United Scientific LCV108 Glass Double Convex Lens, 100mm Diameter, 200mm Focal Length

Physics Optical Experiment Set Multifunction Reflector Refraction Triangular Prism Convex Lens Concave Mirror Dial Linear Light Source Teaching

Uxcell 100mm Focal Length Double Concave Lens, 2 Pack 40mm Diameter 6mm Height Glass Optically Lens, Clear

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Uxcell 300mm Focal Length Double Convex Lens, 100mm Diameter 11mm Height Glass Optically Lens, Clear

Hemobllo Physical Optical Equipment Set - 1 Set Concave/Convex Lens Optical Bench And Attachment Set Complete Optical Teaching Equipment Physical

Premium Optical Glass Double Convex And Concave Lens Set 50mm Diameter 3 Doub...

GSC International 4-90910-20 Double-Concave Glass Lens, 20 Pack - 38mm Diameter, 20cm Focal Length, Polished Optical Glass For Classroom Physics And

PATIKIL Diameter 23mm Flat Convex Lens, 15 Pcs Height 8mm Acrylic LED Optical Convex Condenser Lens With Edge For Flashlight Car Bike Head Lamp

HUGE OPTICAL CONVEX CONCAVE LENS 7.5" DIAMETER GLASS THICK PRO OPTICS &M3-A-01

HUGE OPTICAL CONVEX CONCAVE LENS 8.25" DIAMETER GLASS THICK PRO OPTICS &M3-A-02

HUGE OPTICAL CONVEX CONCAVE LENS 8.25" DIAMETER GLASS THICK PRO OPTICS &M3-A-04

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

Uxcell 10cm Focal Length 40mm Double Convex And 10cm Focal Length 40mm Double Concave Lens, 2 Pack Glass Optically Lens

High Precision Optical Glass Lens Set - Double Convex And Concave,

Optical Glass Lens Set - 3 Dbl Convex 3 Dbl Concave 38mm Dia - 20 30 50cm FL

Meniscus Lens, Concave, 50mm Diameter - Focal Length, -3D - Spherical, Optically Worked Glass - Ground Edges, Highly Polished - Great For Physics Clas

Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 75mm Dia - 20, 30, 50cm FL

OPTICAL CONCAVE CONVEX LENS 6" DIA FL 45" LASER OPTICS BK7 GLASS BINA8-01

Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 50mm Dia - 20, 30, 50cm

Round Double Concave/Convex Optical Lens - 17 Pairs Total - 1.5 X 4/1.5 X 2

Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 50mm Dia - 20, 30, 50cm

5 Pack Of Single Lens Type Double Concave And Type Plano Convex