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Sigma 120-300mm 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 120-300mm F2.8 EX DG OS HSM lens The successor to the Sigma APO 120-300mm F2.8 EX DG HSM, introduced to market in July 2005, this new Sigma 120-300mm lens offers the latest optical design technology. This large aperture zoom lens features Sigma’s OS (Optical Stabilizer) function and weather-resistant design throughout for use in harsh conditions. One SLD and Two FLD glass elements are used for maximum correction of chromatic aberrations. The super multi-layer lens coating reduces flare and ghosting, and the lens design incorporates an inner focusing and inner zooming system to ensure sharp pictures throughout the entire zoom range.

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Sigma 120-300mm

Sigma 150mm macro lens

Posted by: Dennis Hissink Friday 24th, September 2010

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 fisheye lenses

Posted by: Dennis Hissink Tuesday 23rd, September 2008

Sigma is pleased to announce the launch of the 4.5mm F2.8 EX DC Circular Fisheye HSM the first Circular Fisheye lens exclusively for use with APS-C size digital SLR cameras and 10mm F2.8 EX DC Fisheye HSM diagonal fisheye lens exclusively for use with APS-C size digital SLR cameras for Sony and Pentax fitting cameras. This autofocus circular fisheye lens has an angle of view of 180 degrees in all directions. It is exclusively designed for digital SLR cameras with the APS-C size image sensor. When used in conjunction with digital SLRs with APS-C size image sensor, it produces circular image within the frame.

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Sigma Tele Converters

Posted by: Dennis Hissink Tuesday 23rd, September 2008

Sigma announces the new APO Tele Converter 1.4x EX DG and APO Tele Converter 2x EX DG for Sony mount. The new tele converters are capable of maintaining the HSM function of such telephoto lenses as Sigma’s APO 70-200mm F2.8 II EX DG MACRO HSM and APO 50-150mm F2.8 II EX DC HSM whilst increasing the focal length by a factor of 1.4x or 2x. Of course, the HSM AF compatibility depends on the capability of the Sony SLR camera to support this function and on the maximum F number of the attached lens. The Super Multi Layer Coating reduces flare and ghosting and the exclusive design maintains the master lens’ high level performance while extending its focal length. Compact and lightweight, these tele converters are a convenient way of increasing the focal length of HSM telephoto lenses.

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Sigma 50mm lens

Posted by: Dennis Hissink Tuesday 23rd, September 2008

This large aperture lens becomes a medium telephoto lens offering 100mm equivalent angle of view on Four Thirds cameras. The optimum optical design and molded glass aspherical lens elements provide excellent correction of coma aberration. It ensures superior peripheral brightness and provides sharp, high contrast images even at the maximum aperture. The Super Multi Layer Coating reduces flare and ghosting. Superior optical performance is ensured throughout the focusing range. The rounded 9 blades diaphragm creates an attractive blur. This lens incorporates HSM (Hyper Sonic Motor), ensuring a quiet and high speed AF as well as full time manual focusing capability.

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Sigma 24-70mm lens

Posted by: Dennis Hissink Tuesday 23rd, September 2008

The Sigma Corporation is pleased to announce the new Sigma 24-70mm F2.8 EX DG HSM lens. This large aperture standard zoom lens covers focal lengths from 24mm and is housed in compact construction. The latest optical design provides an overall length of 94.7cm /3.7inch. It is ideal for general photography such as snapshots, portraiture and landscapes. The Super Multi Layer Coating reduces flare and ghosting. ELD (Extraordinary Low Dispersion) glass, two SLD (Special Low Dispersion) glass elements and three aspherical lenses provide excellent correction of all types of aberrations. Superior optical performance is ensured throughout the entire zoom range.

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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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