Posts Tagged ‘DSLR’

Retaining the impressive optical performance and large aperture of the original Canon EF 85mm f/1.2L lens, this revamped medium telephoto lens employs a ring-type Ultra Sonic Motor (USM), high-speed CPU, and optimized algorithms to achieve an autofocus speed that’s approximately 1.8x faster than the original. This high-speed autofocus system combines with the circular aperture to create a shallow depth of field that brings attention to the subject and blurs the background, an ideal effect for portraits and weddings. In addition, the lens’s floating optical system includes an aspherical lens element that suppresses aberrations and produces an excellent imaging performance. SpecificationsFocal length: 85mm Maximum aperture: f/1.2 Lens construction: 8 elements in 7 groups Angle of view: 28 degrees @ 30 feet Focus adjustment: Autofocus with full-time manual Closest focusing distance: 3.2 feet Filter size: 72mm Dimensions: 3.6 inches in diameter and 3.3 inches long Weight: 36.2 ounces Warranty: 1 year

Retaining the impressive optical performance and large aperture of the original EF 85mm f/1.2L USM, this new medium telephoto lens uses a Ring-type USM, high-speed CPU and optimized algorithms to achieve an autofocus speed approximately 1.8x faster than the original. The high-speed AF and circular aperture create a shallow depth-of-field that brings attention to the subject and blurs the background, which is ideal for portraits and weddings. The floating optical system, which includes an aspherical lens element, suppresses aberrations and ensures excellent imaging performance.

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Designed for exclusive use with Pentax KAF-mount digital SLR cameras including the *ist D and the *ist DS digital SLRs, the Pentax DA 50-200mm f4-5.6 ED lens offers 4x zoom coverage in the telephoto range. Further, the lens 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). The lens also incorporates an Extra-low Dispersion (ED) glass lens element (11-element/10-group optical construction) and two aspherical lens elements for true-to-life image reproduction and overall size reduction. The image circle in DA-series lenses is designed to perfectly match the 23.5mm x 15.7mm size of the CCD used in Pentax digital SLRs to optimize camera performance. The new design also contributes to a drastic reduction in size, weight and production cost, compared to 35mm-format counterparts with similar specifications. Other features include: Compact dimensions with minimal aberrations Responsive Quick-Shift Focus System allows instant shift from AF to MF Comes with a lens hood to minimize flare and ghost images 52mm filter size Weighs 9.2 ounces Measures 2.6 x 3.1 inches (diameter x length)

Fits Pentax Digital SLR Camera models / Fully Automatic Diaphragm / Compact Size / Includes Lens Hood / Accepts 52mm Filters Metering System – TTL open-aperture metering Minimum Focusing – 3.61 feet Filter Diameter – 52mm Maximum Magnification – 0.24 Maximum Diameter – 2.6 inches (66.5mm) Maximum Length – 3.1 inches (78.5mm) Weight (w/o Hood) – 9.2 oz. (260g) Hood – PH-RBB52 Equivalent focal length to 75mm-300mm in the 35mm format Compact dimensions with minimal aberrations Responsive Quick-Shift Focus System allows instant shift from AF to MF The image circle is designed to match the CCD used in PENTAX digital SLRs Comes with a lens hood to minimize flare and ghost images

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