Description

Specification of our plano-convex spherical lenses as follow:
*Material:Bk7,fused silica,CaF2,MgF2,BaF2,ZnSe infrared optical crystals.
*Focal length:+/*1%
*Length tolerance:*0.0 - *0.1mm
*Width tolerance:*0.0 - *0.1mm
*Center thickness tolerance:+/*0.1mm
*Surface Figure:lambda/2 at **3nm on plano side
*Surface quality:****0 stratch/dig
*Clear Apenture>*0%
*Chamfer:0.*5mm at *5 degree typical
*Coating:optional