K9 Plano Convex Diameter 50mm Focal Length 113mm Optical Film Optical Spherical Plano Convex Lens

K9 Plano Convex Diameter 50mm Focal Length 113mm Optical Film Optical Spherical Plano Convex Lens

K9 Plano Convex Diameter 50mm Focal Length 113mm Optical Film Optical Spherical Plano Convex Lens

K9 Plano Convex Diameter 50mm Focal Length 80mm Optical Film Spherical Plano Convex Lens Magnifying Optical Glass Spherical

K9 Plano Convex Diameter 50mm Focal Length 80mm Optical Film Spherical Plano Convex Lens Magnifying Optical Glass Spherical

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K9 Plano Convex Diameter 25mm Focal Length 50mm Coated Optical Film Spherical Glass Convex Lens Optical Plano Convex Glass Lens

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Optical flat convex lens diameter 50mm focal length 113mm K9 material boutique customization

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