Spherical Lens,plano convex lens, plano concave lens

Spherical lens According to custom design to manufacture kinds of spherical lenses. Such as plano convex spherical lens, plano concave spherical lens, bi-convex spherical lens, bi-concave spherical lens, meniscus lens, achromatic lens, aspherical & spherical series. 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 torlerance:±0.1mm Centration: 3-5’ Surface accuracy: λ/2 Surface quality: 40/20 Clear aperture: 90% Coating: custom design