optical lens
Material:optical glass
guarantee the quality
reasonable delivery
Minimum Order Quantity: 10 Piece/Pieces
Supply Ability: 1000 Piece/Pieces per Week
Payment Terms: T/T
Contact SupplierPackaging Detail: carton box
Delivery Detail: 15-30days
Bi-Concave Lenses
Negative lens with the form most suited to producing diverging light or a virtual image.
Bi-Concave Lenses
Negative lens with the form most suited to producing diverging light or a virtual image, where the input light is converging.
Materials: optical glass
Design Wavelength: 546.1nm
Design Index: 1.5187
Diameter Tolerance: +0/-0.1mm
Focal Length: ±2%
Centration: < 3 arc minutes
Clear Aperture: >85%
Surface Figure: l/4 @ 632.8nm
Bevel: 0.2mm to 0.5mm×45°