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Meniscus lenses

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  • Meniscus lenses can be used with another lens to produce longer or shorter focal lengths. These lenses do not introduce additional spherical aberration or coma in the systems.



Material: Crown, Flint, UVFS
Focal Length Tolerance: ±0.5%
Diameter Tolerance: +0/-0.2mm
Thickness Tolerance: ±0.2mm
Surface Flatness: λ/10
Centration Error: <3'
Surface Quality:


Clear Aperture: >90% of central diameter
Coating: According to the requirements