Sigma Corporation is pleased to announce the launch of the new 18-50mm F3.5-5.6. overall length of 67.5mm (2.6in.) and weight of only 245gr (8.6 ounces). It has a variable angle of view of 69.3degree~27.9degree. The use of aspherical lenses provides correction for various aberrations throughout the entire zoom range and produce high level of optical performance. 18-50mm F3.5-5.6 lens has a minimum focusing distance of 25cm (9.8in.) at all focal lengths and is capable of macro photography with a maximum magnification ratio of 1:3.5.