!@ Pentax DA 55-300mm f/4-5.8 ED Lens for Pentax and Samsung Digital SLR Cameras LENS, PENTAX ZOOM, PDA 55-300mm The versatile Pentax DA 55-300mm zoom lens offers a focal length equivalent of 82.5 to 450mm in the 35mm format, making it ideal for moderate to long sports and wildlife shots. The lens is outfitted with multiple ED glass elements, which are designed to minimize chromatic aberration and makes images look crisper and sharper than ever before. The Pentax Super Protective coating, meanwhile, protects the exposed lens elements against dirt and contamination. Other features include a focusing ring that permits easy manual focusing, a 4.6-foot close focusing distance, and a 58mm filter diameter. Specially adapted for high-quality Pentax and Samsung digital SLR cameras, the lens carries a one-year warranty. Specifications Focal length: 55-300mm Maximum aperture: f/4 to 5.8 Minimum aperture: f/22 to 32 Lens construction: 12 elements in 8 groups Angle of view: 29 to 5.4 degrees (when used with Pentax digital SLR camera body) Number of diaphragm blades: 6 Minimum focusing distance: 4.6 feet Maximum magnification: 0.28x Filter diameter: 58mm Diaphragm control: Fully automatic Hood: PH-RBG 58mm Objective cap: O-LC58 Case: S80-160 Corresponding AF mounts: Pentax and Samsung Dimensions: 2.8 inches in diameter and 4.4 inches long Weight: 15.5 ounces Warranty: 1 year Low Price - Click Now!