Film Speeds/Shutter Angles for 60HZ Power using Magnetic Ballast HMI's |
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Speed in fps at any Shutter Angles |
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| 120.000 | 60.000 | 40.000 | 30.000 |
| 24.000 | 20.000 | 17.143 | 15.000 |
| 13.333 | 12.000 | 10.909 | 10.000 |
| 9.231 | 8.571 | 8.000 | 7.500 |
| 7.058 | 6.666 | 6.315 | 6.000 |
| 5.714 | 5.454 | 5.217 | 5.000 |
| 4.800 | 3.750 | 3.000 | 2.500 |
| 2.000 | 1.875 | 1.500 | 1 |
Speeds at particular shutter angles |
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|
66.667 fps |
65.000 fps 195° |
63.333 fps 190° |
57.600 fps 172.8° |
| 56.667 fps 170° |
55.000 fps 165° |
53.333 fps 160° |
50.000 fps 150° |
| 48.000 fps 144° |
46.667 fps 140° |
45.000 fps 135° |
43.333 fps 130° |
| 36.667 fps 110° |
35.000fps 105°or 210° |
33.333 fps 100° or 200° |
26.667 fps 80° or 160° |
| 25.000 fps 75° or 150.0° |
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Unless you are very familiar with the
techniques and equipment film tests should be performed to verify the
speed shutter combination, particularly at high or low frame rates. |
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