The versatile DA 55-300mm ED zoom lens offers an extreme telephoto zoom range, perfect for those moderate to long shots. ED elements compensate for chromatic aberration, while the Pentax SP coating which protects the exposed lens elements. Developed specifically for Pentax digital SLRs, the DA 55-300mm ED zoom has a focal length equivalent to 82.5mm to 450mm in the 35mm format.
Lens Mount PENTAX KAF2 Focal Length 55-300mm (equivalent 84.5-460mm) Aperture f/4-5.8 Minimum Aperture f/22-32 Lens Construction 12 elements in 8 groups Angle of View 29.0-5.4 degrees (with PENTAX DSLR) Minimum Focusing Distance 4.6' (1.4m) Maximum Magnification 0.28X Filter Diameter 58mm Diaphragm Control Fully Automatic Number of Aperture Blades 6 Lens Aperture Ring n/a Tripod Adapter n/a Hood PH-RBG 58mm Objective Cap O-LC58 Case S80-160 Dimensions 2.8 x 4.4" (71.0 x 111.5mm) (Maximum Diameter x Minimum Length) Weight 15.5 oz. (440g) (Without Hood)