Table of Contents
Advertisement
A
Aperture, Sensitivity, and Flash Range
Flash range varies with sensitivity (ISO equivalency) and aperture.
100
200
1.4
2
2
2.8
2.8
4
4
5.6
5.6
8
8
11
11
16
16
22
In mode P, the maximum aperture (minimum f-number) is limited
according to ISO sensitivity, as shown below:
100
2.8
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.
A
See Also
For information on:
• Locking flash value for a metered subject before recomposing a
photograph, see "FV Lock" (0 169).
• Enabling or disabling auto FP high-speed sync and choosing a flash
sync speed, see A > Custom Setting e1 (Flash sync speed, 0 265).
• Choosing the slowest shutter speed available when using the flash,
see A > Custom Setting e2 (Flash shutter speed, 0 265).
166
Aperture at ISO equivalent of
400
800 1600 3200 6400 12800
2.8
4
5.6
4
5.6
8
5.6
8
11
8
11
16
11
16
22
16
22
32
22
32
—
32
—
—
Maximum aperture at ISO equivalent of:
200
400
3.5
4
8
11
16
11
16
22
16
22
32
22
32
—
32
—
—
—
—
—
—
—
—
—
—
—
800
1600
5
5.6
Approximate range
m
ft
0.7–8.5 2ft 4in.–27ft 10in.
0.6–6.0
2ft–19ft 8in.
0.6–4.2
2ft–13ft 9in.
0.6–3.0
2ft–9ft 10in.
0.6–2.1
2ft–6ft 10in.
0.6–1.5
2ft–4ft 11in.
0.6–1.1
2ft–3ft 7in.
0.6–0.8
2ft–2ft 7in.
3200
6400
7.1
8
12800
10
Advertisement
Table of Contents
