2008 Photo Marketing Association Tradeshow
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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 50-150mm F2.8 II EX DC HSM lens for Pentax and Sony. Courtesy of Sigma, with modifications by Michael R. Tomkins. PRESS RELEASE: Sigma launches APO 50-150mm F2.8 II EX DC HSM lens for Pentax and Sony


The Sigma Corporation is pleased to announce the launch of the APO 50-150mm F2.8 II EX DC HSM compact, lightweight, large aperture telephoto zoom lens for Pentax* and Sony* fittings.

This F2.8 large aperture telephoto zoom lens is designed exclusively for digital SLR cameras with APS-C size sensors and its compact, lightweight body provides freedom of movement and versatility. The super multi-layer coating reduces flare and ghosting and ensures sharp images throughout the entire zoom range. 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.

Case, Hood (LH732-01) is supplied

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

Lens Construction

18 Elements in 14 Groups
Angle of View 31.7 - 10.8 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 67mm
Lens Hood Petal-type Hood
Dimensions Diameter 76.5mm X Length 139.7mm
3 in. X 5.5 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 19:06 EST)

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