Description
The Tokina AT-X 11-20mm F/2.8 PRO DX ultra-wide angle lens features an expanded telephoto zoom range and improved optical performance. The lens is designed for use with Canon and Nikon DSLR cameras with APS-C (DX) sensors. Tokina adds to its family of fast-aperture wide-angle zooms focused on providing photographers professional quality optics and construction at an affordable price. The fast F/2.8 aperture lens offers an equivalent 16.5-30mm* zoom range. The new proprietary optical design uses three aspherical lens elements (2 all-glass molded and 1 P-MO hybrid) to achieve superior contrast sharpness and correct for spherical aberrations. Additionally Tokina uses three SD (super-low Dispersion & ldquo FK01&rdquo and FK03&rdquo ) glass elements to control chromatic aberrations. This compact ultra wide-angle zoom lens has a bright constant F/2.8 aperture making viewing and auto focus possible in low light situations but still maintaining portable size and weight. Tokina & rsquo s exclu
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