











DBA Stouffer Graphic Arts |
Step |
|
Target |
|
|
%
Light Transmission |
*%
Light Transmission * |
|
1 |
|
.05 |
|
|
89.13 |
100 |
|
2 |
|
.15 |
|
|
70.79 |
80 |
|
3 |
|
.25 |
|
|
56.23 |
64 |
|
4 |
|
.35 |
|
|
44.67 |
50 |
|
5 |
|
.45 |
|
|
35.48 |
40.5 |
|
6 |
|
.55 |
|
|
28.18 |
32 |
|
7 |
|
.65 |
|
|
22.39 |
25 |
|
8 |
|
.75 |
|
|
17.78 |
20 |
|
9 |
|
.85 |
|
|
14.13 |
16 |
|
10 |
|
.95 |
|
|
11.22 |
12.5 |
|
11 |
|
1.05 |
|
|
8.913 |
10 |
|
12 |
|
1.15 |
|
|
7.079 |
8 |
|
13 |
|
1.25 |
|
|
5.623 |
6.25 |
|
14 |
|
1.35 |
|
|
4.467 |
5 |
|
15 |
|
1.45 |
|
|
3.548 |
4 |
|
16 |
|
1.55 |
|
|
2.818 |
3.13 |
|
17 |
|
1.65 |
|
|
2.239 |
2.5 |
|
18 |
|
1.75 |
|
|
1.778 |
2 |
|
19 |
|
1.85 |
|
|
1.413 |
1.57 |
|
20 |
|
1.95 |
|
|
1.122 |
1.25 |
|
21 |
|
2.05 |
|
|
.8913 |
1 |
|
22 |
|
2.15 |
|
|
.7079 |
.79 |
|
23 |
|
2.25 |
|
|
.5623 |
.63 |
|
24 |
|
2.35 |
|
|
.4467 |
.50 |
|
25 |
|
2.45 |
|
|
.3548 |
.40 |
|
26 |
|
2.55 |
|
|
.2818 |
.31 |
|
27 |
|
2.65 |
|
|
.2239 |
.25 |
|
28 |
|
2.75 |
|
|
.1778 |
.20 |
|
29 |
|
2.85 |
|
|
.1413 |
.16 |
|
30 |
|
2.95 |
|
|
.1122 |
.13 |
|
31 |
|
3.05 |
|
|
.0891 |
.10 |
|
*.05 film base is
assumed to have 100% transmission*
|
|