Pentax HD PENTAX DA 11-18mm F2.8ED DC AW Lens Black
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Pentax HD PENTAX DA 11-18mm F2.8ED DC AW Lens Black, Pentax HD PENTAX DA 11-18mm F2.8ED DC AW Lens Black. It has been developed as the latest model of the new-generation Star series a lens that provides exceptional image quality to be able to accommodate the super-high-performance digital cameras of the future. With the introduction of this lens the high-quality high-performance Star series now provides a wide angle-of-view coverage from ultra-wide angle to telephoto with its compact models featuring a large F2.8 maximum aperture which are exclusively designed for use with PENTAX APS-C-format digital SLR cameras. Specifications for Pentax HD PENTAX DA 11-18mm F2.8ED DC AW Camera Lens: Manufacturer: Pentax Color: Black Weight: 1.55 lb Features of Pentax HD PENTAX DA 11-18mm F2.8ED DC AW Camera Lens Despite its compact dimensions this ultra-wide-angle zoom Camera Lens provides a focal length of 11 to 18 millimeters (equivalent to 17mm to 27.5mm in 35mm format) to produce magnificent dynamic images. Since its maximum aperture is fixed at F2.8 over the entire zoom range it delivers sharp bright images of scenes with starry skies. Thanks to a minimum focusing distance of 0.3 meters the Camera Lens also lets the photographer capture true-to-life close-up images by emphasizing the depth of field with an effectively defocused background. This Camera Lens features high-grade multi-layer HD Coating which reduces the average reflectance in the visible ray spectrum to less than 50percent of conventional multi-layer coatings. It effectively minimizes flare and ghost images even in demanding lighting conditions such as backlighting. The unique Focus Clamp Mechanism allows the photographer to lock the Camera Lenss focal point even when the focus ring is rotated. This improves the Camera Lenss operability in photographing such subjects as landscapes and star-lit scenes which demand high-precision focusing during extended exposures. It also has special features for improved operability and versatility in outdoor shooting such as a space for wrapping heating wires around the Camera Lens barrel to prevent dew condensation without affecting focus-ring operation; and a metallic frame structure to more effectively transmit the heat of the heating device to the Camera Lens. Ensuring space for wrapping heating wires around the Camera Lens barrel to prevent dew condensation without affecting focus-ring operation; and a metallic frame structure to more effectively transmit the heat. Clutch mechanism which occurs less backlash is adopted for Quick-Shift Focus System and manual focus operation is improved. When the focus clamp is turned on it locks focus Camera Lens even if the focus ring is rotated. This mechanism also helps when wide width type heater wraps over the focus ring and is moved carelessly because it prevents focus Camera Lens from moving. It is easy to apply a tape to fix focus and zoom because the external design is the same diameter and stepless. Developed as an AW (All Weather) model this zoom Camera Lens features a dustproof weather-resistant construction to prevent the intrusion of water and dust particles into the Camera Lens interior. By pairing it with a PENTAX weather-resistant digital SLR camera body this assures a highly durable reliable digital imaging system that performs superbly in demanding shooting settings even in rain or mist or at locations prone to water splashes. Anticipating use in cold locations this Camera Lens assures solid trouble-free operation even at freezing temperatures. Package Contents: Pentax HD PENTAX DA 11-18mm F2.8ED DC AW Camera Lens Pentax 21230: HD PENTAX DA 11-18mm F2.8ED DC AW Lens Black