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New Tokina AT-X 12-28 PRO DX

Posted on Jun 11, 2013 in News: Camera Accessories, Tokina

 

 

Wide-angle to semi-standard zoom lens

As the successor of the AT-X 124 PRO DX II, which has been loved by photo enthusiasts the world over for many years, the AT-X 12-28 has an increased telephoto focal length from 24 to 28mm for greater use and versatility.

Tokina have provided a new optical design to match even the 20 mega-pixel DX sensors. In addition, they also improved factors such as color balance and blur quality, also known as Bokeh. This lens is designed to match the power of high-megapixel sensors in a conventional wide-angle to semi-standard zoom.

 

Achieves higher image definition through the use of glass-moulded aspherical lens elements and inclusion of ultra-low dispersion glass 

An aspherical P-MO lens element is positioned in the front group. This, together with a moulded glass aspherical lens placed in the rear group, ideally corrects for aberrations while also correcting distortion. The use of SD glass (ultra-low dispersion glass) FK01 and FK03, which emulate fluorite glass in performance, aims to eliminate chromatic aberration.

 

New auto focus mechanism

The new AF control sensor in the lens is a “GMR (magnetic precision) sensor” capable of high-resolution auto focus is mounted close to the drive unit for better efficiency. Fast AF speed is achieved through the high-precision focus control. Furthemore, adoption of a newly developed “SD-M” (Silent Drive-Module) has greatly lowered the sounds emitted by the AF drive. The Nikon mount version has an auto focus motor built-in.

 

Compact body design with good handing

The size of the lens is the same as the AT-X 124 PRO DX II maintaining its very compact design. Through the use of a one-touch focus clutch AF/MF mechanism, just slide the manual focus ring forward for AF or rearward for MF operation. The lens has a good manual focus feeling as though the MF operation were damped for precise operation. 

 

Specifications of both AT-X 124 PRO DX II and AT-X 12-28 PRO DX lenses for Nikon are compared below:

  AT-X 124 PRO DX II AT-X 12-28 PRO DX
Focal Length (mm) 12-24 12-28
Optical Structure (mm) 13 elements, 11 groups 14 elements, 12 groups
Angle of View 99 - 61 Degrees 99.37 - 54.73 Degrees
Minimum Focus Distance (cm) 30 25
Maximum Macro Magnification 1:8 1:4.94
Minimum Aperture F/22
Maximum Aperture F/4
Number of Diaphragm Blades 9
Filter Size (mm) 77
Overall Length (mm) 89.5 90.2
Maximum Outer Diameter (mm) 84
Weight (g) 540 530
Lens Hood BH-777 BH-77B

 

Here are some high-resolution sample photos shot using the new lens with a Nikon D7000 Body:

 

 

 

 

 

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