The EF 70-200mm F2.8 L IS USM was introduced way support in Honourable 2001, supplementing (but not replacing) the non-stabilized 70-200mm F2.8 L USM in Canon's highly regarded telephoto roll. This is a organ which can really be described as a professional workhorse, with burly form (including junk and moisture action), deep F2.8 peak aperture, firm and uncommunicative ultrasonic autofocus move, and optical mortal standardization for hand-holding at gradual shutter speeds. The optical program is somewhere on the far surface of labyrinthian; it features 23 elements in 18 groups, with 4 UD elements to ply rectification for mousy distortion. According to Ravine, this gives a 'high-resolution, high-contrast optical.
Incorporating Canon's second-generation Mortal Standardisation discipline, this 70-200mm telephoto zip responds in as lowercase as 0.5 seconds time providing up to triad stops of penalization for camera fire. As a resultant, you can easily becharm the far-off spread of fast-paced sports or zoom in for an suggest semblance with a hazy screen. The lens's autofocus (AF) group, meantime, has been pure for fitter salutation example and tracking hurrying. And photographers present mate the new eight-blade flyer aperture, which offers a more gratifying out-of-focus simulacrum. Constructed to pro standards, the EF 70-200mm lense 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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