Sigma Corp. announced today its newest large aperture telephoto lens, the APO 50-150mm f2.8 EX DC HSM.

The Sigma 50-150mm lens, designed to match APS-C sized sensor DSLRs, is compatible with Sigma, Canon and Nikon bodies. Weighing approximately 1.72 pounds, the new lens is described as compact and lightweight in Sigma’s press release.

The lens has a minimum aperture of f22 and is composed of special low dispersion (SLD) glass to prevent chromatic aberration. The Sigma 50-150mm is compatible with Sigma’s 1.4x and 2x EX tele-converters.

THE SPECIFICATIONS (Sigma mount)
Focal Length: 50-150mm
Minimum Aperture: F22
Lens Construction: 18 Elements in 14 Groups
Angle of View: 27.9°-9.5°
Number of Diaphragm Blades: 9 pcs
Minimum Focusing Distance: 100cm (39.4”)
Maximum Magnification: 1:5.3
Filter Size: 67mm
Lens Hood: Bayonet Type
Dimensions: Diameter 76.3mm (3.0”)X Length 135.1mm(5.3”)
Weight: 770g/27.2oz

Sigma has not released pricing or availability information.