To avoid overheating and deteriorating the flash head, do not use stroboscopic flash more than 10 times in succession. After 10 times, allow the Speedlite to rest for at least 15 min. If you try to use the stroboscopic flash more than 10 times in succession, the firing might stop automatically to protect the flash head. If this happens, allow the Speedlite to rest for at least 15 min.
Stroboscopic flash is most effective with a highly reflective subject against a dark background.
Using a tripod, a remote switch, and external power source is recommended. A flash output of 1/1 or 1/2 cannot be set for stroboscopic flash. Stroboscopic flash can be used with “buLb.”
If the number of flashes is displayed as -
Maximum Stroboscopic Flashes
Flash | Hz | 1 | 2 | 3 | 4 | 5 | 6 - 7 | 8 - 9 |
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1/4 |
| 7 | 6 | 5 | 4 | 4 | 3 | 3 |
1/8 |
| 14 | 14 | 12 | 10 | 8 | 6 | 5 |
1/16 |
| 30 | 30 | 30 | 20 | 20 | 20 | 10 |
1/32 |
| 60 | 60 | 60 | 50 | 50 | 40 | 30 |
1/64 |
| 90 | 90 | 90 | 80 | 80 | 70 | 60 |
1/128 |
| 100 | 100 | 100 | 100 | 100 | 90 | 80 |
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Flash | Hz | 10 | 11 | 12 - 14 | 15 - 19 | 20 - 50 | 60 - 199 |
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1/4 |
| 2 | 2 | 2 | 2 | 2 | 2 |
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1/8 |
| 4 | 4 | 4 | 4 | 4 | 4 |
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1/16 |
| 8 | 8 | 8 | 8 | 8 | 8 |
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1/32 |
| 20 | 20 | 20 | 18 | 16 | 12 |
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1/64 |
| 50 | 40 | 40 | 35 | 30 | 20 |
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1/128 |
| 70 | 70 | 60 | 50 | 40 | 40 |
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If the number of flashes is displayed as -
Flash Output | 1/4 | 1/8 | 1/16 | 1/32 | 1/64 | 1/128 |
Flash Count | 2 | 4 | 8 | 12 | 20 | 40 |
25