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Kodak DCS Pro 14n User Manual

Page 155

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Flash Photography

April 29, 2004

10-5

Flash Shooting Distance
Range for the Built-in
Speedlight

The flash shooting distance range varies, depending on ISO and aperture.

ISO

100

200

400

800

Flash shooting

distance range (m)

Guide number

12

17

24

34

Aperture value

1.4

2

2.8

4

2 - 8.5

2

2.8

4

5.6

1.4 - 6

2.8

4

5.6

8

1 - 4.2

4

5.6

8

11

0.7 - 3

5.6

8

11

16

0.6 - 2.1

8

11

16

22

0.6 - 1.5

11

16

22

32

0.6 - 1.1

16

22

32

—

0.6 - 0.8

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.

See also other documents in the category Kodak Cameras: