The EF 24-105mm f/4L IS USM Lens from Canonis a versatile,easy-to-use standard zoom lens that covers afocal range from wide-angle to portrait-length telephoto. Its constant maximum aperture of f/4 provides effective consistency when at the telephoto end of the zoom range.
The L-series is Canons flagship professional lens series, combining the highest standards of precision optics and operability with dust and moisture resistant construction. Canons ring-type Ultrasonic Motor (USM)provides silentand quickautofocus as well as full-time manual focus override. Optical image stabilization enables up to 3-stops of compensation against the effects of camera shake and one Super-UD and three aspherical lens elements minimize aberrations for overall optical clarity.