Double Concave Lens 100mm Focal Length 2 50mm Diameter Spherical Optically Worked Glass Lens Ground Edges Polished Great For Physics Classrooms Eisco Labs

concave lens

concave lens

concave lens

concave lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

Convex Lens

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