![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.jpg)
United Scientific LCV108 Glass Double Convex Lens, 100mm Diameter, 200mm Focal Length: Microscope Lenses: Amazon.com: Industrial & Scientific
![United Scientific Supplies LCC506 Double Concave Lens, 50 mm Diameter, 150 mm Focal Length: Amazon.com: Industrial & Scientific United Scientific Supplies LCC506 Double Concave Lens, 50 mm Diameter, 150 mm Focal Length: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51tirZ0xgcL.jpg)
United Scientific Supplies LCC506 Double Concave Lens, 50 mm Diameter, 150 mm Focal Length: Amazon.com: Industrial & Scientific
![United Scientific™ LSTA38 Demonstration Lens Set, Acrylic, 38mm: Science Lab Microscope Accessories: Amazon.com: Industrial & Scientific United Scientific™ LSTA38 Demonstration Lens Set, Acrylic, 38mm: Science Lab Microscope Accessories: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71cBVqzSjsL._AC_UF350,350_QL50_.jpg)