Meniscus Lens

01 Jun 2010

Supply Meniscus Lens

Material: flint glasses, UV-fused silica, Infrared fused silica, CaF2, Ge, ZnSe, Si, etc. Focal length: +/-5mm --+/-1000mm+/-1% (test by TIROPTICS OPTOMATIC2000 made in Germany) Diameter: 4mm--200mm+/-0.1mm Tc tolerance:+/-0.1mm Centration: 3-5' Surface accuracy: lambda/2 Surface quality: 40/20 Clear aperture: 90% Coating: custom design