Product Name: Lens Place of Origin: China Specifications: 1) Material: BK7 grade A optical glass, Fused Silica, CaF2, Si, Ge, Sapphire 2) Design wavelength: 546.1 nm 3) Dimension tolerance: +0.00, -0.15mm 4) Paraxial focal length: +/-2% 5) Centration: 3 arc minutes 6) Clear aperture: >80% 7) Surface figure: lambda/4 @ 632.8 nm 8) Surface quality: 60-40 scratch and dig 9) Bevel: 0.25mm x 45 degree Min Order Quantity: 1 – 99pcs Payment Term: T/T or L/C Delivery Time: 15 – 60 days