Nikon D100 Product Manual - Page 119

Notes on Optional Speedlights Continued - test

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Taking Photographs-Flash Photography Using Built-in and Optional Speedlights Notes on Optional Speedlights (Continued) If an optional Speedlight with red-eye reduction is attached when the camera flash sync mode is set to red-eye reduction or auto with red-eye reduction, the red-eye reduction lamp on the optional Speedlight will be used. On Speedlights with a built-in AF assist illuminator (SB-series 80DX, 28DX, 28, 27, and 26), the AF-assist illuminator will only light if all of the following conditions are met: focus mode is set to single-servo auto, an AF-Nikkor lens is used, the subject is poorly lit, and the center focus area is selected or dynamic-area AF is used in combination with closest-subject priority. When the SB-24 is used with the SK-6 power bracket, neither the AF-assist illuminator on the Speedlight nor the camera AF-assist illuminator will light. In auto multi program, the maximum aperture (minimum f/-number) is limited according to sensitivity (ISO equivalency), as shown below: Maximum aperture at an ISO equivalent of 200 250 320 400 500 640 800 1000 1250 1600 4.8 5 5.3 5.6 6 6.3 6.7 7.1 7.6 8 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. Use the AS-15 accessory shoe adapter (available separately) when attaching flash accessories via a sync cable. If flash compensation is performed with an optional Speedlight, the flash compensation indicator will appear in the viewfinder, but the amount of flash compensation will not be displayed. When an SC-17 sync cable is used for off-camera flash photography, correct exposure may not be achieved in D-TTL mode. We recommend that you choose spot metering to select Standard TTL Flash for Digital SLR. Take a test shot and view the results in the monitor. TTL flash control can not be used for multi-flash photography. In D-TTL mode, use the flash panel provided with your Speedlight. Do not use other panels such as diffusion panels, as this may produce incorrect exposure. 107

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T
aking Photographs—Flash Photography
Using Built-in and Optional Speedlights
107
Notes on Optional Speedlights (Continued)
If an optional Speedlight with red-eye reduction is attached when the camera flash sync
mode is set to red-eye reduction or auto with red-eye reduction, the red-eye reduction
lamp on the optional Speedlight will be used.
On Speedlights with a built-in AF assist illuminator (SB-series 80DX, 28DX, 28, 27, and
26), the AF-assist illuminator will only light if all of the following conditions are met:
focus mode is set to single-servo auto, an AF-Nikkor lens is used, the subject is poorly
lit, and the center focus area is selected or dynamic-area AF is used in combination with
closest-subject priority.
When the SB-24 is used with the SK-6 power bracket, neither
the AF-assist illuminator on the Speedlight nor the camera AF-assist illuminator will
light.
In auto multi program, the maximum aperture (minimum f/-number) is limited accord-
ing to sensitivity (ISO equivalency), as shown below:
Maximum aperture at an ISO equivalent of
1600
8
200
4.8
250
5
320
5.3
400
5.6
500
6
640
6.3
800
6.7
1000
7.1
1250
7.6
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.
Use the AS-15 accessory shoe adapter (available separately) when attaching flash ac-
cessories via a sync cable.
If flash compensation is performed with an optional Speedlight, the flash compensa-
tion indicator will appear in the viewfinder, but the amount of flash compensation will
not be displayed.
When an SC-17 sync cable is used for off-camera flash photography, correct exposure
may not be achieved in D-TTL mode.
We recommend that you choose spot metering to
select Standard TTL Flash for Digital SLR.
Take a test shot and view the results in the
monitor.
TTL flash control can not be used for multi-flash photography.
In D-TTL mode, use the flash panel provided with your Speedlight.
Do not use other
panels such as diffusion panels, as this may produce incorrect exposure.