A compact, lightweight Speed light with intuitive controls and bounce capabilities. Put it on... turn it on and shoot!

Features:

Compact, Lightweight Speedlight Unit

Perfect for anyone looking for more power and coverage than a built-in flash.

Flash Coverage

As wide as 18mm on Nikon DX-format digital SLR cameras.

Convenient Operation

Powered with two AA-size (1.5V) batteries.

Bounce Capabilities

Reduces background shadows and diffuses light for more pleasing results.

Simple, Intuitive Operation

Put it on, turn it on and shoot!

Great Flash Exposures Easily

Utilizing Nikon's i-TTL intelligent flash technology for accurate flash exposures.

Fast 2.5-second Recycling Time

Keeps you shooting quickly.

Versatile Shooting Range From 2 ft. up to 66 ft.

Provides flash power for distant subjects, group shots and close-up pictures.

Technical Specifications:

• 21 m/69 ft. (at ISO 100, 18mm zoom-head position, 20°C/68°F) to 30 m/98.4 ft. (at ISO 200, 18mm zoom-head position, 20°C/68°F)

• Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry

• i-TTL Balanced Fill-Flash with CLS compatible cameras 
• Manual
• Manual Flash (with Nikon Creative Lighting System digital and 35mm SLR cameras)
• Rear-curtain sync
• Red-eye reduction
• Red-eye reduction in Slow-sync
• Shooting options: FV Lock Flash
• Slow-sync

• Lens shift

Lens Coverage

• 18mm (DX-format)
• 27mm (on a Nikon F6)

Bounce Function (Tilt)

• Flash head tilts up to 90° with click-stops at 0°, 60°, 75°, 90°.

• 2.5 sec. (approx.) with Ni-MH batteries
• 3.1 sec. (approx.) with Oxyride™ batteries
• 3.9 sec. (approx.) with Alkaline batteries
• 4.2 sec. (approx.) with Lithium batteries

• 1/300 sec. at M 1/1 (full) output. (Approx.)

• Turn the SB-400 on and off using the ON/OFF switch.

• Two 1.5V or lower (Alkaline-manganese, Lithium, Oxyride) batteries
• Two 1.2V 2600mAh (Ni-MH rechargeable) batteries

• No

• Blinks: insufficient light, insufficient battery power, incompatibility of camera with SB-400 or overheating.

• Back

• 90/4–30 sec. (1000mAh NiCd)
• 140/3.9-30 sec. (1.5V Alkaline-manganese)
• 150/3.1-30 sec. (1.5V Oxyride™)
• 210/2.5-30 sec. (1.2V Ni-MH)
• 250/4.2-30 sec. (1.5V Lithium)

• No