Nikon SB-900 Flash unit : Nikon Europe introduced a brand-new flagship Speedlight - the Nikon Speedlight SB-900 - that offers exceptional high-speed, high-power operation combined with an extended zoom range. The Nikon Speedlight SB-900 flash unit incorporates a moving diffuser and light source that can zoom from 17mm to 200mm in just 1.2 seconds while maintaining an even light distribution. The versatile new flash provides a choice of three illumination patterns (centre-weighted / standard / even) that can be selected to suit a particular subject. The Nikon Speedlight SB-900 flash unit will be available as of 25th July 2008.