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| Sigma 50-500mm f/4-6.3 EX DG HSM APO RF Telephoto Zoom Lens for Canon SLR Cameras |  | Brand: Sigma
List Price: $1,450.00
Buy From Amazon.com Used: $1,350.00
as of 5/25/2012 19:08 MDT details
You Save: $100.00 (7%)
Seller: Discounted Merchandiser
Color: black
Media: Electronics
Autographed: No
Memorabilia: No
Shipping Weight (lbs): 4.1
Dimensions (in): 11.2 x 7 x 6.8
MPN: B0009F3MPQ
Model: B0009F3MPQ
UPC: 085126736279
EAN: 0085126736279
ASIN: B0009F3MPQ
Availability: Usually ships in 24 hours
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| Features:
| | High-magnification zoom lens with a 10x zoom ratio, optimized for digital SLR cameras | | | Features SLD (Special Low Dispersion) glass elements for superior correction of chromatic aberration | | | Features zoom lock switch to prevent "zoom creep" | | | Lens construction features 20 elements in 16 groups | | | Includes a zoom hood and removable tripod collar |
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Product Description
This new superzoom encompasses all popular focal lengths from the 50mm "normal" to 500mm ultra-telephoto; a 10:1 zoom ratio, providing tremendous versatility. The use of an apochromatic design and four elements composed of SLD (Special Low Dispersion) glass, plus a seven group zoom system and multi-coated optics, enable this wide-ranging zoom lens to provide a high level of performance, as well as versatility. It also employs a rear focus system to insure quick, convenient manual focus and a non-rotating front barrel. This, coupled with Sigma's HSM (Hyper Sonic Motor), provide quiet, responsive autofocus function, plus "full time" manual focus. This lens also features a Zoom Lock mechanism to help eliminate "zoom creep" when the lens is tilted up or down. The use of magnesium in the tripod mount helps reduce the weight of this lens, while maintaining the strength and rigidity necessary to support it. A custom bayonet "Perfect Hood" is provided to protect the front of the lens from extraneous light. Nature and sports photographers will appreciate the performance and versatility of this amazing new superzoom lens from Sigma.
Amazon.com Product Description
The Sigma APO 50-500mm f4-6.3 EX DG HSM Lens for Canon Digital SLR Cameras is a high-magnification zoom lens with a 10x zoom ratio. The advanced optical design of the lens is optimized for digital SLR cameras, and the super coating on each glass surface produces superb color rendition, while reducing flare and ghosting. This lens uses four pieces of Special Low Dispersion (SLD) glass for excellent correction of color aberration throughout the entire zoom range. The Hyper Sonic Motor (HSM) provides quiet high-speed AF function, as well as full-time manual focus capability. This lens also features a Zoom Lock device to eliminate "zoom creep" when the lens is tilted down. When the lens is set to the 50 millimeter focal length, it is remarkably compact and provides easy handling. The tripod mount is composed of magnesium, to minimize total weight. It is also easy to grip and carry the lens due to ergonomic design of the tripod mount. Non-rotating front lens elements, due to the rear focus mechanism, make possible the use of a custom bayonet "petal-type hood," which prevents extraneous light from degrading the image quality. This mechanism also allows the use of circular polarizing filters, since the front barrel does not rotate during focusing or zooming.
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