Pentax DA 50-200mm Lens
Pentax Updated: 2008-10-01 RSSOffering 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.
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)
Instruction Manual
Specifications Manual
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