Tokina AF 16-28mm f/2.8 AT-X PRO FX Lens for Nikon

The new ATX 16-28 is the forerunner of Tokina s new generation lenses designed for Professional Digital SLR Cameras including the Canon EOS 5D Mk2 and the Nikon D700 and D3X. The 16-28mm zoom range offers the photographer a super wide angle of view for dramatic close up effects or big takes of entire scenes. New silent DC motor with GMR sensor The Tokina 16-28 uses a newly developed silent DC motor that allows the lens to fast focus. The DC motor coupled with a new GMR magnetic AF sensor work together to increase AF speed. Aspherical and Super-low Dispersion glass elements A new 56mm diameter glass element is incorporated into the front lens group and 2 more aspherical elements in the rear group. 3SD super-low dispersion glass elements are also incorporated throughout the whole optical design. Features: Focal length 16-28mm Maximum aperture F2.38 Construction 12 elements in 13 groups Coating, multi layer Minimum focus distance .28 metres Angle of view 107.1 - 76.87 Reproduction ratio 1:5.26 Focusing mode, internal focusing Zoom mode, rotary zoom Aperture blades .8 Filter size, not applicable at present Lens width 90mm Lens length 133.3mm Weight 950g Mounts Canon and Nikon with Full Frame FX size sensors ...Contact us if you need more help.