1.Material:N-BK7
2.Design Wavelength:587.6nm
3.FL:3.91mm
4.Bf:1.4mm
5.Surface quality:60/40
Port: Changchun
Minimum Order Quantity: 10 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Month
Payment Terms: T/T,MoneyGram,paypal
Contact SupplierPackaging Detail: carton case
Delivery Detail: 15-25 days
Specifications:
1.Material:N-BK7
2.H:4.00mm
3.L:6.00mm
4.Focal length:3.9mm
5.Back focal:1.4mm
6.Clear Aperture>90%
7.Centration<5arcmin
8.Surface quality:60/40 for standard
Demension tolerance:+/-0.1mm
Coating:BBar Ravy<0.5% from 350nm to 700nm
Other specifications and material are on request!