Flexible Control The built-in Speedlights of the D200, D70s or D70 serve as the system’s Master controller. Or, for non i-TTL cameras, the SC30 sync cord can be used for off-camera control. The SX-1 Attachment Ring can accept up to eight SB-R200s and can be attached to a tripod for remote lighting. Creative Lighting System Supports the Nikon Creative Lighting System (CLS) and compatible CLS cameras Built-in target light and AF Illuminator allows for proper position of Speedlight on the subject as well as autofocus operation in low light situations Accurate i-TTL flash control achieved through flash exposure monitoring control Can be set to one of three Speedlight Groups (A,B and C) Offers four independent channels for competitive shooting environments Auto FP High-Speed Sync; use with fast shutter speeds achieves effective blurring of out-of-focus background elements FV lock holds flash value, enabling recomposition prior to shooting Flash head tilts down (toward the optical axis) to 60° with click stops at every 15°, or up to 45° (in the opposite direction) with click stops at every 15°