| 商品名称 |
厂商 |
型号 |
市场价格 |
52RD价格 |
| ITE II type gray scale chart (γ=0.45) |
DNP(日本) |
4: 3 types |
恰询 |
恰询 |
 详细介绍 |
|
1. Reflectance ratio and density of the gray scale are shown on description below.
|
|
|
| 功能描述 |
|
| Step number |
1
(White) |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11
(Black) |
Back
Gland |
Reflectance ratio
(%) |
83.0 |
71.0 |
57.0 |
46.0 |
37.0 |
27.4 |
19.5 |
13.4 |
8.3 |
4.75 |
2.0 |
18.0 |
| Density |
0.08 |
0.15 |
0.24 |
0.34 |
0.43 |
0.56 |
0.71 |
0.87 |
1.08 |
1.32 |
1.70 |
0.74 | |
|
|
 |
|
