Nikon Telephoto 400mm f/2.8 D IF-ED Silent Wave Motor AF-S Auto Focus Lens (52)

Nikkor 400mm F/2.8D ED IF is a high-performance ultra telephoto prime lens designed for Nikon F mount cameras. The internal focusing lens employs the Silent Wave Motor to drive the focusing mechanism to deliver smooth, silent and semi-instantaneous autofocusing. Featuring lens construction of 11 elements in 9 groups, including 3 Extra-low Dispersion (ED) glass elements to reduce chromatic aberrations. Its 9-blade round diaphragm creates a natural blur for out-of-focus background. Offering approximately 12.47 feet close focusing distance during AF operation provides 1:8.3 magnification ratio. In addition, the lens has M/A mode for swift changes between manual and autofocus operation.

Focal Length: 400mm
Aperture Maximum: f/2.8
Aperture Minimum: f/22
Camera Mount Type: Nikon F
Format Compatibility: FX, DX
Angle of view: 6°10 / 4° DX
Minimum Focus Distance: 3.8m
Elements/Groups: 11/9 (3 ED glass elements)
Diaphragm Blades: 9 rounded
Vibration Reduction: No
Autofocus: Yes
Tripod Collar: Yes
Filter Thread: 52mm
Dimensions: 159.5 x 351.5mm (360mm max length)
Weight: 4800g (10.58lbs)