The Specs

Optics
Min Focal Length 17 mm
Min Focus Distance 14.2 in
Filter Size Supported 77 mm
Additional Specifications
Angle of View 79 to 28 degrees
Digital Format Yes
Max Aperture at Min Focal Length F/2.8
Min Aperture Value F/22
Quick Glance
Max Focal Length 55 mm
Lens Type Super Wide Angle
Max Aperture f/ 2.8 (Wide)
Compatible Camera Mount Digital SLR Camera: D1, D1X, D1H, D2H and D100
Other Features
Included Components Case|Lens Hood
Warranty
Warranty Information 5 Year Limited Warranty
More Info
URL http://www.nikon.com
Physical Specifications
Diameter 3.4 in
Weight 26.6 oz
Length 4.4 in

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