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 (2.3 in.), overall length of 67.5mm (2.6 in.) and weight of only 245g (8.6 oz.). It has a variable angle of view of 76.5 degree - 31.7 degree. 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 (9.8 in.) at all focal lengths and is capable of macro photography with a maximum magnification ratio of 1:3.5. 55-200mm F4-5.6 DC. 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 (3.3 in.), and weight of only 310g/10.9 oz. It has a filter size of 55mm, maximum diameter of 70mm (2.7 in.). 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 (43.3 in.) and maximum magnification of 1:4. more info

To maintain high optical performance from infinity to close-up 1: 1 (life-size) macro photos without accessories, the new Sigma 50mm f2.8 EX incorporates a floating element focusing system. Designed as a quick-focusing macro lens the AF speed of 50mm, f2.8 EX Macro is 1.4 times faster than previous 50mm f2.8 macros. It features a non-rotating front lens group, which makes it easier to work with polarizing filters and has a focus limiter. The Sigma 50mm f/2.8 EX Macro lens also features the new deluxe EX external finish. A handy screw type metal sunshade makes it easier to rotate a polarizing filter. more info

Exclusively designed to suit the characteristics of digital SLR cameras featuring APS-C size image sensor. The image circle was designed to match the size of the image sensors of most digital SLR cameras and this has resulted in a compact lightweight lens. The use of aspherical lenses provides correction for various aberrations and makes high quality images a reality throughout the entire zoom range.Compact-Lightweight zoom lens has a maximum diameter of 62mm, overall length of 67.5mm and weight of only 250gr (8.7 ounces) and filter size of 58mm. Compact dimensions offers superb handling and mobility. 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 zoom lens has a minimum focusing distance of 25cm at all focal lengths and is capable of macro photography with a maximum magnification ratio of 1: 3.5. The focus ring provides easy operation in manual mode. A distance scale on the focus ring is an easy to use and convenient addition. more info