تماشای ویدئو Sigma 18 35mm f1.8 Review a GROUNDBREAKING Lens DigiDIRECT TV Ep 036 از آی-ویدئو

Blunty reviews the new, groundbreaking, Sigma 18-35mm F/1.8 DC HSM Art Lens. The Sigma 18-35mm 1.8 DC HSM is the first wide-angle to standard focal length zoom lens to achieve a large constant aperture of f/1.8. Designed specifically for APS-C sized sensors, the Sigma 18-35mm 1.8 DC HSM is truly a benchmark product. http://www.sigmaphoto.com/product/18-35mm-f18-dc-hsm-art "Sigma's 18-35mm f1.8 DC A Series features a fast, bright constant f/1.8 maximum aperture which is designed for use with APS-C-
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