High-precision spherical optics

Typical specifications:
– Diameter range 1,5 to 110mm, upon a special inquiry – up to 200mm
– Thickness range 0,4 ~ 50mm with tolerance of ± 0,05mm or better
Radius 1,5mm to infinity
– Form error PV up to lambda/10
– Surface cosmetics – up to 5/2×0,016 acc. to ISO 10110; S/D= 10-5 acc. to MIL-O-13830A
– Centering accuracy up to 30 arc sec
– Lenses with non-round shape
– Black varnishing of lens edge