Specifications Material: UV Grade Fused Silica Design Wavelength: 632.8 nm, Design Index: n=1.45702 ±0.00005 Surface Figure: x: l/2; y: 2l Dimension Tolerance: ±0.2mm Paraxial Focal Length: ±2% Centration: 3...[more]

    Specifications Material: UV Grade Fused Silica Design Wavelength: 546.1nm Design Index: 1.46008±0.0005 Diameter Tolerance: +0.0, -0.15mm Paraxial Focal Length: ±2% Centration: 3 arc minutes Clear Aperture: >80%...[more]