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Nanjing Creator Optics Co., Ltd. Bi-convex Lenses / Double Convex Lenses (DCX) The Bi-Convex Lens has large range of lengths and are the optimum shape for producing real images at 1:1 magnification. In a single lens application, you should consider using them in preference to a single plano-convex lens if the magnification lies in the region -5<-0.2. It is widely used in telescope, collimators, optical transceivers, magnifiers, radiometers and condensers. The main material of double convex lens are as follows: BK7 glass and all catalog optical glass, Sapphire crystal, Quartz crystal, UV Fused Silica, Germanium monocrystal (Ge), Silicon monocrystal, ZnSe, Barium Fluoride (BaF2), Calcium Fluoride (CaF2), ZnS, Pyrex, BOROFLOAT, float glass, etc. Characteristic & Quality Grade Selection Chart Specifications/Grade Diameter 3 to 150mm, customized available Diameter 1 to 300mm, customized available Thickness Tolerance Surface Quality Clear Aperture Chamfer/Bevel Surface Accuracy Anti-reflective coatings, customized available ● Circular / Round Double Convex Lens, Bi-convex Lens ● Special Cutting, rectangular or square, step
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