Are you looking for Tamron SP AF 17-50mm F/2.8 XR Di-II LD SP Aspherical (IF) zoom Lens with Built-in Motor for Nikon Digital SLR ? you comes at the right place because we provide some information about it. You can get special discount for Tamron SP AF 17-50mm F/2.8 XR Di-II LD SP Aspherical (IF) Contact with Built-in Motor for Nikon Digital SLR.You can choose to buy a product and Tamron SP AF 17-50mm F/2.8 XR Di-II LD SP Aspherical (IF) zoom Lens with Built-in Motor for Nikon Digital SLR at the Best Price Online with Secure Transaction Here...
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$499.00
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The SP AF17-50mm F/2.8 is really a lightweight, compact, fast standard zoom lens designed mainly for digital SLR cameras, expanding the item concept in the popular SP AF28-75mm F/2.8 zoom lens. In addition, portrait shots are created beautiful while using natural out-of-focus effect characteristic provided through the fast F/2.8 aperture. Additionally, a broader photographic expression with the usage of faster shutter speeds being a result of the maximum aperture offers enhanced photographic pleasure. The lens boasts one of the best close-up shooting performances inside the class of fast standard zoom lenses designed exclusively for digital cameras and featuring an F/2.8 maximum aperture through the entire entire zoom range, to make certain stress-free photographic shots in any respect focal lengths and distances.
Extraordinary detail at the macro level
AF17-50mm F/3.5-6.3 XR Di II Highlights
Di II
Lenses are designed for exclusive experience cameras with smaller-size imagers and inherit all with the benefits of our Di products. These lenses aren't made for conventional cameras and digital cameras with image sensors bigger than 24mm x 16mm.
Extra Refractive Index Glass (XR)
Extra Refractive Index (XR) glass can bend light rays at steeper angles, thereby decreasing the physical length in the lens while enhancing imaging performance by minimizing optical aberrations. It is allowed Tamron to produce a type of shorter, smaller-diameter, lighter lenses without sacrificing lens speed, and also upgrading image quality when compared with older designs. XR glass is costlier than conventional glass nonetheless it yields enhanced optical power distribution, making possible many from the outstanding and innovative lens designs that bear the XR designation. XR glass, having its superior light-bending power, makes it possible to design a short-barrel lens with the same light-gathering ability (aperture value) as being a long-barrel lens—even using a smaller lens diameter. By using this principle Tamron may be able to shorten the space in the entire optical system and provide lighter, more compact lenses with the same speed, and also to offer greater zoom ranges in lenses that are a lot more convenient to hold by hand.
Special glass for better performance and much more compact lens designs
Low Dispersion (LD)
Low dispersion (LD) glass elements in a very lens help reduce chromatic aberration; the tendency of sunshine of different colors to visit different points of focus on the image plane. Chromatic aberration decreases the sharpness of your image, but glass with an extremely lowdispersion index, has less of an tendency to separate (defract) a ray of sunshine in a rainbow of colors. This characteristic allows the lens designer to effectively compensate for chromatic aberration in the center with the field (on axis), a specific problem at long focal lengths (the telephoto end with the zoom range), and then for lateral chromatic aberration (towards the edges in the field) that frequently occurs at short focal lengths (the wide-angle end in the zoom range.)
Low Dispersion (LD) Glass for Greater Lens Sharpness
Super Performance (SP) for Discriminating Shooters
Tamron SP (Super Performance) series is often a line of ultra-high-performance lenses designed and manufactured for the exacting specifications demanded by professionals and others who require the greatest possible image quality. In creating SP lenses Tamron’s optical designers put their foremost priority on achieving superior performance parameters—they are all designed to some higher standard with little regard for cost constraints. As a result, Tamron lenses bearing the SP designation feature impressive and innovative designs who have established an enviable reputation for excellence those types of knowledgeable photographers that demand the very best.
Zoom Lock (ZL)
Another original Tamron mechanical engineering concept is the Zoom Lock (ZL), a simple convenience feature that prevents undesired extension with the lens barrel when carrying the camera/lens unit over a neck strap.
The Tamron SP AF17-50mm f/2.8 XR Di II LD Aspherical [IF] is a lightweight, compact, fast standard contact designed mainly for digital SLR cameras. The focal length of the lens is equivalent to approx. 26-78mm in 35mm format. This lens has an f/2.8 maximum aperture through the entire zoom range, to make sure stress-free photographic shots in any way focal lengths and distances. Additionally, a broader photographic expression through the use of faster shutter speeds like a result from the maximum aperture offers enhanced photographic pleasure. FEATURES: Optimized for Digital SLR - The use of XR (Extra Refractive Index) glass optimizes the general distribution of optical power, and in addition reduces various aberrations to the absolute minimum while achieving remarkable compactness. In addition, suitable positioning of two hybrid aspherical elements serves to keep up imaging performance also to shorten and compress the entire optical system. LD Glass - An LD (Low Dispersion) glass element is utilized to accomplish effective compensation of on-axis and lateral chromatic aberrations, a critical factor for enhancing optical quality in digital photography, as a way to attain outstanding optical performance within the entire zoom range. Enhanced Peripheral Illumination - Peripheral light fall-off is minimized when compared your of conventional lenses for film cameras, so images are uniformly bright through the center for the periphery. Internal Surface Coating to Reduce Ghosting and Flare - By employing "Internal Surface Coatings" (i.e., multiple-layer coatings on cemented surfaces of plural elements) and multiple-layer coating technology on ordinary elements, ghosting and flare due to the reflections that occur when light enters through top element a
Built in motor for use on the new Nikon Cameras
Includes lens hood, 67mm filter size
2.9 inches in diameter and 3.2 inches long
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