Opteka 500mm / 1000mm High Definition Mirror Telephoto Lens for Pentax K-S1, K-500, K-5...
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. The included Opteka 2X Teleconverter effectivly doubles your zoom converting this lens to a 500-1000mm Super Telephoto! SpecificationsFilter Size: 72mm front, 30.5mm rearf/Stop Range: f/8.0 (f/16 with 2X)Minimum Focus Distance: 5.6' (1.7 m)Magnification: 1:3Angle of View: 5DegGroups/Elements: 6/7Length: 3.4 (8.6cm)Maximum Diameter: 3.0 (7.6cm)Weight: 0.79 lb (360 g)Included Items~ Opteka 500mm f/8 Telephoto Mirror Lens~ Opteka 2x Teleconverter~ 3 Filters (Skylight, Nd 2x, Nd 4x)~ T-Mount Lens Adapter~ Lens Caps~ Lens Pouch~ 10 Year Warranty see more...
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Opteka 500mm / 1000mm High Definition Mirror Telephoto Lens for Pentax K-S1, K-500, K-50, K-30, K5 IIs, K-7, K-5, K-3, K-2, K-X, K20D, K100D, K110D and K10D Digital SLR Cameras
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