| Shape: | Spherical |
|---|---|
| Structure: | Double Concave |
| Usage: | Optical |
| Material: | Glass |
| Brand Name: | Jiafu |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
Parameter
Diameter
2-150mm
Diameter Tolerance
+0/-0.1mm
Thickness Tolerance
+/-0.15mm
Focal Length Tolerance
+/-2%mm
Centring Error
<3′
Bevel
0.2mm-0/+0.2mmX45°
Surfae Quality
60/40
Surface Flatness
lambda/4@633nm
Clear Aperture
>90%
Material
Optical crystal such as glass, quartz, calcium fluoride, germanium, silicon
Coating
Specified by customers