Ef-s-mount lens/aps-c format
28.8-216mm (35mm equivalent)
aperture range: f/3.5 to f/36
one aspherical element, one ud element
offering a versatile range within a compact form factor, the ef-s 18-135mm f/3.5-5.6 is from canon is a 28.8-216mm-equivalent lens covering a useful wide-angle to telephoto range.