NHK 11 Steps Grayscale Chart(γ＝0.45) with Color Chips(4 Colors)

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NHK 11 Steps Grayscale Chart(γ＝0.45) with Color Chips(4 Colors)

Step Numbe 1
(white) 2 3 4 5 6 7 8 9 10 11
(black) Back ground

Reflection ratio(%) 74.0 61.4 50.0 40.5 31.4 23.7 16.6 12.0 7.6 4.5 1.9 18.0

Density 0.13 0.21 0.30 0.39 0.50 0.63 0.78 0.92 1.12 1.35 1.70 0.74

Color Cyan Transparent Yellow Red

Density 1.00～1.20 0.08～1.00 1.60～1.80 1.65～1.85

ND filter 70% 50%

Effective area Outer shape

Transparent type 240×180 320×290