Nikon SB-900 Speedlight provides Nikon digital SLR photographers with a flash capable of a wide zoom range, increased versatility, faster recycling time, and a wealth of intelligent features to enhance the already vast functionality of the Nikon Creative Lighting System (CLS)

The SB-900 offers a zoom range coverage from 17 to 200mm, three light patterns; "Center-weighted" provides the highest guide number "Standard" provides a familiar pattern, similar to the SB-800 and "Even" which delivers the most consistent edge-to-edge coverage, and an advanced wireless i-TTL capabilities allowing the utilization of multiple Speedlights.

For the first time, Nikon SB-900 Speedlight users will have the ability to take advantage of future performance advancements. The user will be able to download the firmware onto a flash media card and upload it to the flash unit through select digital SLR cameras.

Features:
- Nikon's Flagship Creative Lighting System Speedlight
- Control up to 3 remote Speedlight groups and an unlimited number of compatible Speedlights
- Streamlined controls and menus
- FX/DX format identification
- Expanded Auto Power Zoom Coverage from 17-200mm in FX-format
- Choose from 3 light distribution patterns
- User-updateable firmware with D3 and D700
- Colored gel filter identification with D3 and D700
- Overheat protection
- Drip-proof mounting foot cover for enhanced moisture protection