Double Concave Lens, 50mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs hidden Broken Cell Wall sold2026 Size:4.5-Inch, 7/8-Inch Arbor B0DM8YKTDX LEAK RESISTANT Both ends
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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21