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Tokina at-X PRO 12-28 F4 DX Lens for Nikon, TKATX1228DXN
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*Packaging of actual item may differ from photo shown
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Tokina at-X PRO 12-28 F4 DX Lens for Features
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Intended for sale within the USA - 3 Year Limited Tokina Warranty
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One-touch Focus Clutch
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Silent Drive-Module
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Rubber Sealing Mount
About Tokina At-X PRO 12-28 F4 DX Lens For
The Tokina AT-X 12-28 mm F/4 lens has a super-wide to standard zoom range while maintaining a constant fast f/4.0 aperture. This makes it a very versatile lens for different photo applications such as scenery, street scenes photography and event coverage. The lens is designed for DSLR cameras with APS-C (DX) sized sensors. The optical design uses aspherical elements and super-low dispersion glass matches even the highest mega-pixel DX sensors cameras available. One aspherical lens element is positioned in the front group. This together with another precision moulded glass aspherical lens element placed in the rear group ideally focuses marginal light rays and maintains sharpness at the edges while also correcting distortion. The use of two different SD (Super-low Dispersion) glass elements, typeFK01 and FK03, corrects chromatic aberration. The combination of these specialised elements in the optical design yield excellent sharpness and colour. The AF "GMR magnetic precision" control sensor is capable of fastauto-focus. Tokina placed the sensor closer to the drive unit in the lens for faster communication between the controller and AF motor. This combined with the motor's high-precision focus control yields fast, accurate auto-focus. Additionally, the "SD-M" (Silent Drive-Module) has highly lowered the sounds emitted by the auto focus drive system allowing for much quieter AF. Both Canon and Nikon mounts have a built-in AF motor. The Tokin AT-X 12-28 mm F/4 compact design makes the lens easy to carry and handle. Manual focus is achieved through Tokina's one-touch focus clutch AF/MF mechanism. Simply slide the manual focus ring forward for auto-focus or back for manual focus operation. The lens focus ring is damped in the manual mode for smooth and precise focusing.
