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 - -, the firing will continue until the shutter closes or the battery is exhausted. The number of flashes will be limited as shown by the table below.

Maximum Stroboscopic Flashes

Flash

Hz

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

 

100

100

100

100

100

90

80

 

 

 

 

 

 

 

 

 

Flash

Hz

10

11

12 - 14

15 - 19

20 - 50

60 - 199

 

 

 

 

 

 

 

 

 

 

 

1/4

 

2

2

2

2

2

2

 

1/8

 

4

4

4

4

4

4

 

1/16

 

8

8

8

8

8

8

 

1/32

 

20

20

20

18

16

12

 

1/64

 

50

40

40

35

30

20

 

1/128

 

70

70

60

50

40

40

 

If the number of flashes is displayed as - -, the maximum number of flashes will be as shown by the table below regardless of the firing frequency.

Flash Output

1/4

1/8

1/16

1/32

1/64

1/128

Flash Count

2

4

8

12

20

40

25