![Double Convex Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific Double Convex Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81mpu6Uh5zL._AC_UF1000,1000_QL80_.jpg)
Double Convex Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific
![Amazon.com : Blisstime 2 Pairs of Bi-Convex Biconvex Lens Set 25mm Diameter 45mm Focal Length for Google Cardboard : Electronics Amazon.com : Blisstime 2 Pairs of Bi-Convex Biconvex Lens Set 25mm Diameter 45mm Focal Length for Google Cardboard : Electronics](https://m.media-amazon.com/images/I/613TLlLdhtL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Blisstime 2 Pairs of Bi-Convex Biconvex Lens Set 25mm Diameter 45mm Focal Length for Google Cardboard : Electronics
![Amazon.com : Replaceable Magnifying Glass Optics Lens 30x 50mm Double Convex Lens for Reading Small Prints,Maps,Book,Documents,Insect Inspection,Jewelry, Rocks,Coins, Low Vision : Health & Household Amazon.com : Replaceable Magnifying Glass Optics Lens 30x 50mm Double Convex Lens for Reading Small Prints,Maps,Book,Documents,Insect Inspection,Jewelry, Rocks,Coins, Low Vision : Health & Household](https://m.media-amazon.com/images/I/5182I4EMDzL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Replaceable Magnifying Glass Optics Lens 30x 50mm Double Convex Lens for Reading Small Prints,Maps,Book,Documents,Insect Inspection,Jewelry, Rocks,Coins, Low Vision : Health & Household
![2PCS Diameter 40mm Optical Glass Focal Length 22mm Height 16mm LED Optics Plano convex condenser Lens for LED - - Amazon.com 2PCS Diameter 40mm Optical Glass Focal Length 22mm Height 16mm LED Optics Plano convex condenser Lens for LED - - Amazon.com](https://m.media-amazon.com/images/I/41JdyKEui+L._AC_UF894,1000_QL80_.jpg)
2PCS Diameter 40mm Optical Glass Focal Length 22mm Height 16mm LED Optics Plano convex condenser Lens for LED - - Amazon.com
![Amazon.com: Scicalife Prisms 2pcs Optical Lens Set Convex Lens Concave Lens with Handle Kids Physical Optical Experiment Tool for Teaching Light Spectrum Physics Prism Labs 50mm Handheld Magnifying Glass : Beauty & Amazon.com: Scicalife Prisms 2pcs Optical Lens Set Convex Lens Concave Lens with Handle Kids Physical Optical Experiment Tool for Teaching Light Spectrum Physics Prism Labs 50mm Handheld Magnifying Glass : Beauty &](https://m.media-amazon.com/images/I/516kcQyGSuS._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Scicalife Prisms 2pcs Optical Lens Set Convex Lens Concave Lens with Handle Kids Physical Optical Experiment Tool for Teaching Light Spectrum Physics Prism Labs 50mm Handheld Magnifying Glass : Beauty &
![Double Convex Lens, 50mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific Double Convex Lens, 50mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81zp-NCTq+L._AC_UF1000,1000_QL80_.jpg)
Double Convex Lens, 50mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific
![Amazon.com: yangsense Double Convex Lens, 30mm Diameter Optical Glass Convex Lens, 2.5 X Magnifying Factor for DIY Magnifying Lens Physical Optics Experiment Lens Physics Classrooms : Industrial & Scientific Amazon.com: yangsense Double Convex Lens, 30mm Diameter Optical Glass Convex Lens, 2.5 X Magnifying Factor for DIY Magnifying Lens Physical Optics Experiment Lens Physics Classrooms : Industrial & Scientific](https://m.media-amazon.com/images/I/51W32YD0oBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: yangsense Double Convex Lens, 30mm Diameter Optical Glass Convex Lens, 2.5 X Magnifying Factor for DIY Magnifying Lens Physical Optics Experiment Lens Physics Classrooms : Industrial & Scientific
