The SIGMA EX DG 50-500mm F4-6.3 ZOOM APO DG LENS for Pentax KAF mount is a high-quality zoom lens made by Sigma, offering a versatile focal length range of 50-500mm with a maximum aperture of f/4. This lens is designed for Pentax cameras and features both auto and manual focus options, making it ideal for photographers looking for precision and flexibility. With its Japanese craftsmanship and compatibility with 86mm filters, this lens is a valuable addition to any photographer's gear collection.
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