AAperture, Sensitivity, and Flash Range

Flash range varies with sensitivity (ISO equivalency) and aperture.

 

 

Aperture at ISO equivalent of

 

 

 

Range

100

200

 

400

800

1600

 

3200

6400

m

 

ft.

1.4

2

 

2.8

4

5.6

 

8

11

0.7–8.5

 

2ft. 4in.–27ft. 11in.

2

2.8

 

4

5.6

8

 

11

16

0.6–6.0

 

2ft.–19ft. 8in.

 

 

 

 

 

 

 

 

 

 

 

 

2.8

4

 

5.6

8

11

 

16

22

0.6–4.2

 

2ft.–13ft. 9in.

4

5.6

 

8

11

16

 

22

32

0.6–3.0

 

2ft.–9ft. 10in.

 

 

 

 

 

 

 

 

 

 

 

 

5.6

8

 

11

16

22

 

32

—

0.6–2.1

 

2ft.–6ft. 11in.

 

 

 

 

 

 

 

 

 

 

 

 

8

11

 

16

22

32

 

—

—

0.6–1.5

 

2ft.–4ft. 11in.

11

16

 

22

32

—

 

—

—

0.6–1.1

 

2ft.–3ft. 7in.

 

 

 

 

 

 

 

 

 

 

 

 

16

22

 

32

—

—

 

—

—

0.6–0.8

 

2ft.–2ft. 7in.

The built-in flash has a minimum range of 0.6 m (2 ft.).

In mode P, the maximum aperture (minimum f-number) is limited according to ISO sensitivity, as shown below:

Maximum aperture at ISO equivalent of:

100

200

400

800

1600

3200

6400

2.8

3.5

4

5

5.6

7.1

8

If the maximum aperture of the lens is smaller than given above, the maximum value for aperture will be the maximum aperture of the lens.

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