concave lens for optical imagine
double or plano concave lens
competitive price
strict test and high quality
fast delivery
Port: FOB changchun
Minimum Order Quantity: 1 Piece/Pieces offer samples
Supply Ability: 100,000 Piece/Pieces per Month fast delivery
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: protective packing
Delivery Detail: 20 days for sample concave lens
concave lens
concave lenses are manufactured with one concave surface
The concave lenses have negative focal lengths.
specifications of concave lens
Material: BK7 glass,UV grade fused silica,CaF2 etc.
Diameter: 5mm to 300mm
Diameter Tolerance: +0.0,-0.1mm
Center Thickness: +/-0.2mm
Bevle <0.25mm
Paraxial Focal Length: +/-1% (EFL<1m)+/-2%(EFL>1m)
Surface Quality 60-40 scrath and dig or better
Clear Aperture: 90% of diameter
Coating: Uncoated, AR, HR, PR Coating, etc.
We could offer concave or convex lens according to custom design.
Besides, there are a large volume of stock optical components in various
shapes and sizes to facilitate quick deliveries.