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

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

This lens also has one more critical and equally as extraordinary option - image stabilization. This implies that the camera can accommodate for camera shake under some circumstances, permitting you to shoot in low light more often and with higher self confidence that your images will still be of the greatest quality.

Additionally, the EF S 17 55 f 2.8 IS USM showcases a simple to use, ring-type ultra-sonic motor and an extremely fast and intuitive auto focus system, which is a true joy to use.

Product specs and crucial data:

Focal length: 17-55 millimeters

Highest 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 full-time manual

Closest focusing distance: 1.15 feet

Zoom system: 5-group helical zoom (front group moves 27mm)

Filter size: 77 millimeters

Dimensions: 3.3 in. in diameter, 4.4 in. long

Weight: 22.8 ounces

There's no doubt that the Canon EF S 17 55mm f2 8 IS USM is one excellent lens. So far as 1.6x crop lenses go there's no other lens on the market today that offers you the perfect combination of a useful zoom range, aesthetically nice depth of field, image stabilization and to top it off an extremely quick and very exact auto focus.

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

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