Uxcell 75mm Focal Length Double Concave Lens, 2 Pack 30mm Diameter 4mm Height Glass Optically Lens, Clear

Lens Double-Concave Glass, 50mm Diameter, 5cm Focal Length

Double Concave Lens, 150mm Focal Length, 3" (75Mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great For Physics Clas

Double Concave Lens, 250mm Focal Length, 3" (75Mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great For Physics Clas

Double Concave Lens, 50mm Focal Length, 2" (50Mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great For Physics Class

Round Double Concave Optical Glass Lens - 2" (50Mm) Diameter - 250mm Focal Length - 4mm Thick Approx. - Eisco Labs

Lens Double-Concave Glass, 50mm Diameter, 10cm Focal Length

Lens Double-Concave Glass Lens, 75mm Diameter, 20cm Focal Length. Sold In A

Lens Double-Concave Glass Lens, 38mm Diameter, 10cm Focal Length.

Lens Double-Concave Glass Lens, 38mm Diameter, 15cm Focal Length. Sold In A

Double Concave Lens, 100mm Focal Length, 3" (75Mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great For Physics Clas

Lens Double-Concave Glass Lens, 38mm Diameter, 15cm Focal Length.

Double Concave Lens 100mm Focal Length 2"" 50mm Diameter - Spherical Optically...

Double Concave Lens, 100mm Focal Length, 1.5" (38Mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great For Physics Cl

Ifundom Ueetek Labs Double Concave Optical Lens Glass Lens 300mm Focal Length 10cm Dia

4" 100mm Focal Length Double Concave Lens 2 Pack 40mm Diameter 6mm Height Gla...

Uxcell 200mm 300mm Focal Length Double Convex And Concave Lens Set, Glass Optically Lens Classroom, Clear

Double Concave Lens, 250mm Focal Length, 1.5" (38Mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great For Physics Cl

Optical Glass Lens, Double Concave, 75mm Diameter, 20cm Focal Length

Double Concave Lens, 1000mm Focal Length, 3"" (75Mm) Diameter - Eisco Labs

Nicemal 2Pcs Double Concave Lens High Optical Purity Double Concave Glass Lens

Double Concave Lens, 200mm Focal Length, 2" (50Mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great For Physics Clas

Optical Focal Length Double Concave Lens Plano Convex Lens Set DIY Telescope

Amlong Crystal Premium Optical Glass Double Convex And Concave Lens Set 50mm Diameter 3 Double Convex 20 30 50cm Fl And 3 Double Concave 20 30 50cm Fl

Lens Double-Concave Glass Lens, 50mm Diameter, 20cm Focal Length. Sold In A Pack Of 20 Lenses.

Lens Double-Concave Glass Lens, 38mm Diameter, 20cm Focal Length. Sold In A Pack Of 20 Lenses.

Nicemal 6 PCS Double Concave Lens High Optical Purity Double Concave Glass Lens

Round Double Concave High Optical Purity Lens - 2" (50Mm) Diameter - 50mm

Uxcell Optical Lens Set, 6Pcs Double Convex Lens Double Concave Lens Prism Len Convex Mirror Concave Mirror Plane Mirror