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Meniscus Spherical Lens

Meniscus lenses are divided into positive meniscus and negative meniscus lenses. One side of the meniscus lens is convex and the other side is concave. It can be a converging lens or a diverging lens, which is determined by the refractive index and the radius of curvature. Widely used in camera systems, projection systems, imaging systems, optical viewfinders, and laser measurement systems.

  • Material CDGM optical glass, CORNING, SCHOTT, HOYA, OHARA, and other specified materials
    Outer diameter
    φ4-φ80mm
    Surface Figure
    ≤1(0.5)
    Machining Tolerance
    Center thickness tolerance: ±0.05mm, outer diameter tolerance: ±0.05mm, sagittal height tolerance: ±0.05mm
    Eccentricity
    1 arc minute
    Surface Quality
    40/20

  • Material CDGM optical glass, CORNING, SCHOTT, HOYA, OHARA, and other specified materials
    Outer diameter
    φ4-φ80mm
    Surface Figure
    ≤1(0.5)
    Machining Tolerance
    Center thickness tolerance: ±0.05mm, outer diameter tolerance: ±0.05mm, sagittal height tolerance: ±0.05mm
    Eccentricity
    1 arc minute
    Surface Quality
    40/20

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