Conclusions The Canon EF-S 18-135mm f/3.5-5.6 IS USM is a solid zoom lens. It delivers crisper images than the 18-55mm that ships with many entry-level Rebel cameras, and more than doubles its zoom range.
7.5x zoom ratio; Crisp optics; Smooth Live View focus; Optical stabilization; Power Zoom accessory available
Shows some distortion; Dim corners at widest aperture