Canon EF 50mm f/1.2 L USM Lens for Canon Digital SLR Cameras - Fixed Weather-resistant standard lens Focal Length &amp; Maximum Aperture-50mm F/1.2, Closest Focusing Distance - 1.48 ft. / 0.45m AF with full-time manual focus, 72mm filter size Ultrasonic Motor (USM), Lens not zoomable Purchase this product between May 1, 2016 and July 30, 2016 and get 13 months of free damage protection from Canon. The product must be registered within 30 days of the purchase date to be eligible.