Tokina 12-28mm F/4 Pro DX AT-X (Canon)

Tokina AT-X 412-28 The Tokina AT-X 12-28mmF4lens has a super-wide to standard zoom range while maintaining a constant fast f4.0 aperture. This makes ita 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. A optical design using aspherical elements and super-low dispersion glass matches even the highest mega-pixel DX sensors cameras available today. One asphericallenselement is positioned in the front group. This together with another precision molded glass aspherical lens element placed in the rear group ideally focuses marginal light rays andmaintains sharpness at the edgeswhile also correcting distortion. The use of two different SD(Super-low Dispersion)glass elements,typeFK01 and FK03,correctschromatic aberration. The combination of all these specialized elements in the optical design yield excellent sharpness and color.