Constructed with 3 lens elements, the Canon EF L lens offers excellent image quality. Featuring 200 mm focal length, this Canon lens enables you to focus on the details of the subject. Featuring an inner focusing system, this Camera lens enables fast focusing and quiet operation. With f/2.8L aperture, this Canon lens ensures optimum light transmission, for perfect lighting in the images. Providing high contrast and brightness in the images and diminishing color fringing, this Camera lens renders some professional quality images. Using 72mm filters, the Canon EF L stays protected from moisture, scrapes and scratches.