Canon Ef 70-200mm F/2.8l Is Usm Telephoto Zoom Lens For Canon Slr Cameras from Canon
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The EF 70-200mm F2.8 L IS USM was introduced way back in August 2001, supplementing (but not replacing) the non-stabilized 70-200mm F2.8 L USM in Canon's highly regarded telephoto lineup. This is a lens which can truly be described as a professional workhorse, with robust build (including dust and moisture resistance), wide F2.8 maximum aperture, fast and silent ultrasonic autofocus motor, and optical image stabilization for hand-holding at slow shutter speeds. The optical design is somewhere on the far side of complex; it features 23 elements in 18 groups, with 4 UD elements to provide compensation for chromatic aberration. According to Canon, this gives a 'high-resolution, high-contrast optical capability', as demanded from a lens which needs to perform all day, every day in the hands of professional photographers across a wide range of subjects and conditions.Incorporating Canon's second-generation Image Stabilization technology, this 70-200mm telephoto zoom responds in as little as 0.5 seconds while providing up to three stops of correction for camera shake. As a result, you can easily capture the far-off action of fast-paced sports or zoom in for an intimate portrait with a blurred background. The lens's autofocus (AF) system, meanwhile, has been refined for better response time and tracking speed. And photographers will love the new eight-blade circular aperture, which offers a more pleasing out-of-focus image. Constructed to pro standards, the EF 70-200mm lens is highly dust- and moisture-resistant and carries a one-year warranty.
- Focal length: 70-200mm
- Maximum aperture: 1:2.8
- Lens construction: 23 elements in 18 groups
- Diagonal angle of view: 34 to 12 degrees
- Focus adjustment: Inner focusing system with USM
- Closest focusing distance: 4.3 feet
- Zoom system: Rotating type
- Filter size: 77mm
- Dimensions: 3.4 inches in diameter, 7.8 inches long
- Weight: 3.24 pounds
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