299Technical NotesThe camera supports the Nikon Creative Lighting System (CLS)and can be used with CLS-compatible flash units. The built-inflash will not fire when an optional flash unit is attached.Flash Units Compatible with the CreativeLighting System (CLS)The camera can be used with the following CLS-compatible flashunits:• The SU-800 wireless speedlight commander: When mounted on aCLS-compatible camera, the SU-800 can be used as acommander for remote SB-910, SB-900, SB-800, SB-700,SB-600, or SB-R200 flash units in up to three groups. TheSU-800 itself is not equipped with a flash.Optional Flash Units (Speedlights)Flash unitSB-9101 SB-9001 SB-800 SB-7001 SB-600 SB-4002 SB-3002 SB-R2003FeatureGuideNo.4ISO 100 34/111 34/111 38/125 28/92 30/98 21/69 18/59 10/33ISO 200 48/157 48/157 53/174 39/128 42/138 30/98 25/82 14/461 If a color filter is attached to the SB-910, SB-900, or SB-700 when AUTO or N (flash) is selectedfor white balance, the camera will automatically detect the filter and adjust white balanceappropriately.2 Wireless flash control is not available.3 Controlled remotely using optional SB-910, SB-900, SB-800, or SB-700 flash unit or SU-800wireless 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.