Opteka 500mm f/8 High Definition Telephoto Mirror Lens for Olympus E-1, E-3, E-5, E-30, E-300, E-330, E-410, E-420, E-450, E-500, E-510, E-520, E-600, & E-620 Digital SLR Cameras
The Opteka manual focus mirror lens is incredibly compact and lightweight. Using an advanced reflex design, this is a mirror lens that is ideally suited for wildlife and sports photography. 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. The process of multi-coating assures virtually flare free photographs even under adverse lighting conditions resulting in crisp high contrast pictures with full color fidelity.SpecificationsFilter Size:72mm front, 30.5mm rearf/Stop Range:f/8.0 (fixed)Minimum Focus Distance:5.6' (1.7 m)Magnification:1:3Angle of View:5Groups/Elements:6/7Length:3.4" (8.6 cm)Maximum Diameter:3.0" (7.6 cm)Weight:0.79 lb (360 g)Included Items~ Opteka 500mm f/8 Telephoto Mirror Lens~ 3 Filters (Skylight, Nd 2x, Nd 4x)~ T-Mount Lens Adapter~ Lens Caps~ Lens Pouch~ 10 Year Warranty