Exposure time table. stops | B3 | 15 | 11 | 7 | 5 | 3 | 1/2 4 | 1/10 | | 1/25 | | 1/50 | 1/75 | 1/100 8 | 1/5 | | 1/10 | | 1/25 | | 1/50 16 | | 1/4 | 1/5 | | 1/10 | | 1/25 32 | 3/4 | 1/2 | 1 | 1/4 | 1/5 | | 1/10 64 | 1/2 | 1 | 3/4 | 1/2 | | 1/4 | 1/5 128 | 3 | 2 | 1/2 | 1 | 3/4 | 1/2 | Detached clouds. Bright sunshine at A. Bright sunshine brilliant clouds = 2/3 B. " " but sun cloud with) thin clouds. (makes good pictures) | 1 C. Same as B but no detached clouds | 1 1/2 D. Sun covered by dense cloud with bright detached groups. (makes poor pictures) | 1 1/2 E. Same as D but no detached clouds | 2 F. Entire sky covered with thin clouds but the sun can be seen | 2 G. Thicker clouds but the portion of sun can be made out | 3 H. Distant open scene cut down to | 1/2 I. " snow or water scene | 1/3 K Green and Blue | 1