Specifications£º
Material: Bk7, Quartz, Caf2, Sapphire etc.
Diameter: .OD:2mm-120mm
Edge thickness: 1mm +/- 0.10mm.
Focal length: 0.1% to 2% .
Surface quantity: 80/50 to 20/10 .
Centration: 1 to 3Arc minutes
Fringes: 1 to 5
Clear Aperture>90% of diameter
Coating: Uncoated, AR, HR, PR coating, etc.
Shaps:
Spherical, aspheric, ball, plano, cylindrical etc.
Applications:
Lighting ,project,viedo projector,saolar system,telescope, etc.
