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Articles > Lens news Sep 28, 2006  23:40
Two renewed Sigma lenses

Sigma today announced two updated lenses from it's existing portfolio. Sigma 18-50mm F2.8 EX DC MACRO, extending new MACRO and Sigma 18-200mm F3.5-6.3 DC OS featuring new optical stabilizer integrated in lens.

Sigma 18-50mm F2.8EX DC MACROSigma 18-50mm F2.8EX DC MACRO
This lens has a large aperture of F2.8 throughout the entire zoom range, a minimum focusing distance of 20cm (7.9») and a maximum magnification of 1:3, making it ideal for close-up photography.

Specially designed to suit the characteristics of digital SLR cameras this lens provides a high level of optical performance.Its design incorporates both glass-mold and hybrid aspherical lens technology which offers superior peripheral brightness, extremely high image quality as well as a compact and lightweight construction.



Sigma 18-200mm F3.5-6.3 DC OSSigma 18-200mm F3.5-6.3 DC OS
New 18-200mm F3.5-6.3 DC OS lens. This high zoom ratio lens is exclusively designed for digital SLR cameras and is capable of covering a wide range of focal lengths from wide angle to telephoto.
It is equipped with Sigma’s own unique technology OS (Optical Stabilizer) function. This function uses two sensors inside the lens to detect vertical and horizontal movement of the camera and works by moving an optical image stabilizing lens group, to effectively compensate for camera shake. It automatically detects movement of the camera and compensates for camera shake when shooting moving subject such as motor sports. Two SLD(Special Low Dispersion)glass elements and two aspherical lenses provide excellent correction for all types of aberrations. The super multi-layer lens coating reduces flare and ghosting. This lens provides superior image quality throughout the entire zoom range. An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using circular polarizing filters and the petal-type lens hood supplied.
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