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    4. 福州高特光电科技有限公司

      The Plano Convex lenses are made from Sapphire material, which are manufactured with one concave surface and one plane surface. These lenses have negative focal lengths. These lenses diverge collimated incident light. They form virtual images which are seen through the lens. They are often used to expand light or to increase focal lengths in existing systems. We also offer precision grade plano Convex lens with tighter manufacturing tolerances. 

       

      Specifications:

      Material: Sapphire Lenses
      Design Wavelength: 546.1nm, n=1.771
      Diameter Tolerance: +0.0/-0.1mm
      Paraxial Focal Length: ±2%
      Centration: 3 arc minutes
      Surface Figure : l/4 @ 632.8 nm
      Surface Quality: 80-50
      Clear Aperture: >80%
      Bevel: <0.25mm X 45°
      Coating: Uncoated

      Item# F(mm) f(mm) R(mm) Tc Te Fb
      PCX4-001 5.0 5.0 3.86 2.9 2.0 3.9
      PCX4-101 10.0 10.0 7.71 3.8 2.0 7.9
      PCX4-102 20.0 10.0 15.42 2.8 2.0 18.9
      PCX4-103 25.0 10.0 19.28 2.7 2.0 23.9
      PCX4-201 50.0 20.0 38.55 3.3 2.0 48.9
      PCX4-202 100.0 20.0 77.10 2.7 2.0 98.9
      PCX4-203 150.0 20.0 115.65 2.4 2.0 148.9
      PCX4-204 200.0 20.0 154.20 2.3 2.0 198.9

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