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Sigma 150mm macro lens

Dennis Hissink
Photokina report
Friday 24th, September 2010
Posted by: Dennis Hissink

News report Photokina - Sigma is pleased to announce the new Sigma APO Macro 150mm F2.8 EX DG OS HSM lens. The Sigma 150mm Macro is a large aperture medium telephoto Macro lens which incorporates Sigma’s original Optical Stabilizer function. The successor to the Sigma APO Macro 150mm F2.8 EX DG HSM, introduced to market in October 2004, offers the latest optical design technology and weather-resistant design throughout for use in harsh conditions. A floating focusing system moves two different lens groups in the optical path to different positions. This system compensates for astigmatic aberration and spherical aberration and provides extremely high optical performance from infinity to 1:1 Macro.

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Sigma 150mm lens

Sigma 18-50mm F2.8 DC Macro lens

Posted by: Ilse Jurrien Tuesday 26th, September 2006

Sigma launched today a new Four-Thirds system compatible, large aperture zoom lens; Sigma 18-50mm F2.8 EX 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, makes 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-mould and hybrid aspherical lens technology which offers extremely high image quality as well as a compact and lightweight construction. Minimal vignetting and superior peripheral brightness is ensured.

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Sigma 24mm Aspherical Macro lens

Posted by: Ilse Jurrien Tuesday 26th, September 2006

Sigma launched a new Four-Thirds system compatible, large aperture wide-angle lens; Sigma 24mm F1.8 EX DG Aspherical Macro. This F1.8 wide-angle lens has a minimum focusing distance of 18cm (7.1”) and a maximum magnification of 1:2.7. Two aspherical lenses ensure the utmost correction of distortion and aberrations. The floating focus system provides high optical performance from 18cm to infinity. The Dual Focus (DF) system makes the lens easy to hold and eliminates focus ring rotation during auto-focusing, making the lens particularly suitable for accepting the petal-type lens hood. The introduction of this new lens increases Sigma's lens line-up for Four Thirds mount to a total of eleven models. With Four Thirds cameras, the focal length will be equivalent to 48mm.

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