spherical lens
Dia:120 to 300mm
Centration:3' to 1'
S/Q:40/20 or better
Material:Schott glass
Port: FOB changchun
Minimum Order Quantity: 2 Piece/Pieces
Supply Ability: 5000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: cutomized protective packing box
Delivery Detail: 20 days
large spherical lens
spherical lens could use materials: BK7,UV fused silica, CaF2 and Optical crystal.
Special focusing systems are able to be designed upon your request.
Key Specifications/Special Features:
spherical lens
Specifications: Materials: Bk7, quartz, Caf2, crystal
Diameter: 120 to 300mm Diameter tolerance: 0.01mm to 0.1mm
Edge thickness: 1mm +/-0.10mm
Focal length: 0.1% to 2%
Surface quantity: 80/50 to 20/10
Centration: 1 to 3 arc minutes
Fringes: 1 to 5
Coating: No or AR
In addition,we also have some stock lenses for your option.