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The Nikon Creative Lighting System (CLS)
Nikon’s advanced Creative Lighting System (CLS) offers improved
communication between the camera and compatible flash units
for improved flash photography.
❚❚CLS-Compatible Flash Units
The camera can be used with the following CLS-compatible flash
units:
• The SB-910, SB-900, SB-800, SB-700, SB-600, SB-400, and SB-R200:
• SU-800 Wireless Speedlight Commander: When mounted on a CLS-
compatible camera, the SU-800 can be used as a commander for
remote SB-910, SB-900, SB-800, SB-700, SB-600, or SB-R200 flash
units in up to three groups. The SU-800 itself is not equipped
with a flash.
Flash unit
SB-910
1
SB-900
1
SB-800 SB-700
1
SB-600 SB-400
2
SB-R200
3
Feature
Guide
No.
4
ISO 100 34/111 34/111 38/125 28/92 30/98 21/69 10/33
ISO 200 48/157 48/157 53/174 39/128 42/138 30/98 14/46
1 If a color filter is attached to the SB-910, SB-900, or SB-700 when v or N
(flash) is selected for white balance, the camera will automatically detect the
filter and adjust white balance appropriately.
2 Wireless flash control is not available with the SB-400.
3 Controlled remotely with built-in flash in commander mode or using optional
SB-910, SB-900, SB-800, or SB-700 flash unit or SU-800 wireless Speedlight
commander.
4 m/ft, 20 °C (68 °F), SB-910, SB-900, SB-800, SB-700, and SB-600 at 35 mm zoom
head position; SB-910, SB-900, and SB-700 with standard illumination.
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 (35mm 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).