one polarizing filter in the center of the chart. It's designed for the measurement of OECF, noise, SNR and dynamic range in accordance with ISO 14524/15739 standard. The chart features the contrast ratio of 1,000,000:1 (120 dB), and there's another chart CP197-TI in contrast ratio of 30,000,000:1 (150 dB).

Transmissive test charts with high dynamic range work well on a uniform illumination device such as the high-powered LED transmissive lightbox. 

▋ Chart Patterns

• 20 gray patches in a circular order

• One polarizing filter in the center of the chart

• Four marks distributed at the corner

▋ Specification

▋ Product Display

(The transmissive chart work well on the affordable Yanding LED Light Panel.)