Canon EF-S 18-135mm f/3.5-5.6 IS Standard Zoom Lens for Canon Digital SLR Cameras + Lens Cleaning Pen & CS Microfiber Cleaning Cloth 18-135mm lens with f3.5-f.5.6 aperture; for use with APS-C cameras 35mm equivalent to 29mm-216mm focal length range Dedicated image stabilization Lens construction of 16 elements in 12 groups Compatible with 67mm filters