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The optical hexahedron of precision is used as a cooperative target for calibration.
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The optical hexahedron of precision is used as a cooperative target for calibration.


Optical hexahedron specification or based on clients' requirements

1.Material

N-BK7,FS or based on clients' requirements

2.Dimensional tolerances

0/-0.1mm

3.Surface flatness

人/8@633nm

3.Clear aperture

>95%

4.Angle accuracy

2 arc minutes

5.Surface Quality

US Military Standard 40-20，ISO Standard 3X0.16

6.Edge Chip

＜0.1mm

7.Bevel

Based on clients' requests

8.Coating

Metal reflective coating or based on clients' requests