60/40 40/20 lentille concave de Plano

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Nov 18, 2025
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Optical Elements Plano Convex Cylindrical Lens K9 Optical Glass Focal Length Condensing Lenses Accept Customization Specification Range of diameter Dia.0.7mm-Dia.400mm Range of curve radius R1.5-R∞ etc Tolerance of diameter +/-0.1,+/-0.01,+/-0.005 ect. Surface of diameter λ,1/2λ,1/4λ.1/10λ etc Tolerance of Thickness +/-0.1,+/-0.05,+/-0.01etc Centration +/-2',+/-1' etc Aperture N 5,1 etc Irregularity ΔN 2,1,0.5,0.2 etc Surface quality 60/40,40/20,20/10,10/5 etc Recommend
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