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The Canon EF S 17 55mm f2 8 IS USM Lens is an excellent, top quality lens that is basically made for the EF-S zoom lens range, though the image quality is so good that some have compared it to being on par with that of the famous and reputable Canon L series range.

The major reason behind this is a big circular aperture that creates a shallow depth of field and high quality low dispersion aspherical lens elements that make certain that you have marvelous image quality throughout the full zoom range.

This lens also has one more vital and equally as impressive option - 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 higher confidence that your images will still be of the finest quality.

Furthermore, the EF S 17 55 f 2.8 IS USM showcases an easy to use, ring-type ultra-sonic motor and an extremely fast and user-friendly auto focus system, which is a true to use.

Product specs and significant data:

Focal length: 17-55 millimeters

Maximum aperture: f/2.8

Lens construction: 19 elements in 12 groups

Diagonal angle of view: 78 degrees (at 30 ft) 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 27mm)

Filter size: 77 millimeters

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 excellent lens. As far as 1.6x crop lenses go there's no other lens available today that offers you the ideal combination of a useful zoom range, aesthetically pleasing depth of field, image stabilization and to top it off an extremely fast and very exact auto focus.

As if that wasn't sufficient, the image quality rivals that of lenses costing many thousands of dollars and shouldn't be overlooked as your next lens selection or simply an upgrade to the admired but basic EF-S 18-55 millimeters kit lens.

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