This is a Canon FL mount lens, the FL 50mm f/1.4. This is a junk item due to scratches, haze, dust, debris, fungus marks, and coating peeling on the optics. The exterior has scratches, damage, and signs of disassembly. Also, there may be other problems, so this is a junk item. No accessories included. The aperture lever does not return. We will not be responsible for anything. If you have no questions, you can buy it immediately! The serial number has been photographed to prevent swapping.