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customized Optical cemented reticle lens for riflescope laser range finder Optical glued lens consist of two elements of different refractive index, which are cemented together to provide a positive focal ... Read More

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Wholesale K9 optical glass lens achromatic lens doublet cemented lens Material Optical glass, Fused silica, Silicon, Germanium, CaF2, MgF2, Sapphire, Znse, Zns Diameter 1.5 to 350mm Diameter Tolerance 0.05 mm ... Read More

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Professional Chinese Manufacturer Customized K9 Lens Cylindrical Lens Transparent Optical Lens Cylindrical lens is used to correct astigmatism in the eye, and, in rangefinders, to produce astigmatism, ... Read More