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Product Name: Plano-Concave Cylindrical Optical Glass Lens Model NO.: plano-concave cylindrical Coating: Clear Customized: Customized Certification: RoHS, ISO9001, CE Lenses Color: Clear Material: Glass Shape: Cylindrical Shaped Lens Transmittance: 90%-95% Type: Cylindrical Lens Usage: Lighting, Medical, Optical Trademark: Haisheng Transport Package: Carton Package Specification: customized Origin: China HS Code: 9001909090 Product Description plano-concave cylindrical optical glass lensProduct description:cylindrical glass lensCylindrical lens are used to corrent astigmatism in the eye and in rangefindere, to produce astigmatism, tretching a point of light into a line, they are widely used in bar code scanning, projection optics systems, laser measurement systems and holography.Cylindrical lens are avaliable in either plano-concave configurations from Ruisen, plano-concave lens have a negative focal length and are used for image reduction or to spread light , plano-convex lens have a positive focal length, which make them idea for collecting and focusing light for many imaging applications.Specification1:MaterialBK7 , fused silica,K9Surface Figureλ /2@633nm on plano sideSurface Quality60-40Dimensional Tolerance+ 0.0mm, - 0.1mmThickness Tolerance± 0.2mmChamfer0.25mm at 45° typicalConcentricity3 minutesFocal Length Tolerance± 1% typicalAntireflection CoatingWavelength user specifiedR 0.25% for V-type AR coatingR 0.5% for BBAR coating, per surface.Clear ApertureExceeds central 85% of dimensionTechnology Index:Production:Package:Delivery:
