Enhance your photographic prowess with the Pentax Smcp-da 300mm f/4 Ed (If) Sdm Lens, a telephoto titan designed for the discerning photographer. This premium lens, compatible with Pentax digital Slr cameras, extends your reach with a 35mm equivalent focal length of 450mm, perfect for bringing distant subjects into sharp focus.The advanced Sdm (Supersonic Direct-drive Motor) autofocus system is a game-changer, providing you with a swift, whisper-quiet focusing experience that is essential for capturing spontaneous wildlife shots or action-packed sports moments. When used with compatible Pentax K10D bodies, the autofocus operation is enhanced by the Sdm, while older Pentax Slr models benefit from traditional autofocus capabilities.Image quality is paramount, and the Smcp-da 300mm lens doesn't disappoint. It features Pentax's acclaimed smc (Super Multi-Coating) to maximize light transmission, reduce flare, and enhance contrast, delivering images that are sharp and clear.