October 2015
Beginner
362 pages
14h 38m
English
Content preview from Langford's Starting Photography, 7th Edition
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Appendix H Minimum shutter speeds to stop camera shake
Table H.1 illustrates a simple rule to help eliminate camera shake. It uses the principle of not using shutter speeds that are longer than the reciprocal of the focal length of the lens being used.
| Focal length(millimeters) | Reciprocal | Slowest usable shutter speedwithout camerasupport (seconds) |
| 28 | 1/28 | 1/30 |
| 35 | 1/35 | 1/60 |
| 50 | 1/50 | 1/60 |
| 100 | 1/100 | 1/125 |
| 200 | 1/200 | 1/250 |
| 300 | 1/300 | 1/500 |
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