
28
F ore x a m ple, if y o u w i s h t o r e a
s e r ie s of a s h e s t h a t l a s t s for
0.5 s e c o n d ataf r e q u e n c y of10 ti m e s
p e r s e c o n d (i.e., 10H z), t h e n u m b e r of
a s h e s w o u l d b e 5.
Si m i l a rl y ifyo u w i s h t o r e
10 a s h e s a t a f r e q u e n c y of 10 0H z,
t h e a s h s e r i e s w o u l d l a s t for
0.1 s eco nd.
T h e a s h s e r i e s d u r ati o n i s u s u a l l y
e q u a l t o t h e s h utt e r s p e e d. H o w e v e r,
itmaybenecessarytousealonger
shutterspeedthatexceedstheash
series duration in order to expose
fora m bi e n t li g h t. A lt e r n a tivel y, it
maybenecessarytouseashorter
s h u tters p e e d, a n d a slig h tl y lo n g e r
s e r ie s d u r atio n a s a s a fetym a r g i n.
Refer to the table below for the
m a x i m u m n u m b e r of a s h e s a n d a s h
frequencies supported by each power
level.
Maximum Number of Multi Flashes
Hz
Power
1 2 3 4 5 6-7 8-9
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 99 99 99 99 99 90 80
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