Canon EF 70-200mm f4L USM Lens

Canon EF 70-200mm f4L USM Lens

Canon EF 70-200mm f4L USM Lens combines 1 artificial fluorite element with 2 UD (Ultra-low Dispersion) elements to help achieve images free of secondary spectrum aberrations.  It is light enough to not need a tripod collar but for handling purposes there is an optional tripod collar. An autofocus telephoto zoom lens for both film and digital cameras with constant f/4 maximum aperture performance.

• It has a ultrasonic autofocus motor provides fast, silent autofocus action.
• It has Internal zooming and focusing.
• It has full time manual focus override enables precise manual focus at all times, even in AF mode.

Retaining the excellent performance at maximum aperture of the much larger f/2.8L but in a smaller size, the EF 70-200mm f/4L USM Lens from Canon is a professional zoom telephoto suitable for a broad range of applications from sports to portraiture. It is fully compatible with the Extender EF 1.4x II and 2x II teleconverters (requires f/8 AF sensitivity with EF 2x II).Like every autofocus Canon "L" lens, the EF 70-200mm f/4LUSM delivers optical performance equal to similar fixed focal length lenses, with silent, high-speed ultrasonic (USM) focusing and full-time manual focus override capacity. A focus range limiting option also enables faster autofocus rates.