Nikon 29842-9425-19 D80 User's Manual - Page 153

Flash Control, Shutter Speeds Available with the Built-in Flash, Aperture, Sensitivity

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Flash Control ( 42, 120) The following types of flash control are supported when a CPU lens is sued in combination with the built-in flash or optional SB-800 or SB-600 Speedlights. • i-TTL Balanced Fill-Flash for Digital SLR: Flash output is adjusted for a natural balance between the main subject and the background. • Standard i-TTL Fill-Flash for Digital SLR: Flash output is adjusted for the main subject; the bright- ness of the background is not taken into account. Recommended for shots in which the main subject is emphasized at the expense of background details, or when exposure compensation is used. Standard i-TTL flash control is used with spot metering or when selected with the optional Speedlight. i-TTL balanced fill-flash for digital SLR is used in all other cases. Shutter Speeds Available with the Built-in Flash The following shutter speeds are available when the built-in flash is used. Mode , , P *, A * Shutter speed s Mode Shutter speed 1 s s S, M s * Slowest shutter speed at which flash will be used can be selected using Custom Setting 24 (Flash shutter speed). Flash will still fire at shutter speeds as slow as 30 s when set to slow sync. Aperture, Sensitivity, and Flash Range Flash range varies with sensitivity (ISO equivalency) and aperture. Aperture at ISO equivalent of 100 125 160 200 250 320 400 500 640 800 1000 1200 1600 m 1.4 1.6 1.8 2 2.2 2.5 2.8 3.2 3.5 4 4.5 5 5.6 1.0-9.2 2 2.2 2.5 2.8 3.2 3.5 4 4.5 5 5.6 6.3 7.1 8 0.7-6.5 2.8 3.2 3.5 4 4.5 5 5.6 6.3 7.1 8 9 10 11 4 4.5 5 5.6 6.3 7.1 8 9 10 11 13 14 16 5.6 6.3 7.1 8 9 10 11 13 14 16 18 20 22 0.6-4.6 0.6-3.2 0.6-2.3 7 9 10 11 13 14 16 18 20 22 25 29 32 0.6-1.6 11 13 14 16 18 20 22 25 29 32 - - - 0.6-1.1 16 18 20 22 25 29 32 0.6-0.8 Range ft. 3 ft. 3 in.-30 ft. 2in. 2 ft. 4 in.-21 ft. 4in. 2 ft.-15 ft. 1in. 2 ft.-10 ft. 6in. 2 ft.-7 ft. 7in. 2 ft.-5 ft. 3in. 2 ft.-3 ft. 7in. 2 ft.-2 ft. 7in. In the following modes, the maximum aperture (minimum f/-number) is limited according to ISO sensitivity when the built-in flash is used: Maximum aperture at ISO sensitivity of Mode P, , , 100 125 160 200 250 320 400 500 640 800 1000 1250 1600 4 4.2 4.5 4.8 5 5.3 5.6 6 6.3 6.7 7.1 7.6 8 5.6 6 6.3 6.7 7.1 7.6 8 8.5 9 9.5 10 11 11 For each one-step increase in sensitivity (e.g., from 200 to 400), aperture is stopped down by half an f/-stop. 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. Technical Notes / Appendix 141

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141
Technical Notes / Appendix
Flash Control (
42, 120)
The following types of flash control are supported when a CPU lens is sued in combination
with the built-in flash or optional SB-800 or SB-600 Speedlights.
•
i-TTL Balanced Fill-Flash for Digital SLR
: Flash output is adjusted for a natural balance between
the main subject and the background.
•
Standard i-TTL Fill-Flash for Digital SLR
: Flash output is adjusted for the main subject; the bright-
ness of the background is not taken into account.
Recommended for shots in which the
main subject is emphasized at the expense of background details, or when exposure com-
pensation is used.
Standard i-TTL flash control is used with spot metering or when selected with the optional
Speedlight.
i-TTL balanced fill-flash for digital SLR is used in all other cases.
Shutter Speeds Available with the Built-in Flash
The following shutter speeds are available when the built-in flash is used.
Mode
Shutter speed
Mode
Shutter speed
,
,
P
*
,
A
*
/–/ s
/–1 s
/–/ s
S
,
M
/–/ s
* Slowest shutter speed at which flash will be used can be selected using Custom Setting 24 (
Flash
shutter speed
).
Flash will still fire at shutter speeds as slow as 30 s when set to slow sync.
Aperture, Sensitivity, and Flash Range
Flash range varies with sensitivity (ISO equivalency) and aperture.
Aperture at ISO equivalent of
Range
100
125
160
200
250
320
400
500
640
800
1000
1200
1600
m
ft.
1.4
1.6
1.8
2
2.2
2.5
2.8
3.2
3.5
4
4.5
5
5.6
1.0–9.2
3 ft. 3 in.–30 ft. 2in.
2
2.2
2.5
2.8
3.2
3.5
4
4.5
5
5.6
6.3
7.1
8
0.7–6.5
2 ft. 4 in.–21 ft. 4in.
2.8
3.2
3.5
4
4.5
5
5.6
6.3
7.1
8
9
10
11
0.6–4.6
2 ft.–15 ft. 1in.
4
4.5
5
5.6
6.3
7.1
8
9
10
11
13
14
16
0.6–3.2
2 ft.–10 ft. 6in.
5.6
6.3
7.1
8
9
10
11
13
14
16
18
20
22
0.6–2.3
2 ft.–7 ft. 7in.
7
9
10
11
13
14
16
18
20
22
25
29
32
0.6–1.6
2 ft.–5 ft. 3in.
11
13
14
16
18
20
22
25
29
32
—
—
—
0.6–1.1
2 ft.–3 ft. 7in.
16
18
20
22
25
29
32
—
—
—
—
—
—
0.6–0.8
2 ft.–2 ft. 7in.
In the following modes, the maximum aperture (minimum f/-number) is limited according
to ISO sensitivity when the built-in flash is used:
Mode
Maximum aperture at ISO sensitivity of
100
125
160
200
250
320
400
500
640
800
1000
1250
1600
P
,
,
,
4
4.2
4.5
4.8
5
5.3
5.6
6
6.3
6.7
7.1
7.6
8
5.6
6
6.3
6.7
7.1
7.6
8
8.5
9
9.5
10
11
11
For each one-step increase in sensitivity (e.g., from 200 to 400), aperture is stopped down by
half an f/-stop.
If the maximum aperture of the lens is smaller than given above, the maxi-
mum value for aperture will be the maximum aperture of the lens.