While offering the premier optics of the Art line, this lens covers 24mm, 28mm and 35mm focal lengths. Incredible performance overturns the conventional perception of a zoom lens. SIGMA was determined to create a zoom lens that offers the same brightness and resolution as a fixed focal length lens: in other words, the highest level of optical performance. It allows photographers to carry one lens to do the work of three fixed focal length lenses, a 24mm, 28mm and 35mm — with F2 brightness and top optical performance. One package delivers flexible functionality and high convenience. In particular, at the 24mm and 35mm focal lengths, this lens offers the performance that is equivalent to that of two prime lenses in the Art line. Instead of changing one high-performance fixed focal length lens for another, simply zoom. This is a new zoom lens for 35mm full frame sensor SLRs that offers the quality of a fixed focal length lens at various angles of view.
Sigma DG 24-35mm F2 HSM Art - Nikon Fit
Lens Construction 18 Elements in 13 Groups Angle of View (for SD1) 84.1 – 63.4 degrees Number of Diaphragm Blades 9 Blades (Rounded diaphragm) Minimum Aperture F16 Minimum Focusing Distance 28cm / 11.0in. Maximum Magnification 1:4.4 Filter Size Diameter 82mm Dimensions Diameter 87.6mm x Length 122.7mm / 3.4in. x 4.8in. Weight 940g / 33.2oz.