Negative meniscus lens

Spherical Mirrors
Our company is capable of producing a variety of specifications, radii, and substrate materials for plano-convex spherical mirrors, plano-convex cylindrical mirrors, plano-concave spherical mirrors, biconvex spherical mirrors, biconcave spherical mirrors, meniscus spherical mirrors, and other common spherical mirrors. We can also process special spherical mirrors such as achromatic spherical mirrors, aspherical mirrors, and spherical mirror assemblies.
Materials: Optical glass, UV fused silica (JGS1), IR fused silica (JGS3), as well as crystalline materials like calcium fluoride (CaF2), magnesium fluoride (MgF2), barium fluoride (BaF2), zinc selenide (ZnSe), germanium (Ge), silicon (Si), etc.
Focal Length: ±5mm — ±1000mm ±1%
(Tested with German TIROPTICS OPTOMATIC2000)
Outer Diameter: 4mm — 200mm ±0.1mm
Center Thickness Tolerance: ±0.1mm
Center Deviation: 3 — 5 arcminutes
Surface Accuracy: λ/4
Surface Quality: 40/20
Clear Aperture: 90%
Coating: Custom coating available according to customer requirements
Additionally, we have thousands of standard products, with some standard items in stock to meet your needs.