Compare Sigma 50mm f/2.8 EX Macro for Nikon AF-D to Tamron AF17-50mm f/2.8 Di-II LD Aspherical for Nikon

Step up to a new level of creativity with Sigma Lenses - and discover more ways to photograph your world.As the worlds largest independent manufacturer of zoom and fixed focal length lenses, Sigma offers an highly innovative and creative selection of lenses ranging from 8mm to 800mm and virtually everything in between. Also, most Sigma lenses are built with corresponding mounts to make them fully compatible with many of the worlds most popular camera bodies, including Sigma, Canon, Minolta, Nikon and Pentax. Less

The SP AF17-50mm F/2.8 is a lightweight, compact, fast standard zoom lens designed exclusively for digital SLR cameras, expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens. In addition, portrait shots are made beautiful with the natural out-of-focus effect characteristic provided by the fast F/2.8 aperture. Additionally, a broader photographic expression through the use of faster shutter speeds as a result of the maximum aperture offers enhanced photographic pleasure. The lens boasts one of the best close-up shooting performances in the class of fast standard zoom lenses designed exclusively for digital cameras and featuring an F/2.8 maximum aperture throughout the entire zoom range, to ensure stress-free photographic shots at all focal lengths and distances. Less