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H-ZK9 Flat Convex Lens Optical Lens With A Diameter Of 30mm And A Focal Length Of 40mm Imaging AR Coating

JGS1 Quartz Lens, Plano-convex Lens Diameter 50.8mm, Focal Length 500mm, Uncoated/anti-reflection Coating 1064nm

Glued Lens H-ZF5/H-K9L Achromatic Optical Telescope Lenses 55mm Diameter 268.31mm Focal Length With Coating 400-700nm

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Plano Convex Lens Diameter Diameter31mm , Focal 54.92mm Optical Lenses K9 Glass Focusing Lens With AR Coating

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