Meniscus Lens

Meniscus Lens are identified by having one convex surface and one concave surface. Within this, Meniscus lens are categorized as Positive or Negative. Positive Mensicus lens have a thicker center in relation to its edges. They can be used to shorten focal length while increasing the NA of an existing system, and can also minimize spherical aberrations. Negative Meniscus lens have thicker edges compared to its center. They can be used to increase the focal length while decreasing the NA of an existing system, and can also increase the divergence of a beam without introducing spherical aberrations. We are able to customize these to your application requirements. Please contact us for more details.


Diameter Surface Quality Diameter Tolerance Center Thickness Tolerance Edge Thickness Tolerance Centering Tolerance
3.00 - 5.00 40-20 +0/-0.05 +/-0.2 Reference 3-5arc mins
5.01 - 25.40 40-20 +0/-0.1 +/-0.2 Reference 3-5arc mins
25.41 - 40.00 60-40 +0/-0.1 +/-0.2 Reference 3-5arc mins
40.01 - 75.00 80-50 +0/-0.1 +/-0.2 Reference 3-5arc mins

Higher precision specifications available upon request. Please contact us with your specific requirement.

Important Note

If your requirement is not included in our stock list, please enquire with us as our in-house production facility can quickly and affordably customize off-the-shelf components to a variety of sizes and shapes that will meet standard, precision or high precision quality.

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P/n Dia. (mm) EFL (mm) Substrate Coating Qty