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Biconvex lenses are mainly used to converge light from light sources or other optical systems to deliver images.
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Detail

Biconvex lenses are mainly used to converge light from light sources or other optical systems to deliver images.


Double concave lens specification or based on clients' requirements


1.Material

Domestic or foreign materials are selected based on clients' requests

2.Diameter tolerance

0/-0.01mm

3.Clear aperture

90%-100%

4.Tolerance of CT or ET

±0.02mm

5.Vector Tolerance

±0.015mm

6.Aperture Tolerance

±0.02mm

7.Surface Quality

US Military Standard 10-5，ISO Standard 3X0.063

8.Curvature Tolerance

±1.5入

9.Surface Flatness

入/10@633nm

10.Centration

30 arc seconds

11.Focal Length

±1%

12.Edge Chip

＜0.1mm

13.Bevel

Based on clients' requests

14.Coating

Apply AR or based on client requests