5200mm Canon Lens World's MOST powerful Super telephoto EF FD
Canon 5200mm F14 Prime Lens. The world's largest dedicated SLR Super Telephoto lens.Extremely rare. Made in Japan.Most probably a government ordered cold war spy tool - it certainly wasn't designed to look at the stairs with the use of it's ND filters...It uses a mirror & lens combination. The front lens is massive.Rear drop-in filters can be used.•Focal Length: 5150mm•Exposure Control: Light