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The following is an unedited press release, shown as received from the company represented. We've elected to present selected releases without editorial comment, as a way to provide our readers more information without further overtaxing our limited editorial resources. To avoid any possible confusion or conflict of interest, the Imaging Resource will always clearly distinguish between company-provided press releases and our own editorial views and content.

Sigma's APO 70-200mm F2.8 II EX DG MACRO HSM lens for Pentax and Sony. Courtesy of Sigma, with modifications by Michael R. Tomkins. PRESS RELEASE: Sigma launches APO 70-200mm F2.8 II EX DG MACRO HSM lens for Pentax and Sony

The Sigma Corporation is pleased to announce the launch of the APO 70-200mm F2.8 II EX DG MACRO HSM large aperture telephoto zoom lens for Pentax* and Sony* fittings.

This large aperture zoom lens has improved optical performance and retains close-up ability with a minimum focusing distance of 100cm/39.4in. SLD (Special Low Dispersion) and 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. 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. It is possible to attach optional Sigma APO teleconverters.

Case, Hood (LH850-01), Tripod Socket(TS-21)supplied

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

Lens Construction

18 Elements in 15 Groups
Angle of View 22.8 - 8.1 degrees
Number of Diaphragm Blades 9 Blades
Minimum Aperture F22
Minimum Focusing Distance 100cm/39.4 in.
Maximum Magnification 1:3.5
Filter Size Diameter 77mm
Lens Hood Petal-type Hood
Dimensions Diameter 86.5mm X Length 183.9mm
3.4 in. X 7.2 in.
Weight TBD
Corresponding AF Mounts SONY, PENTAX

* The appearance, specifications, and the like of the product are subject to change for improvement without notice.

(First posted on Thursday, January 31, 2008 at 19:11 EST)

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