PMA 2009: Sigma Unveils 5 New Lenses

The Sigma Corporation has announced five new lenses at this year's Photo Marketing Association expo in Las Vegas. The lenses include the Sigma 10-20mm F3.5 EX DC HSM, Sigma 18-50mm F2.8-4.5 DC OS HSM, Sigma 50-200mm F4-5.6 DC OS HSM, Sigma 18-250mm F3.5-6.3 DC OS HSM and the 24-70mm F2.8 EX DG HSM.

Sigma 10-20mm F3.5 EX DC HSM

The Sigma 10-20mm F3.5 EX DC HSM is a super wide-angle lens that has an aperture of F3.5 throughout the entire zoom range. The wide-angle lens provides a 102.4 degree view. The lens has two ELD (Extraordinary Low Dispersion) glass elements and a SLD (Special Low Dispersion) glass element that correct color aberration. Four aspherical lenses provide correction for distortion and allow compact and lightweight construction and a Super Multi-layer coating minimizes flare and ghosting. The Hyper Sonic Motor (HSM) provides a quiet, high speed autofocus. The minimum focus distance is 24cm (9.4 inches) throughout the entire zoom range and the maximum magnification ratio is 1:6.6. The lens also has an inner focusing system that eliminates front lens rotation. This makes it ideal for a Petal-type hood, which blocks extraneous light and reduces internal reflection. The lens is not available just yet, but we will update as soon as it is.

Sigma 18-50mm F2.8-4.5 DC OS HSM

The Sigma 18-50mm F2.8-4.5 DC OS HSM is a large aperture standard zoom lens that features Sigma's Optical Stabilization system. The large aperture and the anti-shale functionality of the OS function make it perfect for indoor photography in low light conditions. The compensation for camera shake is visible in the viewfinder so the photographer can always ensure that the focus is accurate and there is no subject movement. The OS function will work with cameras that already have a stabilization function built into the body. There are two SLD (Special Low Dispersion) glass elements and three aspherical lenses that correct aberrations and a Super Multi-Layer Coating reduces flare and ghosting. This lens has a minimum focusing distance of 30cm (11.8 inches) throughout the entire zoom range and a maximum magnification ratio of 1:4.1. The Hyper Sonic Motor (HSM) provides quiet and quick autofocus. The lens is not available yet but we will update the following table as soon as it is.

Sigma 50-200mm F4-5.6 DC OS HSM

The Sigma 50-200mm F4-5.6 DC OS HSM is a compact high-performance telephoto zoom lens. It features Sigma's Optical Stabilizer function which eliminates the effects of camera shake not just in the image, but in the viewfinder as well. It allows for shutter speeds up to four stops slower than normal for hand-held photography. This function can be used with camera bodies that already have a built in anti-camera-shake functions. The lens incorporates SLD (Special Low Dispersion) glass in the front lens group and is equipped with an inner focusing system to provide high image quality throughout the entire zoom range. The inner focusing system eliminates front lens rotation, making it suitable for use with circular polarizing filters. It also has a Super Multi-Layer Coating reduces flare and ghosting. This lens has a minimum focusing distance of 110cm (43.3 inches) throughout the entire zoom range and a maximum magnification ratio is 1:4.5. This lens is not available yet but we will be updating as soon as the first deals appear.

Sigma 18-250mm F3.5-6.3 DC OS HSM

The Sigma 18-250mm F3.5-6.3 DC OS HSM was originally unveiled at Photokina 2008, but at PMA 2009 the Sigma Corporation announced its availability. The lens has a 13.8X zoom ratio and is equipped with Sigma's anti-shake compensation function, the Hybrid Optical Stabilizer. This stabilizer provides both an anti-shake function for the camera body and compensation for image shake in the viewfinder. The lens is built with four Special Low Dispersion glass elements and three aspherical lens elements that provide excellent image quality throughout the entire zoom range. This lens has a minimum focusing distance of 45cm (17.7 inches) at all focal lengths and a maximum magnification of 1: 3.4 reproduction ratio, making it ideal for close-up photography. An inner focusing system eliminates front lens rotation, making it suitable for use with circular polarizing filters and the supplied petal-type hood. The Super Multi-Layer Coating reduces flare and ghosting. This lens is available now from several retailers.

Sigma 24-70mm F2.8 EX DG HSM

The Sigma 24-70mm F2.8 EX DG HSM lens was also originally announced at Photokina 2008. At PMA 2009 the Sigma Corporation announced that the lens is now available for purchase. It is a large aperture standard zoom lens that incorporates a Hyper Sonic Motor that provides quiet, high speed autofocus as well as manual focus. The lens is ideal for general photography like snapshots, portraiture and landscapes. ELD (Extraordinary Low Dispersion) glass, two SLD (Special Low Dispersion) glass elements and three aspherical lenses provide excellent correction of all types of aberrations. A Super Multi-Layer Coating reduces flare and ghosting. The lens has a minimum focusing distance of 38cm/15in and a maximum magnification ratio of 1:5.3. A rounded 9 blade diaphragm creates an attractive blur. This lens is currently available for purchase from several retailers.

[via dpreview]

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