Sigma APO 200-500mm F2.8/400-1000mm EX DG lens | LetsGoDigital

Sigma APO 200-500mm F2.8/400-1000mm EX DG : This Sigma lens is the world’s first ultra telephoto zoom lens that offers a fast aperture of F2.8 at the 500mm focal length and F5.6 at the 1000mm. It covers widely used focal lengths from 200mm to 500mm and ha

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