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Tokina releases the AT-X 16-28 F2.8 PRO FX lens

Tokina releases the new AT-X 16-28 F2.8 PRO FX lens, that features the newly developed SD-M (Silent Drive-Module). Using high-quiet DC motor and better sealing the quietness is further enhanced. The lens constitutes of 15 elements in 13 groups and has nine diaphragm blades. The angle of view is 107.11° -76.87° and the minimum focusing distance is 0.28m. The overall length is 133.3mm, the diameter 90.0mm and the lens weighs 950grams. The Tokina AT-X 16-28 F2.8 PRO FX is available for Canon and Nikon mounts...
Check-out the current line of Tokina lenses at Shopping.comTHK Photo Products, Inc., announces the Tokina AT-X 16-28 AF PRO, 16-28mm f/2.8 AF lens for digital cameras with full frame (FX) sensors.

This new Tokina lens is the first in a new generation of full frame (FX) lenses designed for professional digital SLR cameras like the Canon EOS 5D Mark II and the Nikon D700 and D3x. The 16-28 zoom range gives the professional photographer a super-wide angle of view to get close to subject for dramatic effect or to take in entire scenes.

NEW Silent DC Motor with GMR senor
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.

Ashperical and Super-low Dispersion glass elements
A new, 56mm in diameter, large sizes aspherical glass element is incorporated into the front lens group, while there are 2 more aspherical elements in the rear group. 3 SD super-low dispersion glass elements are also incorporated through-out 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 need to change the AF/MF switch on Nikon camera bodies* and there is no second AF/MF switch on the lens for Canon, everything is accomplished by the focus ring.


Specifications
Focal length  16-28mm
Maximum Aperture F2.8
Construction E/G 15 Elements in 13 Groups  
Coatings  Multi-layer  
Angle of View  107.11"-76.87°
Minimum Focus Dist 0.28m
Reproduction Ratio 1:5.26
Focusing Mode Internal Focusing  
Zoom Mode  Rotary Zoom  
Aperture Blades 8
Filter Size None
Lens Width 3.54 in. (90.0mm)
Lens Length 5.25 in. (133.3mm)
Weight  33.51 oz. (950g)  
Accessories  None
Mounts  Canon, Nikon (approx. delivery September for Nikon and October for Canon) for cameras with Full Frame FX sized sensors

Additional information: Check-out the current line of Tokina lenses at Shopping.com
July 6, 2010
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