www.evanburrows.com Canon 5200mm F14 Prime SLR Lens. More info below: Possibly a government ordered cold war spy tool - it certainly wasn't designed to just look at the stars 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 quantity is controlled with the use of b
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