Nikon SB-400 AF Speedlight

The SB-400 gives photographers the opportunity to enjoy brighter and more natural lighting for images taken using a flash. It is designed to suit entry-level Digital SLR users while also suitable for more experienced users. Those who have a camera within the D2 series will also benefit from the convenient portable flash unit. The SB-400 offers a guide number of 30 (ISO 200, m), and effortless bounce flash function and is controlled in i-TTL and the D40’s M (manual) mode.

Compact, lightweight Speedlight unit   Simple, intuitive operation; Put it on, turn it on and shoot!   18mm angle of coverage with Nikon DX format digital SLR cameras   Utilizes Nikon's i-TTL intelligent flash   Operates on two AA-size (1.5V) batteries   Fast 2.5 second recycling time   Bounce capabilities in 4 steps up to 90 degrees   Approximate guide number of 98.4 feet at ISO 200 (at 18mm zoom head setting)   Flash shooting distance range from 2 and up to 66 feet   Compatible with all Nikon Creative Lighting System cameras Electronic construction: Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry   Guide number: (at 18mm zoom-head position, 20 degrees C/68 degrees F) 30m/98.4ft. (ISO 200, m/ft)   Angle of coverage: Light distribution covers an 18mm lens when mounted on a Nikon DX format digital SLR camera (27mm lens when mounted on an F6 35mm SLR)   Flash shooting distance range: 2 to 66 feet (Varies depending on the ISO sensitivity, zoom-head position, and lens aperture in use)   Flash mode: i-TTL, M (manual with the D40 only )   Compatible cameras: All cameras compatible with Nikon Creative Lighting System   Flash exposure control set on the camera: Slow-sync, red-eye reduction, red-eye reduction in slow sync, rear-curtain sync flash, FV lock flash, manual flash (with Nikon Creative Lighting System digital and 35mm SLR cameras)   Bounce capability: Flash head tilts up to 90 degrees with click-stops at 0, 60, 75, 90 degrees.   Power Source: Two AA batteries (1.5V or lower)   Number of flashes/Recycling time (at full output with fresh batteries): Alkaline-manganese (1.5V) 140/3.9 sec. Lithium (1.5V) 250/4.2 sec. Oxyride (1.5V) 150/3.1 sec.Ni-MH rechargeable (1.5V, 2600 mAh) 210/2.5 sec.   Ready light: Lights up when the SB-400 is recharged and ready to fire; blinks to indicate: insufficient light; insufficient battery power; incompatibility of camera with SB-400; overheating   Flash duration: Approximately 1/1,300th second at full output   Mounting foot lever lock: Provides secure attachment of SB-400 to the camera accessory shoe with a mount pin to prevent accidental detachment   Dimensions (W x H x D): Approximately 2.6 x 2.2 x 3.1 inches   Weight (without batteries): Approximately 4.5 oz.   Included accessory: SS-400 Soft case   Specification Conditions: Performance specifications are applicable when fresh batteries are used at normal temperature (20 degrees C/68 degrees F)