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❚❚CLS-Compatible Flash Units
The camera can be used with the following CLS-compatible flash units:
• The SB-900, SB-800, SB-600, SB-400, and SB-R200:
• The SU-800 wireless speedlight commander: When mounted on a CLS-compatible
camera, the SU-800 can be used as a commander for remote SB-900, SB-800, SB-
600, or SB-R200 flash units.
The SU-800 itself is not equipped with a flash.
The following features are available with the above flash units:
Flash unit
SB-900
1
SB-800 SB-600 SB-400 SB-R200
2
Feature
Guide
No.
3
ISO 100 34/111 38/125 30/98 21/69 10/32
ISO 200 48/157 53/175 42/138 30/98 14/49
1 If a color filter is attached to the SB-900 when AUTO or N (flash) is selected for white balance, the
camera will automatically detect the filter and adjust white balance appropriately.
2 Controlled remotely using optional SB-900, SB-800 flash unit or SU-800 wireless Speedlight
commander.
3 m/ft., 20 °C (68 °F), SB-900, SB-800 and SB-600 at 35 mm zoom head position; SB-900 with standard
illumination.
Flash unit
SB-900
SB-800
SB-600 SB-400
Advanced Wireless Lighting
Commander Remote
Flash mode/feature
SB-900
SB-800
SU-800
1
SB-900
SB-800
SB-600 SB-R200
i-TTL i-TTL balanced fill-flash for digital SLR
2
✔
3
✔
3
✔
4
✔✔✔✔✔
AA Auto aperture
2
✔
5
——✔
6
✔
6
✔
6
——
A Non-TTL auto ✔
5
——✔
6
— ✔
6
——
GN Distance-priority manual ✔ ———————
MManual ✔✔✔
7
✔✔✔✔✔
RPT Repeating flash ✔ ——✔✔✔✔—
AF-assist for multi-area AF
2
✔✔— ✔✔———
Flash Color Information Communication ✔✔✔✔————
REAR Rear-curtain sync ✔✔✔✔✔✔✔✔
Y Red-eye reduction ✔✔✔✔————
Auto zoom ✔✔— ✔ ————
Auto ISO sensitivity control (0 149) ✔✔✔—————
1 Only available when SU-800 is used to control other flash units.
2CPU lens required.
3 Standard i-TTL flash for digital SLR is used with spot metering or when selected with flash unit.
4 Standard i-TTL flash for digital SLR is used with spot metering.
5 Selected with flash unit.
6Auto aperture (AA) is used regardless of mode selected with flash unit.
7Can be selected with camera.
A Guide Number
To calculate the range of the flash at full power, divide the Guide Number by the aperture.
For example, at ISO 100 the SB-800 has a Guide Number of 38 m or 125 ft. (35 mm zoom head
position); its range at an aperture of f/5.6 is 38÷5.6 or about 6.8 meters (or in feet,
125÷5.6=approximately 23 ft. 7 in.).
For each twofold increase in ISO sensitivity, multiply
the Guide Number by the square root of two (approximately 1.4).