Canon EF-S 17-55mm f/2.8 IS USM

Lens Reviews / Canon Lenses i Lab tested
Lens Specifications
Name Canon EF-S 17-55mm f/2.8 IS USM
Image Circle APS-C
Type Standard Zoom
Focal Length 17 - 55mm
APS Equivalent 27 - 88mm
Max Aperture f/2.8
Min Aperture f/22
Diaphragm Blades 7
Lens Construction 19 elements in 12 groups
Diagonal Angle of View(Based on image circle) 78.5 to 27.8 degrees
Focus Details USM with full-time manual focusing
Front Element Rotation No
Zoom System Rotary
Closest Focus 0.35m / 1.15 ft.
Magnification Ratio 0.17x / 1:5.9
Filter Size 77mm
Dimensions(Length x Diameter) 110.6mm x 83.5mm / 4.4 in. x 3.3 in.
Weight 645g / 22.8 oz
Notes Image Stabilization; Included Accessories: Lens Hood EW-83J
Typical Online Price US$1,149