The meniscus cylindrical lens has a cylindrical surface, which enables the incident light to focus on a certain dimension and stretch the image. The focal length of meniscus cylindrical lens can be positive or negative, which is suitable for laser line generation or deformed beam shaping.
Meniscus cylindrical lens specification or based on clients' requirements | |
1.Material | Domestic or foreign materials are selected based on clients' requests |
2.Dimensional tolerances | 0/-0.03mm |
3.Clear aperture | 90%-100% |
4.Tolerance of CT or ET | ±0.05mm |
5.Surface Quality | US Military Standard 20-10,ISO Standard 3X0.16 |
6.Curvature Tolerance | ±1.5入(ru) |
7.Surface Flatness | 入/4@633nm |
8.Centration | 3 arc minutes |
9.Focal Length | ±1% |
10.Edge Chip | <0.1mm |
11.Bevel | Based on clients' requests |
12.Coating | Apply AR or based on client requests |