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China, Chinese Custom Optical Round Large Double Concave Glass Lens Bi-Concave Lens1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Optical Lens InstrumentOptical LensOptical LensBk7 Optical Lens
Shenyang Ebetter Optics Co., Ltd.
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Product Description Product DescriptionOptical Lenses are optical components designed to focus or diverge light, widely applicated from microscopy to laser processing. A Plano-Convex or Double-Convex lens causes light to focus to a point, while a Plano-Concave or Double-Concave lens diverges the light which traveling through the lens. Achromatic Lenses are ideal for correcting color, aspheric lenses are designed to correct spherical aberration.Ge, Si, or ZnSe lenses are suited for transmitting the Infrared (IR) spectrum, fused silica is well suited for the Ultraviolet (UV). Double-Concave LensesDouble-Concave (DCV) Lenses have two inward curved surfaces and a negative focal length. They are used for image reduction and to spread light.Diameter Tolerance+0.0/-0.05mmCenter Thickness Tolerance±0.2mmFocal Length Tolerance±2%Surface Quality60/40, 40/20 or better..MaterialBK7, UVFused silica, Ge,CaF2, ZnSeClear Aperture>90%Centering<1 arc minCoatingCustomBevelProtective bevel as neededShenyang Ebetter Optics Co., Ltd. has been engaged in more than 20 years. We have rich experience in production and customer service, it can meet the different custom requirement of customers.Our main products include Diffraction gratings, Optical lens, prisms, Optical mirrors, Optical windows and Optical filters etc.All products of our company have passed CE and RoHS certification, and we have ISO9001 certification.
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