Chinese

Meniscus Lenses

One side of the meniscus lens is convex and the other side is concave. It can be a convergent lens or a divergent lens. It is determined by the refractive index, curvature and radius. It is widely used in camera systems, projection systems, imaging systems, optical viewfinders, laser measurement systems, etc.

Request


Specification:
Material:Optical glass, Fused Silica, Silicon,Germanium, Znse,Sapphire,Caf2,Mgf2,Baf2...
Diameter:1-500mm
Diameter Tolerance:+0/-0.01~+0/-0.1mm
Thickness Tolerance:±0.01~±0.1mm
Focal Length Tolerance (%):±1%
Irregularity (P-V) @ 632.8nm:λ/10~λ/2@632.8nm
Surface Quality:10/5~60/40
Centration:<30”~3'
Clear Aperture:>90%
Bevel:Protective bevel as needed
Coating:Uncoated,AR,BBAR