23EnSpecificationsElectronicconstructionAutomatic Insulated Gate Bipolar Transistor (IGBT) and seriescircuitryGuide number(20ºC/68ºF)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 aNikon DX format camera, and a 27mm lens when mounted onan F6Flash shootingdistance range0.6m to 20m (2 to 66 ft.) (varies depending on the ISOsensitivity, angle of the flash head, and lens aperture in use)Flash mode i-TTL, M (manual, only with the D60 and D40-Series)CompatiblecamerasAll cameras compatible with CLSFlash exposurecontrol set on thecameraSlow-sync, Red-eye reduction, Red-eye reduction in slow-sync,Rear-curtain sync flash, FV Lock flash, manual flashBounce capability Flash head tilts up to 90º with click-stops at 0º, 60º, 75º, 90ºON/OFF switch Turn the SB-400 on and off using the ON/OFF switchWarning• Batteries should not be exposed to excessive heat such as strong sunshine, afire, or the like.• Dry batteries should never be recharged in a battery charger.• Do not expose the SB-400 to water as this may result in an electric shock orcause the unit to catch on fire.