| • Multiple Flash Exposure Modes 
 i-TTL Balanced Fill-Flash with compatible cameras (e.g. D40)
 Manual Flash with D-40 only
 .
 • Bounce Capability
 Flash head tilts up to 90°.
 
 • i-TTL
 Intelligent i-TTL system supports Advanced Wireless Lighting and is fully compatible with the latest digital SLR cameras.
 
 • Shooting Range
 The SB-400 has a flash shooting distance range of between 2' to 66' (depending on the camera's ISO setting).
 
 • Improved Safety
 Safety lock on flash shoe.
 
 Type Shoe mount 
 Guide No. 98' (30 m) at 18mm position (digital SLR format)
 
 Angle of Coverage 56° ( digital SLR format )
 
 Vari-Power No
 
 TTL Dedication Yes (i-TTL)
 
 Bounce Head Yes
 
 Swivel Head No
 
 Zoom Head No
 
 Off Camera Terminal No
 
 Recycle Time 2.5 Seconds with fresh alkaline batteries & full power
 
 Power Source 2x 1.5-Volt "AA" batteries
 
 Dimensions 2.6 x 2.2 x 3.1" (66 x 56 x 79mm) WxHxD
 
 Weight 4.5 oz (127 g) [w/o batteries]
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