Sigma 18mm - 250mm f/3.5-6.3 DC OS (Optical Stabilizer) HSM AF Lens Kit, for Pentax Digital SLR Cameras with Pro Optic 72mm Multi Coated UV Filter. Lens Cap Leash, Professional Lens Cleaning Kit

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

An extended range Zoom Lens with Hybrid Optical Stabilization and Hyper-Sonic Motor, Sigmas innovation is in the 18-250mm F3.5-6.3 DC OS HSM 13.8:1 extended range zoom lens. The Hybrid Optical Stabilizer, an anti-shake system providing image stabilization in both the camera body and viewfinder for Pentax, and Sony is offered only by Sigma.

This feature is significant as this system now allows the Sony and Pentax photographer to see the stabilized image in the viewfinder where in the past this was not possible. This is the worlds first optically stabilized lens available for Sony and Pentax digital cameras. It will allow them to do what they have never been able to do before. Its truly innovative.

The DC lens is a dedicated digital SLR camera lens suited for APS-C format, and HSM (Hypersonic Motor) ensures quiet and high speed AF as well as full time manual focusing capability. Four Special Low Dispersion glass elements and three Aspherical lens elements provide excellent image quality throughout the entire zoom range.