Additional Information

Flash range

When using normal flash

You can get the correct flash range for normal photography, such as when using the program auto flash (P) or the manual flash (M), etc., by using the following guide number table and an ISO speed coefficient.

Guide number

35 mm-format or manual flash (ISO100)

Power Level

 

 

Flash Coverage Settings (mm)

 

 

 

 

 

 

 

 

 

 

16*

24

28

35

50

70

105

 

 

 

 

 

 

 

 

1/1

13

23

23

25

30

35

42

 

 

 

 

 

 

 

 

1/2

9.2

16.3

16.3

17.7

21.2

24.7

29.7

 

 

 

 

 

 

 

 

1/4

6.5

11.5

11.5

12.5

15.0

17.5

21.0

 

 

 

 

 

 

 

 

1/8

4.6

8.1

8.1

8.8

10.6

12.4

14.8

 

 

 

 

 

 

 

 

1/16

3.3

5.8

5.8

6.3

7.5

8.8

10.5

 

 

 

 

 

 

 

 

1/32

2.3

4.1

4.1

4.4

5.3

6.2

7.4

 

 

 

 

 

 

 

 

* When the wide panel is attached.

APS-C format (ISO100)

Power Level

 

 

Flash Coverage Settings (mm)

 

 

 

 

 

 

 

 

 

 

16*

24

28

35

50

70

105

 

 

 

 

 

 

 

 

1/1

13

25

26

30

35

38

42

 

 

 

 

 

 

 

 

1/2

9.2

17.7

18.4

21.2

24.7

26.9

29.7

 

 

 

 

 

 

 

 

1/4

6.5

12.5

13.0

15.0

17.5

19.0

21.0

 

 

 

 

 

 

 

 

1/8

4.6

8.8

9.2

10.6

12.4

13.4

14.8

 

 

 

 

 

 

 

 

1/16

3.3

6.3

6.5

7.5

8.8

9.5

10.5

 

 

 

 

 

 

 

 

1/32

2.3

4.4

4.6

5.3

6.2

6.7

7.4

 

 

 

 

 

 

 

 

* When the wide panel is attached.

Information Additional

49GB