High quality double concave lens 30mm spherical molded lens optical lenses for telescope
Product name |
Spherical lens,optical lense |
Material | CaF2,quartz, fused silica, BK7, sapphire, CaF2, Zns and other crystal materials |
Type |
plano-convex lens,double-convex lens,plano-concave lens,double-concave lens,meniscus lens,Ball lens,UV Fused Silica Lens,CaF2 lens,Zinc Selenide Lens,BaF2 lens,MgF2 lens,Germanium lens,Silicon lens,Cemented lens,Special-shaped lens/Vibration lens,Endoscopic lens |
Focal length | ±5mm~1000mm±2% |
Size | 6mm-300mm |
Thickness tolerance |
±0.2mm |
Surface quality | 10/5~80/50 |
Beveling |
<0.2*4.5° |
Surface accuracy |
λ/10~λ/2 |
High quality double concave lens 30mm spherical molded lens optical lenses for telescope