OLAN optics technology co. supply all kinds of the optical spherical lens such as Plano convex spherical lens, Plano concave spherical lens, Doublet convex spherical lens, Doublet concave spherical lens, Meniscus lens, Achromatic Doublet lens, Square spherical lens, ball lens. To manufacture custom design and coating. 

Material: Optical glass, Fused Silica, CaF2, Germanium, Silicon, Zinc Selenide,Sapphire, Crystal, Metal, etc.

Radius of curvature: +/-5.0mm ~+/-500mm

Paraxial Focal Length: +/-1% 

Centration: <3 arc minutes  

Clear Aperture: >90% 

Surface Figure: 1/4Lambda at 632.8 nm 

Surface Quality: 60-40 scratch and dig