SB-400 Speedlight Unit from Nikon

This product has been archived

Product Support

Key Features

Compact, Lightweight Speedlight Unit
Perfect for anyone looking for more power and coverage than a built-in flash.

Simple, Intuitive Operation
Put it on, turn it on and shoot!

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

Great Flash Exposures Easily
Utilizing Nikon's i-TTL intelligent flash technology for accurate flash exposures.

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

Fast 2.5-second Recycling Time
Keeps you shooting quickly.

Bounce Capabilities
Reduces background shadows and diffuses light for more pleasing results.

Versatile Shooting Range From 2 ft. up to 66 ft.
Provides flash power for distant subjects, group shots and close-up pictures.

LCD, Video and Photo Gallery images are for illustrative purposes only.

Tech Specs

Guide Number

21m/69ft. (at ISO 100, 18mm zoom-head position, 20°C/68°F) to 30m/98.4ft. (at ISO 200, 18mm zoom-head position, 20°C/68°F)
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°.
Approx. Dimensions (Width x Height x Depth)

(66 mm x)
(56.5 mm x)
(80 mm)
Approx. Weight (Without Batteries)

(128 g)

Specifications

Guide Number

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

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 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°.
Flash Duration

1/300 sec. at M 1/1 (full) output. (Approx.)
Required Power Source

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

Blinks: insufficient light, insufficient battery power, incompatibility of camera with SB-400 or overheating.
Approx. Dimensions (Width x Height x Depth)

(66 mm x)
(56.5 mm x)
(80 mm)
Approx. Weight (Without Batteries)

(128 g)

For a full list of the technical specifications please refer to the product manual.

Support

Product Registration

Registering your Nikon product allows us to send you (with your permission) important updates, service information and helpful hints, and it makes it easier should you ever need to call in for help.

Nikon Answers Site

We store all resolved problems in our solution database. If you can’t find a relevant answer, feel free to submit a question to our technical support team.

View Questions & Answers