詳細介紹
NHK 11步灰度圖（γ= 0.45）與顏色芯片（3Colors）
NHK 11 Steps Grayscale Chart(γ=0.45) with Color Chips(3Colors)
功能描述
Step Number
1
(white)
2
3
4
5
6
7
8
9
10
11
Background
Reflection Ratio(%)
74.1
61.7
50.1
40.7
31.6
23.4
16.6
12.0
7.6
4.5
2.0
22.4
Density
0.13
0.21
0.3
0.39
0.50
0.63
0.78
0.92
1.12
1.35
1.70
0.65
color
Cyan
Yellow
Red
Density
1.00~1.20
1.60~1.80
1.65~1.85
filter
70%
50%
Effective Area
Outer size
transparent
240x180
320x290
