Pentax 21567 Lens Pentax Zoom DA 50-200mm
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Pentax 21567 Lens, Pentax Zoom, DA 50-200mm Offering a 4X zoom coverage in the telephoto range, the DA 50-200mm features an angle of view from 31.5 degrees to 8.1 degrees (equivalent in focal length from 76.5mm to 306mm in the 35mm format). As with all DA-Series lenses, this DA 50mm-200mm features a responsive ""Quick-Shift Focus System"" that allows photographers to instantly switch the focus mode from auto to manual with a slight twist of the focus ring. Coupled with a simple, functional design and the elimination of an aperture ring, this new mechanism considerably improves operability. The lens also incorporates an Extra-low Dispersion (ED) glass lens element and two aspherical lens elements for true-to-life image reproduction and overall size reduction. Pentax 21567 Lens, Pentax Zoom, DA 50-200mm Features: Lens mount: PENTAX KAF mount Lens construction: 11 elements in 10 groups Angle of view: 31.5°8.1° (when used with PENTAX Digital SLR camera body) Diaphragm control: Automatic Number of aperture blades: 6 Minimum aperture: f22 (at 50mm)f32 (at 200mm) Metering system: TTL open-aperture metering Minimum focusing distance: 3.6 ft. (1.1m) over the entire zoom range Filter size: 52mm Maximum magnification: 0.24X Dimensions (diameter x length): 2.6 x 3.1 inches (66.5 x 78.5mm) Weight (w/o hood): 9.0 oz. (255g)
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