Digital Slr Cameras

Opteka 500mm f/6.3 High Definition Telephoto Mirror Lens for Digital SLR Cameras - 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 f/6.3. 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 fidelity. When combined with the T-mount to fit your camera system. this mirror lens mounts to camera and works on both ""full frame"" cameras as well as the ""APS-C"" style digital SLR cameras. T-Mounts are available for all the digital SLR systems. as well as for C-mount systems. However. in every case the fixed f/6.3 aperture is not communicated to the camera body. As such. you can use the lens in ""M"" manual exposure mode or ""A"" aperture-priority mode only. This lens has a broad diameter and stocky build. making it a bit easier to handle than a normal refractor lens. It also has a much different rendering of out of focus areas than a normal lens; highlights will be doughnut-shaped rings with more saturation and contrast on the edge of the ring than on the center. Specifications Filter Size: 95mm front. 34mm rear f/Stop Range: f/6.3 (fixed) Minimum Focus Distance: 6.6' (2.0 m) Angle of View: 4.1A x 2.7A (WxH) Groups/Elements: 6/7 Length: 4.7"" (120mm) Maximum Diameter: 3.9"" (98mm) Weight: 1.55 lbs (705g) Included Items Opteka 500mm f/6.3 Telephoto Mirror Lens T-Mount Lens Adapter Lens Cap 10 Year Warranty High definition multi-coated optics produce sharper. more intense pictures Incredibly compact and lightweight 7 elements in 6 groups Angle of view: 4.1A x 2.7A; Min Focusing Distance: 6.6' (2.0 m) Type: Telephoto Lens Focus Type: Manual Focus ... Read More

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Opteka 500mm f/6.3 High Definition Telephoto Mirror Lens for Digital SLR Cameras

Opteka 500mm f/6.3 High Definition Telephoto Mirror Lens for Digital SLR Cameras

Opteka 500mm f/6.3 High Definition Telephoto Mirror Lens for Digital SLR Cameras

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