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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