Guide for Nikon Speedlight SB-400

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Main Features

-Compatible with i-TTL and D40’s M mode
-Flash head can be tilted in 4 steps; horizontal, 60, 75 and 90 degrees
-Flash shooting distance range: 0.6m - 20m (depends on the ISO setting)
-Guide number: 30 [ISO 200, m, 20°C]
-Angle of coverage: 18mm (with Nikon-DX format cameras), 27mm (with Nikon F6)
-Depending on the camera in use, the following flash modes are available: Slow Sync, Red-eye Reduction, Red-eye Reduction with Slow Sync, Rear-curtain Sync, FV Lock, exposure compensation, M (manual, only with D40 camera)
-Power source: two AA-size 1.5V batteries (also compatible with lower voltage batteries)

Note: SB-400 cannot be used with cameras not compatible with Nikon Creative Lighting System. SB-400 is not compatible with Advanced Wireless Lighting. Specifications

Electronic construction
Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry

Guide number (20°C/68°F)
30/98.4 (ISO 200, m/ft), 21/69 (ISO 100, m/ft)

Angle of coverage
Light distribution covers an 18mm lens when mounted on a Nikon DX format camera and a 27mm lens when mounted on an F6

Flash mode
i-TTL, M (manual, only with the D40)

Recycling time
Approx. 3.9 sec. with alkaline-manganese batteries

Number of flashes
Approx. 140 times with alkaline-manganese batteries

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 D40 camera)

Bounce capability
Flash head tilts up to 90° with click-stops at 0°, 60°, 75°, 90°
ON/OFF switch
The ON/OFF switch turns the SB-400 on and off

Power source
Two AA-size alkaline-manganese (1.5V), lithium (1.5V), Oxyride (1.5V) or Ni-MH (2600 mAh) (rechargeable) (1.2V) batteries

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/overheatin

Flash duration
Approx. 1/1300 sec. 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)
Approx. 66 x 56.5 x 80mm (2.6 x 2.2 x 3.1 in.)

Weight (without batteries)

Approx. 127g (4.5 oz.)

Included accessories

SS-400 Soft Case

These performance specifications are applicable when fresh batteries are used at normal temperature (20°C/68°F).Specifications and design are subject to change without notice.Oxyride Battery is a registered trademark of Matsushita Electric Industrial Co., Ltd. Products and brand names are trademarks or registered trademarks of their respective companies. Specifications and equipment are subject to change without any notice or obligation on the part of the manufacturer. November 2006©2006 Nikon Corporation