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Main Features
- Sigma 17-50mm F2.8 EX DC OS HSM Lens for Canon APS-C Digital SLR Cameras: EOS Rebel T2i, 550D, EOS 7D. FREE 7pc Bundle Included: 7 Year Warranty + 4pc Filter Set (3 Filters - Polarizer, UV, Fluorescent - with case) + Front and Rear Lens Cap + Lens Hood + Lens Pouch + Lens Cap keeper (Leash), 2pc Advanced Microfiber Cleaning Cloth Kit.
- For Canon DSLRs with APS-C Size Sensors
- 4 Stops of Anti-Shake (OS) Compensation; Aperture of f/2.8 throughout Zoom Range
- Ultra Compact (Only 3.6", 91.8mm Long; Accepts 77mm Filters
- Excellent Correction for Aberration; Hyper-Sonic Motor for Quiet/Fast AF
Brand : Sigma
Model : S10207PCKIT
Spec of Sigma 17-50mm F2.8 EX DC OS HSM Lens for Canon APS-C Digital SLR Cameras: EOS Rebel T2i, 550D, EOS 7D. FREE 7pc Bundle Includes: 7 Year Warranty + 4pc Filter Set (3 Filters - Polarizer, UV, Fluorescent - with case) + Front and Rear Lens Cap + Lens Hood + Lens Pouch + Lens Cap keeper (Leash), 2pc Advanced Microfiber Cleaning Cloth Kit.
Lens Style : SLR Auto-Focus Optical Stabilization
Lens Type : SLR Auto-Focus Optical Stabilization
Details Of Sigma 17-50mm F2.8 EX DC OS HSM Lens for Canon APS-C Digital SLR Cameras: EOS Rebel T2i, 550D, EOS 7D. FREE 7pc Bundle Includes: 7 Year Warranty + 4pc Filter Set (3 Filters - Polarizer, UV, Fluorescent - with case) + Front and Rear Lens Cap + Lens Hood + Lens Pouch + Lens Cap keeper (Leash), 2pc Advanced Microfiber Cleaning Cloth Kit.
This Bundle 8pc Bundle Includes The 17-50mm F2.8 EX DC OS HSM Lens, 7 Year Warranty, 4pc Filter Set (3 Filters - Polarizer, UV, Fluorescent - with case), Front and Rear Lens Cap, Lens Hood, Lens Pouch, Lens Cap keeper (Leash), 2pc Advanced Microfiber Cleaning Cloth Kit.
The 17-50mm F2.8 EX DC OS HSM covers a focal length from a 17mm wide angle, has a minimum focusing distance of 11 inches throughout the entire zoom range and a maximum magnification ratio of 1:5. The OS function offers the use of shutter speeds approximately four stops slower than would otherwise be possible. Only Sigma has made it possible for Pentax and Sony shooters to utilize an anti-shake system in either the lens or the camera body. The compensation for camera shake is visible in the view finder for all mounts, which makes accurate focusing fast and easy. Sigma's FLD glass, which is used in the new lens, has an extremely high light transmission and anomalous dispersion, making it the top level of low dispersion glass available. With a performance equal to fluorite glass, this optical glass has a low refractive index and low dispersion compared to current optical glass. These characteristics offer excellent correction for residual chromatic aberration (secondary spectrum), which cannot be corrected by ordinary optical glass and ensures high-definition and high-contrast images. In addition, the 17-50mm F2.8 EX DC OS HSM also offers one hybrid aspherical lens and two glass mold elements for excellent correction of distortion and astigmatism. It has Super Multi-Layer Coating to reduce flare and ghosting with superior peripheral brightness and Hyper Sonic Motor (HSM) to provide quiet and high-speed auto focus. The lens' rounded, seven-blade diaphragm creates an attractive blur to out-of-focus areas and its inner focusing system eliminates front lens rotation, making the lens particularly suitable for use with the supplied petal-type lens hood and circular polarizing filters.
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