Tokina AT-X 16-28mm F2.8 Pro FX Nikon

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Tokina AT-X 16-28mm F2.8 Pro FX Nikon

16-28mm f/2.8 Lens
Designed For Full Frame (FX) Nikon DSLRs
Silent DC Motor With GMR Sensor
15 Elements in 13 Groups
Aspherical, Super-Low Dispersion Glass
Easily Switch From Auto to Manual Focus

For the professional, a 16-28mm f/2.8 lens is almost a necessity, and this new AT-X 16-28mm F2.8 Pro FX Lens for Nikon from Tokina fills the bill very nicely. Designed specifically for Nikon pro level DSLRs with a full frame (FX) sensor (such as the Nikon D700 and D3x), this super wide-angle zoom has 15 elements in 13 groups, using aspherical and SD super-low dispersion glass elements to reduce chromatic aberration and give maximum resolution. The silent DC motor allows the lens to focus quickly and quietly and works with a GMR magnetic AF sensor to increase AF speed even more.

An exclusive One-Touch Focus Clutch mechanism allows switching quickly between auto focus and manual focus by snapping the focus ring forward for AF and back toward the camera for manual focus. And, it's possible to buy this lens without applying for a mortgage first.

Professional 16-28mm F/2.8 Lens
Designed for professional full frame (FX) Nikon DSLRs.
NEW Silent DC Motor With GMR Sensor
The 16-28 f/2.8 uses a newly developed silent DC motor that allows the lens to focus faster and more quietly then previous generations. 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, large size aspherical glass element is incorporated into the front lens group, while there are two more aspherical elements in the rear group. Three SD super-low dispersion glass elements are also incorporated throughout the optical design to reduce chromatic aberration, give maximum resolution, more even brightness and distortion correction.
One-Touch Focus Clutch
Tokina's exclusive One-touch Focus Clutch Mechanism allows the photographer to switch between AF and MF simply by snapping the focus ring forward for AF and back toward the camera to focus manually. There is no second AF/MF switch on the lens for Nikon, everything is accomplished by the focus ring

Performance
Focal Length 16 - 28mm
Aperture Maximum: f/2.8
Minimum: f/22.0
Camera Mount Type Nikon F
Format Compatibility Nikon FX/35mm Film
Nikon DX
Angle of View 107° - 76°
Minimum Focus Distance 11" (27.94 cm)
Magnification 0.19x
Maximum Reproduction Ratio 1:5
Elements/Groups 15/13
Diaphragm Blades 9
Features
Image Stabilization No
Autofocus Yes
Tripod Collar No
Physical
Filter Thread None
Dimensions (DxL) Approx. 3.54 x 5.25" (8.99 x 13.34 cm)
Weight 2.09 lb (950 g)