Supply Cylindrical lens Cylindrical lens EFL:+/-5mm +/-1000mm Size:3mmX4mm 150mmX100mm Material: optical glass, UV-grade fused silica,CaF2 Coating: AR coating Customer design Supply BK7 Plano-convex lens BK7 Plano-convex lens EFL:10mm 1000mm Dia:6.00mm?5.00mm Material: BK7(China K9) S/D:40/20 Centration: