欧美黑人巨大xxxxx_永久黄网站色视频免费直播_国产乱来乱子视频_超碰97资源站

Double convex cylindrical lens

The double convex cylindrical lens has a convex cylindrical surface, which enables the incident light to focus on a certain dimension and stretch the image, and the other side is concave. The focal length of biconvex cylindrical lensr is positive, which is suitable for laser line generation or deformed beam shaping
+86
Detail

The double convex cylindrical lens has a convex cylindrical surface, which enables the incident light to focus on a certain dimension and stretch the image, and the other side is concave. The focal length of biconvex cylindrical lensr is positive, which is suitable for laser line generation or deformed beam shaping


Double-concave 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