Product

  • Biconcave Spherical Lens
  • Biconcave Spherical Lens

Biconcave Spherical Lens

Double concave spherical lens is composed of two concave spherical surfaces, the focal length is negative, and it is usually used for narrowing imaging and diverging beams, etc.

Product introduction

  • Double concave spherical lens is composed of two concave spherical surfaces, the focal length is negative, and it is usually used for narrowing imaging and diverging beams, etc. Widely used in display systems, projection systems, laser measurement, optical imaging, beam control and other fields.

    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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