The EF 28-135mm f/3.5-5.6 IS USM Lens from Canon is a compact and lightweight zoom lens that offers superior optical performance plus a built-in Image Stabilizer. The IS system reduces blurred photographs caused by camera shake and allows for handheld photography in comparatively dim light without a flash or tripod. At the wide-angle end of the zoom range, the equivalent shutter speed gain is approximately 1.5 stops while at the telephoto end, it is approximately 2 stops.

Quick Specs:

• Focal length: 28-135mm

• EF lens mount

• Maximum aperture: 1:3.5-5.6

• Lens construction: 16 elements in 12 groups

• Diagonal angle of view: 75 to 18 degrees

• Focus adjustment: Rear focusing system with USM

• Closest focusing distance: 1.6 feet

• Zoom system: Rotating type

• Filter size: 72mm

• Dimensions: 3.1 inches in diameter, 3.8 inches long

• Weight: 18.9 ounces