Product Name: Si Ge CaF2 Sapphire Znse Len Cylindrical Lens Coating: UV Customized: Customized Lenses Color: Clear Material: Optical Glass Shape: Cylindrical Shaped Lens Transmittance: >95% Type: Convex Lens Usage: Lighting, Optical Diameter: 1mm-500mm Surface Quality: 40/20 Coat: Anti-Reflective (Ar) Coatings Clear Aperture: >90% of Diameter: >90% of Diameter Surface Flatness: 1/4 Lambda Trademark: FineWin Transport Package: Electrolytic Capacitor Paper, Foam, Carton Specification: customerised Origin: China Product Description Product DescriptionCylindrical lenses are used in optics system ,laser system, scanner system and many other applications. Sunday is manufacturing convex cylindrical lens, concave cylindrical lens, meniscus cylindrical lens, achroamtic lens.Diameter1mm to 500mmDiameter Tolerance+0.00/-0.1 or customer sizeMaterialN-BK7,H-K9L,Sapphire,Fused Silica(JGS1),Caf2,ZnSe,Si,Ge,etc.Surface Quality40/20Flatness1/4 lambdaThickness Tolerance+0.00/-0.05mmFocal Length Tolerance+/-1%Clear Aperture>90% of diameterCentration<3arcminCoatingSingle Mag2, Multiple Layers AR CoatingA:350-650nmB:650-1050nmC:1050-1585nmD: Customer Design