United Scientific Demo50 Glass Demonstration Lens Set 6 Pieces 50mm Diameter

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

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