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An Excellent Canon EF S 17 55 Mm F2 8 IS USM Lens - Presenting High Quality Image Sharpness, Fast & Accurate Auto Focus
The Canon EF S 17 55mm f2 8 IS USM Lens is a superb, high quality lens that's primarily made for the EF-S zoom lens range, although the image quality is very good that some have compared it to being on par with that of the admired and highly regarded Canon L series range.
The main reason behind this is a large circular aperture that produces a shallow depth of field and high quality low dispersion aspherical lens elements that ensure you have marvelous image quality across the whole zoom range.
This lens also has another critical and equally as extraordinary feature - image stabilization. This means that the camera can accommodate for camera shake under some circumstances, permitting you to shoot in low light more often and with more confidence that your images will still be of the greatest quality.
In addition, the EF S 17 55 f 2.8 IS USM showcases a simple to use, ring-type ultra-sonic motor and a very fast and intuitive auto focus system, which is a real pleasure to use.
Product specifications and significant data:
Focal length: 17-55 mm
Maximum aperture: f/2.8
Lens construction: 19 elements in 12 groups
Diagonal angle of view: 78 degrees (at 30 feet) to 27 degrees (at 50 feet)
Focus adjustment: AF with fulltime manual
Closest focusing distance: 1.15 feet
Zoom system: 5-group helical zoom (front group moves 27 millimeters)
Filter size: 77mm
Dimensions: 3.3 inches in diameter, 4.4 in. long
Weight: 22.8 ounces
There is no doubt that the Canon EF S 17 55mm f2 8 IS USM is one great lens. So far as 1.6x crop lenses go there is simply no other lens available at present that gives you the ideal combination of a useful zoom range, aesthetically pleasing depth of field, image stabilization and to top it off an extremely quick and very precise auto focus.
As if that was not sufficient, the image quality rivals that of lenses costing many thousands of dollars and should not be overlooked as your next lens choice or just an upgrade to the admired but basic EF-S 18-55 mm kit lens.
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