Flash Shooting Distance Range For The Built-In Speedlight - Kodak DCS Pro 14n User Manual

Flash Shooting Distance
Range for the Built-in
Speedlight
April 29, 2004
The flash shooting distance range varies, depending on ISO and aperture.
ISO 100 200
Guide number 12
1.4
Aperture value
2.8
5.6
11
16
You can also calculate the maximum flash shooting distance by dividing
the guide number by the aperture value.
For example, with an aperture of f/2.8 and an ISO of 100, the maximum
flash shooting distance will be 12 / 2.8 = approximately 4.2 m.
400 800
17 24 34
2 2.8 4
2 2.8 4 5.6
4 5.6 8
4 5.6 8 11
8 11 16
8 11 16 22
16 22 32
22 32 —
Flash Photography
Flash shooting
distance range (m)
2 - 8.5
1.4 - 6
1 - 4.2
0.7 - 3
0.6 - 2.1
0.6 - 1.5
0.6 - 1.1
0.6 - 0.8
10-5