Hanzhong Brisun Optics Co., Ltd. Is the high High precision optical element manufacturer provides customized production of Various optical lenses, including spherical lens, cylindrical lens, optical window, mirror, prism, filter, metal base mirror and other high-precision optical elements. The base materials include various optical glass, fused quartz, calcium fluoride (CaF2), zinc selenide (ZnSe), germanium (GE), silicon (SI), sapphire, metal and other materials. And provide antireflective film, high reflection film, spectroscopic film, metal film and other optical coatings. The plane convex cylindrical lens will focus the incident light on the line with positive focal length. It is composed of a plane and a convex cylinder. It is often used to focus parallel or divergent beams on the line or change the aspect ratio of the image. The flat concave cylindrical lens is composed of a plane and a concave cylinder, and its focal length is negative. It is often used to focus parallel or divergent beams on the line or change the aspect ratio of the image. Borisun optics provides cylindrical lenses without coating and coated with antireflection film. Antireflective film options include UV, VIS, NIR, and SWIR. Germanium, silicon or zinc selenide substrates are suitable for infrared applications, while fused quartz is suitable for ultraviolet applications. Technical parameters: Material: optical glass, H-K9L (N-BK7) Radius of curvature: ± 1mm - ± 50000mm ± 1% Outer circle: 3mm-500mm ± 0.1mm Center thickness tolerance: ± 0.05mm (we can process to ± 0.01mm with high precision) Center deviation: 3²(we can process to 30 ³with high precision) Surface accuracy: / 8 (high precision, we can process to 1 / 10�») Surface quality: 60/40 (we can process to 10-5 with high precision) Effective caliber: 90% Coating: according to the customer requirements In addition, we have thousands of kinds of stock, such as quartz plano convex lens, quartz plano concave lens, quartz biconvex lens, quartz biconvex lens, cylindrical lens, prism, filters, windows, beamsplitter and so on. The price is preferential and the quality is excellent, which can meet your demand for a small order. If you are interested it, welcome to inquiry us or search "Hanzhong Borisun Optics Co.,Ltd "to know about more details.