For more information about Tokina AT-X 14-20 F2 PRO DX go to: http://www.tokinalens.com/tokina/products/atxpro/atx1420f2prodx/
AT-X 14-20 F2 PRO DX is a wide-angle zoom lens with super-fast F2 aperture and designed for APS-C sensor DSLR cameras.
In this short video we tried to explain main concept and advantages of the Tokina AT-X 14-20 F2 PRO DX as a zoomable lens that has an optical performance equivalent to prime lens. Due to all-new proprietary optical design that uses three aspherical lens elements (2
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