The Nikon AF-S Nikkor 17-55mm f/2.8 G IF-ED DX was announced in 2004. It is a F-mount professional zoom lens with a constant fast aperture of f/2.8 designed for Nikon DX digital SLR cameras. Nikon have incorporated their Silent Wave Motor for silent auto focusing. The lens is made mostly of metal and the rubber sealed rear mount makes the lens partially dust and water resistant. Dimensions of the lens are 85.5 x 110.5mm. The filter size is 77mm and the lens weighs 755g.
It is now discontinued.
Specifications AF Yes Mount Type Nikon F-Bayonet Focal Length Range 17-55mm Maximum aperture 2.8 Minimum aperture22 Weight755g Dimensions (Approx.) 85.5 x 110.5mm (Diameter x Length) Diaphragm Blades 9 Filter diameter77mm Maximum Angle of View (DX-format) 79°° Minimum Angle of View(DX-format) 28°50' Maximum Reproduction Ratio 0.20x Lens Elements 14 Lens Groups10 Compatible Format(s)DXFX in DX Crop Mode Super Integrated Coating Yes ED Glass Elements 3 Aspherical Elements 3 Distance Information Yes AF-S (Silent Wave Motor) Yes Internal Focusing Yes Minimum Focus Distance 1.2 ft. (0.36m) Supplied Accessories HB-31 Hood CL-1120 Case77mm lens capRear lens capRRP - 2013 $1,539.95
See also List of Nikon compatible lenses with integrated autofocus-motor Nikon DX format
References http://www.nikon.com.au/en_AU/product_details.Nikkor17-55mm%20f2.8G%20IF-ED. http://store.mynikonlife.com.au/nikkor-lenses/nikkor-dx.html nikonusa./AF-S-DX-Zoom-Nikkor-17-55mm-2F2.8G-IF-ED.l