Tokina 12-28mm f/4 AT-X 128 AF PRO DX SD
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(From Tokina lens literature) Kenko Tokina Co., Ltd. is pleased to announce the release of the AT-X 12-28 PRO DX (12-28mm F/4). This lens is the successor to the popular AT-X 124 PRO DX II.
Wide-angle to semi-standard zoom lens
As the successor of the AT-X 124 PRO DX II (12-24mm F/4), 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. We have provided a new optical design to match even the 20 mega-pixel DX sensors. In addition, we 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 autofocus 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.
Tokina 12-28mm f/4 AT-X 128 AF PRO DX SD User Reviews
9 out of 10 points and recommended by sflorio (8 reviews)Edge to edge sharpness, minimal light falloff at the edges, useful zoom rangeNo stabliization, not super sharp at 28mm
I got this for my Canon 60D. Excellent image quality across the entire frame, and the good zoom range means that you can leave it on the camera as a walkaround lens. Compared to my Sigma 17-70, which is a very good lens, I noticed that the edges of the Tokina were bright and clear without any compensation. I only wish that they made this for Sony so that I could put this on my A77 with its in-camera stabilzation, and then this lens would rule!!reviewed May 2nd, 2014 (purchased for $490)