詳細介紹:
T2115-美國-21級曝光尺
T2115 Transmission 21-Step Specifications | |||
Step | Target | % Light Transmission | *% Light Transmission * |
1 | 0.05 | 89.13 | 100 |
2 | 0.2 | 63.1 | 71 |
3 | 0.35 | 44.67 | 50 |
4 | 0.5 | 31.62 | 36 |
5 | 0.65 | 22.39 | 25 |
6 | 0.8 | 15.85 | 18 |
7 | 0.95 | 11.22 | 12.5 |
8 | 1.1 | 7.943 | 9 |
9 | 1.25 | 5.623 | 6.25 |
10 | 1.4 | 3.981 | 4.5 |
11 | 1.55 | 2.818 | 3.13 |
12 | 1.7 | 1.995 | 2.25 |
13 | 1.85 | 1.413 | 1.57 |
14 | 2 | 1 | 1.12 |
15 | 2.15 | 0.7079 | 0.79 |
16 | 2.3 | 0.5012 | 0.56 |
17 | 2.45 | 0.3548 | 0.4 |
18 | 2.6 | 0.2512 | 0.28 |
19 | 2.75 | 0.1778 | 0.2 |
20 | 2.9 | 0.1259 | 0.14 |
21 | 3.05 | 0.0891 | 0.1 |
*.05 film base is assumed to have 100% transmission* |