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Additional Information
49
GB
Additi
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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)
APS-C format (ISO100)
Power Level
Flash Coverage Settings (mm)
16* 24 28 35 50 70 105
1/1 13232325303542
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.
Power Level
Flash Coverage Settings (mm)
16* 24 28 35 50 70 105
1/1 13252630353842
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.
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