Calcium Fluoride Meniscus Lens
Meniscus lenses, also called concave-convex lenses, reduce spherical aberration and can produce the smallest focus for collimated incident light. Depending on the relative curvatures of their surfaces, they may be positive or negative. Negative meniscus lenses are thinner at the center than at the edge, while positive meniscus lenses are thicker at the center.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Calcium Fluoride |
| Surface Accuracy | λ/4 |
| Parallelism | <1arcmin |
| Outer Diameter Tolerance | +0.0mm/-0.02mm |
| Thickness Tolerance | ±0.05 |
| Surface Quality | 40/20 |
| Dimensions | 8-400mm |
| Shape | Various Meniscus, Biconvex and Aspheric Types |
| Suitable for Making | Ultraviolet Lenses, Infrared Lenses |
Datasheet
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