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

Do you have Canon APS-C (with smaller sensor, not full frame format) DSLR camera, for example like Canon EOS 60D, Canon EOS 600D, or Canon EOS 1100D? Do you satisfy with the kit lens 18-55mm? If you have one of Canon APS-C DSLR camera and you're not satisfy with the included kit lens, Canon EF-S 17-55mm f/2.8 USM IS will be the good choice for you. Canon EF-S 17-55mm f/2.8 USM IS offers you almost the same range of focal length compared to kit lens but with wide aperture of F/2.8 along its focal length.
Canon EF-S 17-55mm f/2.8 USM IS can be categorized in wide to medium telephoto lens. This lens also offers you better image's sharpness. Canon EF-S 17-55mm f/2.8 USM IS has an extremely fast and near silent USM (ultrasonic) AF drive including full-time manual focusing (FTM) in one-shot AF mode. This lens also great for low light situation photography due to its wide aperture. The build in quality also looks good even not as good as L series lens. Canon EF-S 17-55mm f/2.8 USM IS also has internal focusing mechanism, so the front element does not rotate, so it easier for you to use polarizer filter

Vignette Chart taken from www.photozone.de

MTF Chart taken from www.photozone.de

Chromatic Abberation chart taken from www.photozone.de

Technical Specification

Image size	APS-C
35mm film equivalent focal length (mm)	27-88
Angle of view (horizontal, vertical, diagonal)	68º 40' - 23º 20',
	48º - 15º 40',
	78º 30' - 27º 50'
Lens construction (elements/groups)	19 elements 12 groups
No. of diaphragm blades	7
Minimum aperture	22
Closest focussing distance (m)	0.35
Maximum magnification (x)	0.17 (at 55mm)
Distance information	Yes
Image stabilizer	3-stops
AF actuator	Ring USM²
Filter diameter (mm)	77
Max. diameter x length (mm)	83.5 x 110.6
Weight (g)	645
Magnification with Extension Tube EF12 II	0.45-0.231
Magnification with Extension Tube EF25 II	1.71-0.51
Lens hood	EW-83J
Soft case	LP1219
G.F. Holder III (hood III*)	NC
G.F. Holder IV (hood IV*)	0
Extenders EF1.4x II and EF2x II	Not compatible