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UV Visible Calcium Fluoride Meniscus Lens

UV Visible Calcium Fluoride Meniscus Lens

The calcium fluoride  meniscus lens is designed with a convex–concave geometry and high-purity CaF₂ material, offering high transmission and low dispersion across the UV–visible spectrum. This calcium fluoride meniscus lens is ideal for precision imaging and optical system optimization.

  • Material :

    Calcium Fluoride (CaF₂)
  • Design wavelength :

    4 μm
  • Focal Length Tolerance :

    ±1%
  • Dimension Tolerance :

    +0.0 / −0.1 mm
  • Thickness Tolerance :

    ±0.1 mm
  • Surface Accuracy :

    λ/4 @ 632.8 nm
  • Surface Quality :

    40-20
  • Centration :

    <3'
  • Product Details

 

Product Description

This calcium fluoride  meniscus lens features a convex outer surface and a concave inner surface. When the outer curvature is greater, the lens provides a positive focal length, making it suitable for magnification and image correction. Compared with conventional optical glass, CaF₂ offers lower dispersion and higher transmission in the UV–visible range.

With precision polishing and optimized surface geometry, the meniscus lens helps reduce spherical aberration and improve image contrast, ensuring stable performance in demanding optical systems.

 

Performance Advantages

High-purity CaF₂ material for UV–visible applications

Positive meniscus design for aberration correction

Low dispersion and high transmission performance

λ/4 surface accuracy for precision optics

Customizable diameter, focal length, and coatings

 

Application Range

UV and visible imaging systems

Precision optical instruments and inspection equipment

Optical magnification and image correction modules

Scientific and laboratory optical setups

Industrial custom optical components

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