CreatorOptics Bi-concave Lens, Double-concave Lens, Custom - 1 Pages

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CreatorOptics Bi-concave Lens, Double-concave Lens, Custom

Catalog excerpts

Nanjing Creator Optics Co., Ltd. Bi-concave Lenses / Double Concave Lenses (DCV) The Bi-Concave / Double-concave Lens has a focal length, diverges collimated incident light, and forms only virtual images that are seen through the lens. It's often used to expand light beams or to increase focal length in existing systems, and is normally used in combination with other lenses, In a single lens application you should consider using them in preference to a single plano-concave lens if the magnification lies in the region. The main material of double concave 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 Concave Lens, Bi-concave Lens ● Special Cutting, rectangular or square, step

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