Nikon SB-28 instruction manual Maximum number of repeating flashes per frame

NOTE

Frequency (Hz)

Flash output level

Number of repeating flashes per frame

—In the example, at 1/8 flash output level, the flash will fire three times per frame at a frequency of 4 flashes per second.

Maximum number of repeating flashes per frame

Frequency*		Flash output level
	M1/8	M1/16	M1/32	M1/64
1-2 Hz	14	30	60	90
3 Hz	12	30	60	90
4 Hz	10	20	50	80
5 Hz	8	20	40	70
6 Hz	6	20	32	56
7 Hz	6	20	28	44
8 Hz	5	10	24	36
9 Hz	5	10	22	32
10 Hz	4	8	20	28
20-50 Hz	4	8	12	24

*Frequency (Hz) represents the number of flashes per second. The higher the number, the shorter the flash firing interval.

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