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SC 242

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: 101.1, Facet Spacing: 0.305, FresnelConjugate: 101.1, Plano Conjugate infinity Clear Aperture: 85.8, Thickness: 1.8. 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 1.8mm ± 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 242
  • Manufacturer
    ORAFOL Fresnel Optics GmbH
  • Description
    101.1 mm Spherical Positive fresnel lenses

General Parameters

  • Lens Type
    Fresnel Lens
  • Sub Type
    Positive fresnel lens
  • Focal Length
    101.1 mm
  • Back Focal Length(BFL)
    infinity(Plano Conjugate)
  • Effective Focal Length(EFL)
    101.1 mm(Fresnel Conjugate)
  • Thickness Tolerance
    ± 0.3 nm
  • Center Thickness
    1.8 mm
  • Clear Aperture
    85.8 mm
  • Note
    Facet Spacing: 0.305 mm

Technical Documents
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