Description
Double Concave Lens, 100mm Focal Length, 2" (50mm) Diameter Spherical, Optically Worked Glass Lens Ground Edges, Polished Great for Physics Classrooms Eisco Labs industrial_Oct2022 But for safety PZN 11038827 LACALUT Interdental sold2026 B0CY2VTLLF Style:PVD Coated(black&grey) But for safety Not all transformers are equal