Meniscus Lens
A meniscus lens has one convex and one concave surface, giving a crescent shape with different curvature centers. Positive meniscus lenses generally shorten focal length and increase NA without significant spherical aberration; negative types lengthen focal length, reduce NA and commonly diverge beams. Adjusting radii corrects aberrations, especially spherical aberration, to improve imaging. Uses include camera lenses for image quality/distortion reduction, vision correction for comfort, laser focusing for accuracy/efficiency, astronomical telescopes for clearer/more accurate observation, and optical measurement/analysis instruments for better paths/imaging. 南京领英创光电科技有限公司 offers custom meniscus lenses and welcomes inquiries.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Lens Types | Meniscus Lens |
| Diameter Range | 1.5mm-50mm |
| Outer Diameter Tolerance | +0/-0.01mm |
| Thickness Tolerance (Thickness Deviation) | ±0.01mm |
| Surface Finish | 10/5~80/50 |
| Eccentricity Error | 1'~5’ |
Datasheet
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