New Speedlight SB-800 with wireless i-TTL flash control evolves the technology beyond the D-TTL of the D1 series, and introduces features that include Advanced Wireless Lighting -- wireless remote control over multiple flashes, Flash Value Lock (FV Lock), AUTO FP High-Speed Sync, and Flash Color Information Communication. Also new is the Wide Area AF Assist Illuminator that is tailored to the new D2H\'s 11-area Multi-CAM 2000 AF Sensor Module. Additional features include a built-in wide flash adapter for 14mm wideangle lens coverage, GN 38/53 (ISO 100/200, at 35mm), and flash coverage from 24mm up to 105mm when using the Auto Zoom function (in 5mm zoom steps between 35 and 105mm).