Canon EF-S 18-135mm F/3.5-5.6 IS Standard Zoom Lens 18-135mm f/3.5-5.6 focal length and max. aperature; 0.21x (at 135mm) max. magnificatiom; Image Stabilizer technology; Inner focusing system; 67mm filter size; Height 3.00; Width 3.00; Depth 4.00; Weight 1.00; Color; Operating System; Batteries Included; Batteries Required; Number of Batteries; Battery Type No battery required; Language English; Assembly Required 16 elements in 12 groups lens construction Minimum aperture f/22-36 Diagonal angle of view 74 20 ft.-11 30 ft. 0.45 m/1.5 ft. (at 135mm) min. focusing distance