appendix B
Exposures, Depth of Field, Zone System, and Film Speed Information
Existing-Light Photography: Suggested Trial Exposures Based on ISO/ASA 400 Speed film
| Subject-Lighting Condition | Camera Settings | |
| Photograph of a full moon | 1/500 sec. | f/16 |
| Photograph of a half moon | 1/125 sec. | f/16 |
| Subject illuminated by light of full moon | 8 sec. | f/2 |
| Skyline at sunset | 1/125 sec. | f/11 |
| Skyline just after sunset | 1/125 sec. | f/8-5.6 |
| Star trails | Time | f/2.8 |
| Aurora borealis (Bright) | 10-20 sec. | f/2 |
| Aurora borealis (Medium) | 40-80 sec. | f/2 |
| Lightning bolts (Night) | Time | f/16 |
| Underwater vs. above water, 5-15 feet | Open 1 stop | |
| Underwater vs. above water, 20-30 feet | Open 2 stops | |
| Bright signs at night | 1/60 sec. | f/5.6 |
| Fires | 1/60 sec. | f/5.6-4 ... |
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