Meniscus Lens
Meniscus lenses are concave-convex lenses. Their core function is to focus or diverge light by controlling light refraction and to correct aberrations (such as spherical aberration) in optical systems..
Product Description
Meniscus lenses are concave-convex lenses. Their core function is to focus or diverge light by controlling light refraction and to correct aberrations (such as spherical aberration) in optical systems. Their application requires optimized design based on curvature, installation direction and other parameters.
| Project | Performance Parameters | High Precision |
| Material | BK7 or UV fused silica | |
| Specifications | D7.99, D12.7, D25.4, D30, D37 | |
| Dimension Tolerance | ±0.1 mm | ±0.02 mm |
| Focal Length Tolerance | ±1% | ±0.5% |
| Centration | ≤3 arcmin | ≤1.5 arcmin |
| Flatness (within clear aperture) | λ/4 | λ/8 |
| Surface Quality | 20-10 | 10-5 |
| Edge Chip | <0.2 | <0.05 |
| Bevel | 0.1~0.5×45° | |
| Coating | 532 nm, 850 nm, 1064 nm, 1260–1650 nm (customizable) | |