This is a single-focus lens for SLR cameras, a Canon EF mount 500mm 1:4.5L USM. This item has been serviced by Higasa Camera Service. The exterior has minor scratches and scuffs. There is a large dent on the front of the lens, and some parts are warped and cracked. They said this part is missing and cannot be repaired. Attaching the lens hood is a little difficult. However, it does not affect shooting. AF has been confirmed to work. The optics have been cleaned, with no mold or fogging, and only a little dust, so it can still be used. Included accessories are: Front and rear lens caps Dedicated lens case Only. If you have no questions, you can buy it immediately! The serial number has been photographed to prevent swapping. Focal length: 201-500mm Aperture: 4.1-5.6 Other features: Lens hood included, front lens cap included, rear lens cap included