Specifications

1,Materialkinds of different optical glass
2,With achromatization effect
3,Good imaging effect

Round glass lens, spherical glass lenses

We can make different round lenses with kinds of materials and specifications according to customer's specific requirements.

 

Specifications:

Diameter	3 - 100mm
Thickness	1 - 5mm
Diameter tolerance	1mm
Thickness tolerance	0.05mm
Edge	ground or finished
Bevel	0.25 x 45
Flatness	λ/2 per inch at 633nm
Parallelism	<3
Surface quality	60/40
Clear aperture	≥85%
Coating	according to your requests
Material	BK7, sapphire, fused silica, quartz, Ge, Si, MgF2, CaF2

Remarks: The above parameters are only for the normal optics' reference basis. Concrete specifications will be different according to different materials and dimensions.