The Opteka 500mm manual focus mirror lens may sound like it is just another super telephoto lens, but unlike most others it is just over three inches long and weighs less than a pound. Using an advanced reflex design, this is a mirror lens that is ideally suited for wildlife and sports photography. Works on both "full frame" cameras as well as the "APS-C" style digital SLR cameras in "M" manual exposure mode or "A" aperture-priority mode. It has a fixed aperture of f8. It comes complete with a soft pouch and three (3) rear mounted, 30.5mm filters, (ND-2X, ND-4X & Skylight). Opteka mirror lenses incorporates advanced computer designed optics and the latest in multi-coating techniques which results in crisp high contrast pictures with full color fidelity.

Please note that this is a manual lens. You will need to set your camera to manual mode.