![50PCS Diameter 13mm Optical PMMA Plastic Focal Length 25mm Optical LED Double Convex Lens for LED Light - - Amazon.com 50PCS Diameter 13mm Optical PMMA Plastic Focal Length 25mm Optical LED Double Convex Lens for LED Light - - Amazon.com](https://m.media-amazon.com/images/I/81oX+EMcZEL._AC_UF894,1000_QL80_.jpg)
50PCS Diameter 13mm Optical PMMA Plastic Focal Length 25mm Optical LED Double Convex Lens for LED Light - - Amazon.com
![United Scientific Double Convex Lens, Glass, Unmounted, 100Mm Dia / 100Mm Fl, Each: Amazon.com: Industrial & Scientific United Scientific Double Convex Lens, Glass, Unmounted, 100Mm Dia / 100Mm Fl, Each: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51tirZ0xgcL._AC_UF1000,1000_QL80_.jpg)
United Scientific Double Convex Lens, Glass, Unmounted, 100Mm Dia / 100Mm Fl, Each: Amazon.com: Industrial & Scientific
![Double Convex Lens, 200mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific Double Convex Lens, 200mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71tOkPvRp4L._AC_UF1000,1000_QL80_.jpg)
Double Convex Lens, 200mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific
![United Scientific LCV108 Glass Double Convex Lens, 100mm Diameter, 200mm Focal Length: Microscope Lenses: Amazon.com: Industrial & Scientific United Scientific LCV108 Glass Double Convex Lens, 100mm Diameter, 200mm Focal Length: Microscope Lenses: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51mlgAA9RmL._AC_UF1000,1000_QL80_.jpg)
United Scientific LCV108 Glass Double Convex Lens, 100mm Diameter, 200mm Focal Length: Microscope Lenses: Amazon.com: Industrial & Scientific
![2PCS Diameter 30mm Optical Glass Focal Length 25mm Height 9.8mm LED Optics Plano convex condenser Lens for LED - - Amazon.com 2PCS Diameter 30mm Optical Glass Focal Length 25mm Height 9.8mm LED Optics Plano convex condenser Lens for LED - - Amazon.com](https://m.media-amazon.com/images/I/41s+Z+BZFtL._AC_UF894,1000_QL80_.jpg)
2PCS Diameter 30mm Optical Glass Focal Length 25mm Height 9.8mm LED Optics Plano convex condenser Lens for LED - - Amazon.com
![StayMax Concave Convex Lens Set Optical Glass Lens for Physics Teaching 2 Pack: Amazon.com: Industrial & Scientific StayMax Concave Convex Lens Set Optical Glass Lens for Physics Teaching 2 Pack: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/616bZSr9VdL._AC_UF1000,1000_QL80_.jpg)
StayMax Concave Convex Lens Set Optical Glass Lens for Physics Teaching 2 Pack: Amazon.com: Industrial & Scientific
![Amazon.com: WSF-Prism, 1pc K9 Optical Lens Flat Convex Mirror 16mm Diameter, 10mm Focal Length, Projector Lens Physical Experiment Teaching Tool Thickness 1.5mm (Color : Clear) : Industrial & Scientific Amazon.com: WSF-Prism, 1pc K9 Optical Lens Flat Convex Mirror 16mm Diameter, 10mm Focal Length, Projector Lens Physical Experiment Teaching Tool Thickness 1.5mm (Color : Clear) : Industrial & Scientific](https://m.media-amazon.com/images/I/513+sTy4YyL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WSF-Prism, 1pc K9 Optical Lens Flat Convex Mirror 16mm Diameter, 10mm Focal Length, Projector Lens Physical Experiment Teaching Tool Thickness 1.5mm (Color : Clear) : Industrial & Scientific
![Double Convex Lens, 1000mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific Double Convex Lens, 1000mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71lvDcj89UL._AC_UF1000,1000_QL80_.jpg)