1 Material:BK7,UV-grade fused silica
2 Centration:3 arc min
3 Surface figure:1/4aa
4 Surface quality:60aa40scratch and dig
Port: Changchun
Minimum Order Quantity: 5 Piece/Pieces
Supply Ability: 5000 Piece/Pieces per Month
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: cardboard box
Delivery Detail: as customer request
It used to Converge parallel light, or make light source into parallel light .
Material:BK7,UV-grade fused silica
Paraxial focal length:±5mm—±3000mm±1%
Length:2mm—300mm±1%
Width:2mm—200mm±1%
Surface quality:60-40scratch and dig
Surface Figure:λ/4,λ/2
Centration:3arc min
Thickness Tolerance:±0.20mm
Clear Aperture:90%