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Opteka 500mm/1000mm f6.3 HD Telephoto Mirror 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

  • High-index / low-dispersion optical glass, fully multi-coated, every element, anti-reflection coating
  • Manual focus, digitally-optimized telephoto zoom lens
  • 7 lens elements in 6 groups
  • Incredibly compact and lightweight
  • Great for the wildlife or nature photographer who wants to be hidden while taking photos of the subject

The Opteka 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 f6.3. 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.


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