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China, Chinese Clear Optical Glass Laser Plano Concave Lens1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Optical Lens InstrumentOptical LensCamera LensLaser Optics
PreciSe Hyper iMage Optics (Suzhou) Co., Ltd.
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Product Description SpecificationcommercialCommercialHigh PrecisionMaterialAs Required Schott,CDGM.etc.As required Schott, CDGM,etc.Diameter Tolerance+0.00/-0.20mm+0.00/-0.05mmFocual Length ToleranceTypical +/-5%@633nmTypical +/-2% @633nmCentrationTypical <3arcminTypical <3arcminSurface Flatness@632.8nmL/4L/8Surface Quality80-5040-20Bevel0.2-0.50.05-0.2CoatingAs required, with paint, Protection coating, high precisionPlano-concave, a collimated light beam passing through the lens is spread, then we called it as a negative or diverging lens. The beam after passing through the lens, appears to emanate from a particular point on the axis in front of the lens. The distance from this point to the lens is the focal length. The reason we called negative based on the comparison between the plano-convex positive lens. PHYO OPTICS supply plano-concave lens in material of N-BK7,Fused Silica,CaF2,SF11,H-BaK4,H-BaK7,etc, also coating as requested.PHYO OPTICS Production Material Choosing_____________________________________________________________________________________Surface finishing high precision Polishing and Coating________________________________________________________________________________________Thin film Coating and design_________________________________________________________________________________________Assembly_________________________________________________________________________________________Packing for Delivery__________________________________________________________________________________________
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