Tokina AT-X 16.5-135mm DX Lens Press Release

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Huntington Beach, CA July 9, 2010: THK 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.

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

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.


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

US Pricing is TBA, Pricing not available yet. The lens is designed for digital cameras with full frame (FX= 24mmX36mm) sized CMOS and CCD sensors. It can be used on digital cameras with APS-C (DX) sizes sensors as well.

THK Photo Products, Inc. is the U. S. distributor for Tokina lenses, Hoya filters, Kenko photo accessories and SLIK camera support systems. THK provides marketing, sales, distribution, and technical/consumer service and support. THK is located in Long Beach, CA and on the Web at

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