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SC 903

Optical Lens by ORAFOL Fresnel Optics GmbH
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Positive Fresnel Lenses can be designed as a collimator, collector or with finite conjugates. They are usually corrected for spherical aberration. Focal Length: 500.5, Facet Spacing: 0.508, Fresnel Conjugate: 1500.0, Plano Conjugate: 750.0, Clear Aperture: 657.0, Thickness: 2.5.All dimensions in mm.Focal lengths listed apply to 546nm in PMMA (max. tolerance ± 5%).The outside size may be up to 5 - 20mm beyond the clear aperture.The standard thickness is 2.5mm ± 0.3.Other dimensions or special trimmings can be realised upon request.Special designs possible on request.

Product Specifications

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Product Details

  • Part Number
    SC 903
  • Manufacturer
    ORAFOL Fresnel Optics GmbH
  • Description
    500.5 mm Positive fresnel lenses

General Parameters

  • Lens Type
    Fresnel Lens
  • Sub Type
    Positive fresnel lens
  • Focal Length
    500.5 mm
  • Back Focal Length(BFL)
    750.0 mm (Plano Conjugate)
  • Effective Focal Length(EFL)
    1500.0 mm (Fresnel Conjugate)
  • Thickness Tolerance
    ± 0.3 mm
  • Center Thickness
    2.5 mm
  • Clear Aperture
    657.0 mm
  • Substrate/Material
    Polymethyl Methacrylate (PMMA)
  • Note
    Facet Spacing: 0.508 mm

Technical Documents
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