Sigma 55 - 200MM Lens for Nikon SLR Camera 684-306 - This compact telephoto Zoom lens was exclusively designed for use with Digital SLR cameras. The image circle was designed to match the size of the image sensors of digital SLR cameras that also allows compact body and lightweight with overall length of 84.6mm (3.3in.), and weight of only 310g/10.9 ounces. It has a filter size of 55mm, maximum diameter of 70mm (2.7in.). This remarkably compact high performance zoom lens is ideally suited to a wide range of subjects. This lens has a minimum focusing distance of 110cm (43.3in.) and maximum magnification of 1:4. Digital cameras having image sensors larger than APS-C size, and 35mm cameras, should not be used with these lenses. If such cameras are used, severe vignetting in the images may result. The angle of view varies depending on the camera the lens is mounted on.

Sigma Corporation is pleased to announce the launch of the new 18-50mm F3.5-5.6 DC. This zoom lens was exclusively designed to suit the characteristics of digital SLR cameras. The image circle was designed to match the size of the image sensors of digital SLR cameras, and this produced a compact lens with a maximum diameter of 60mm (2.3in.), 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 DC 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.

Sigma 18-50mm F3.5-5.6 DC Lens for Canon SLR Digital Camera 521-101 - This Zoom lens was exclusively designed to suit the characteristics of digital SLR cameras. The image circle was designed to match the size of the image sensors of digital SLR cameras, and this produced a compact lens with a maximum diameter of 60mm (2.3in.), 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 DC 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.