Nikon d3s User Manual (en)

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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. The camera can be used with the 
following CLS-compatible flash units:
❚❚The SB-900, SB-800, 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-900, SB-800, SB-600, or 
SB-R200 flash units. The SU-800 itself is not equipped with a 
flash.
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
10/33
ISO 200
48/157
53/174
42/138
30/98
14/46
1 If a color filter is attached to the SB-900 when 
v or N (flash) is selected for 
white balance, the camera will automatically detect the filter and adjust white 
balance appropriately.
2 Controlled remotely with optional SB-900 or 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.
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).