Sigma 50-150mm and 70-200mm Lenses for Sony and Pentax

February 12, 2008 | Mark Goldstein | Lenses | Comment |

Sigma APO 50-150mm F2.8 EX DC HSMSigma have announced two new lenses for Sony and Pentax cameras - the 50-150mm f/2.8 EX DC HSM and 70-200mm f/2.8 II EX DG HSM. The Sigma 50-150mm is a large aperture telephoto zoom lens designed to match APS-C size image sensors. The Sigma 70-200mm lens is is suitable for taking all type of subjects such as portraits, landscape, and close-up pictures. The availability and price of both lenses is to be confirmed.

Sigma Press Release

Sigma announce two new lenses for Sony and Pentax cameras

50-150mm f/2.8 EX DC HSM
Compact, large aperture telephoto zoom lens incorporating the latest optical technology.

The Sigma Corporation is pleased to announce the launch of the new APO 50-150mm F2.8 EX DC HSM II lens for Sony and Pentax digital SLRs.

This large aperture telephoto zoom lens is designed to match APS-C size image sensors and its compact, lightweight body provides freedom of movement and versatility. The minimum focusing distance of 100cm/39.4in. and the high-resolution power layout have improved the strength of the lens in close-up photography.

This lens offers a large aperture of F2.8 and its large depth of field offers greater freedom of creative expression. It has a maximum aperture of F2.8. Four SLD glass elements are used for maximum correction of chromatic aberrations.

The super multi-layer lens coating reduce flare and ghosting and ensure sharp images throughout the entire zoom range. The lens design incorporates an inner focusing and inner zooming system. As the overall length of the lens does not change during focusing and zooming, convenient handling is ensured. The HSM (Hyper Sonic Motor) system allows quiet and high-speed auto focusing with full time manual focus override by just rotating the focusing ring.

The addition of the optional 1.4x EX DG APO or 2x EX DG APO Tele Converters produce a 70-210mm F4 AF tele-zoom lens and a 100-300mm F5.6 AF ultra-telephoto zoom lens respectively.

THE SPECIFICATIONS
Minimum Aperture F22 Minimum Focusing Distance 100cm
Lens Construction 18 Elements in 14 Groups Maximum Magnification 1:5.3
Angle of View 27.9°- 9.5° Filter Size 67mm
No. of Diaphragm Blades 9 pcs Lens Hood Bayonet Type
Weight 780g SRP £549.99
Dimensions Diameter 76.5mm x Length 140.2mm

* If the camera body does not support HSM motor, AF will not work.

70-200mm f/2.8 II EX DG HSM
Large aperture zoom lens with a minimum focusing distance of 100cm, and improved optical performance.

The Sigma Corporation is pleased to announce the launch of the new 70-200mm F2.8 II EX DG MACRO HSM lens for Sony and Pentax digital SLRs. 

This large aperture zoom lens has improved optical performance and retains close-up ability with a minimum focusing distance of 100cm and maximum magnification ration of 1:3.5. This lens is suitable for taking all type of subjects such as portraits, landscape, and close-up pictures.

Two SLD ?Special Low Dispersion? and three ELD (Extraordinary Low Dispersion) glass elements provide excellent correction for all types of aberrations. High image quality is assured throughout the entire zoom range. The super multi-layer coating reduces flare and ghosting.

This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focusing capability. The lens design incorporates an inner focusing and inner zooming systems. The overall length of the lens does not change during focusing and zooming, ensuring convenient handling.

A removable tripod collar (TS-21) is included as a standard component.

THE SPECIFICATIONS
Minimum Aperture F22 Minimum Focusing Distance 100cm
Lens Construction 18 Elements in 15 Groups Maximum Magnification 1?3.5
Angle of View 34.3°-12.3° Filter Size 77mm
No. of Diaphragm Blades 9 pcs Lens Hood Petal Hood
Weight 1370 grams SRP £799.99
Dimensions Diameter 86.5mm x Length 184.4mm

* If the camera body does not support HSM motor, AF will not work.



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