D-5DWireless Multiple Flash-unit PhotographySB-5000 Wireless Multiple Flash-unit Photography Using OpticalControlWith the SB-5000, Advanced Wireless Lighting and direct remote wirelessmultiple flash-unit photography (remote mode only) are possible usingoptical control.• Advanced Wireless Lighting is recommended for standard multipleflash-unit photography.• Direct remote wireless multiple flash-unit photography is particularlysuited to photographing fast-moving subjects.Advanced Wireless Lighting• A Speedlight compatible with Advanced Wireless Lighting (SB-5000,SB-910, SB-700, SB-500, etc.) can be used as a remote flash unit.• Up to 3 groups of remote flash units (A, B, C) can be set up.• Single or multiple remote flash units can be allocated for 1 group.• The master flash unit and each remote flash unit group can operate witha flash compensation value that is different to the other flash units orgroups. In group flash mode, they can also operate with different flashmodes.