Meniscus Lens
Meniscus lenses include positive and negative types. They greatly reduce spherical aberration and provide a smaller focal spot and fewer aberrations than plano-convex lenses to improve imaging quality. Used with another lens, a positive meniscus lens can shorten the focal length and increase system numerical aperture (NA) without introducing significant spherical aberration.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Quartz Glass, H-K9L |
| Diameter | 18mm 24mm |
| Center Thickness | 5.7mm 5.5mm |
| Front Radius of Curvature R1 | 18.59mm 20.422mm |
| Rear Radius of Curvature R2 | -49.886mm -43.022mm |
| Antireflection Coating | AR400～700nm |
| Surface Finish | 40-20 |
| Transmitted Wavefront Error [@633nm] | ＜λ/4@633nm |
Applications
Datasheet
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Supplier Information
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