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Quick Details

Shape: Spherical
Structure: Double Concave
Usage: Optical
Material: Glass
Brand Name: Jiafu
Place of Origin: China (Mainland)

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