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Sigma 50-200mm f/4.0-5.6 DC IF SLD Optical Stabilized (OS) Lens with Hyper Sonic Motor (HSM) for Pentax Digital SLR Cameras 686109 / 686-109 + UV Filter + Care Package Optical Stabilization: Sigmas own OS System. With Inner Focusing System: Eliminates front lens rotation; suitable for use w/circular polarizing filters Pentax: Original Anti-Shake function for camera body and viewfinder The lens incorporates SLD (Special Low Dispersion) glass in the front lens groups and is equipped with an inner focusing system to provide high image quality throughout the entire zoom range Kit includes All Brand New Items with all Manufacturer-supplied Accessories + Full USA WarrantiesExtra Description
Style: Pentax Digital SLR Cameras This compact high-performance telephoto zoom lens incorporates Sigma’s own Optical Stabilizer function. The lens incorporates SLD (Special Low Dispersion) glass in the front lens groups and is equipped with an inner focusing system to provide high image quality throughout the entire zoom range. The incorporation of HSM (Hyper-Sonic Motor) ensures quiet and high-speed auto focus. The OS (Optical Stabilizer) function effectively eliminates the effects of camera shake so subjects can be easily and clearly seen in the viewfinder as well as in the image. It allows the use of shutter speeds up to 4 stops slower than normal for steadyc handheld photography. For Sony and Pentax mounts the built-in OS System allows the photographer to see the stabilized image in the viewfinder and can be used as an alternative with cameras having built-in image stabilization. The Super Multi-Layer Coating reduces flare and ghosting and provides high contrast images throughout the entire zoom range. This lens has a minimum focusing distance of 43.3inches (110cm) throughout the entire zoom range and a maximum magnification ratio of 1:4.5. An inner focusing system eliminates front lens rotationc making it suitable for use with circular polarizing filters.
I just bought this lens for my D5000 and it is great! The picture qualityc focus speedc and size is comparable with the Nikon 55-200 f/4-5.6 VRc but for half the price and with a metal mounting plate! Alsoc its about 1/4 the price of the new Nikon 55-300 f/4.5-5.6 VR lens which is biggerc heavierc and it focus speed is veryc very slow. This lens is a great companion to the Sigma 18-50 f/2.8-4.5 OS HSM lensc which I have and like as well. br brThere are plenty of reviews talking about the picture quality of this lensc so I just want to add something different that others have missed talking aboutc which is the design of the lens hood. The hood was designed to be a part of the lens and actually used with the lensc not just a afterthought or add-on bonus. It has the same finish of the lensc and it fits perfectly on the lens when in use and when it is backwards for storage. The way the lens is tapered towards the end allows the hood to be stored on the lens and not stick out. This keeps the lens compact when being stored. I have posted a couple pictures to show what I am talking about. br brOverallc this is a great lens. Dont let the low price scare you away from buying itc just take advantage of it!