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Opteka
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Description
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.
Advances in high-index / low-dispersion optical glasses, new barrel materials, and exotic anti-reflection coatings, along with the latest in computer-aided-design / computer-aided-manufacturing, are combined to produce lenses of unprecedented quality. Diamond-cut from crystal-clear, water-white optical glass, Opteka lenses are ground and polished to a precise precision.
| • | Groups/Elements: 6/7 |
| • | Diameter: 3.86" |
| • | Length: 4.7" |
| • | Weight: 24.9 oz |
| • | Front Filter Size: 95mm |
| • | Max Aperture: f:6.3 |
| • | Min Aperture: f:6.3 |
| • | Angle of View: 5? |
| • | Minimum Focus Distance: 6.1' |
| • | Manual Focus: Yes |
| • | Model - MF 500mm f:6.3 Mirror Lens |
| • | High quality crystal optics |
| • | Fully Multi-coated |