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Uncoated Plano-Convex Lenses Diameter 25.4mm N-BK7 Optical Lens Wavelength 350 nm-2 m Optical Focusing Beam Expander Collimator

Uncoated Plano-Convex Lenses Diameter 25.4mm N-BK7 Optical Lens Wavelength 350 nm-2 m Optical Focusing Beam Expander Collimator

Uncoated Plano-Convex Lenses Diameter 25.4mm N-BK7 Optical Lens Wavelength 350 nm-2 m Optical Focusing Beam Expander Collimator

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K9 Optical Plano-Convex Lenses Uncoated BK7 Spherical Convex Lens Diameter 25mm Optical Experiment Focusing Lens Experiment Tool

K9 Optical Plano-Convex Lenses Uncoated BK7 Spherical Convex Lens Diameter 25mm Optical Experiment Focusing Lens Experiment Tool

K9 Plano-convex Lens Diameter 25.4mm Uncoated Wavelength 350nm-2um Optical Focusing Beam Expansion Collimator

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K9 Flat Convex Lens Diameter 25.4mm Without Coating, Wavelength 350 Nm-2UM-optical Focusing Beam Expanding Collimator

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K9 Plano - convex Lens 25 25.4mm Uncoated Wavelength 350nm - 2mm Optical Focusing Beam Expanding Collimator

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K9 Plano-Convex Lens 25mm BK7 Spherical Convex Lens Optical Experiment Focusing Lens Uncoated Long Focal Length

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BK-7 Plano-Convex Cylindrical Lens Square Size 40 / 60mm Uncoated K9 Cylindrical Lens Optical Experiment Focusing Beam Expanding

K9 Plano-Convex Lens 25mm BK7 Spherical Convex Lens Optical Experiment Focusing Lens Uncoated Long Focal Length

BK-7 Plano-Convex Cylindrical Lens Square Size 40 / 60mm Uncoated K9 Cylindrical Lens Optical Experiment Focusing Beam Expanding

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