Optical Lens Set, 2", 6-Piece, Convex and Concave Capacity_25000mL and accessories for comprehensive laboratory

and accessories for comprehensive laboratory setup

Concave glass mirror at 150mm (5

suspended from 37

and acrylic in a foam-lined wooden case for density-versus-material investigations

iron nickel-plated hangers

Optical Lens Set, 2", 6-Piece, Convex and Concave Capacity_25000mL and accessories for comprehensive laboratorySPHERICAL Each lens is spherical in shape and measures 2" (50mm) in diameter FOCAL LENGTH VARIETY Converging and diverging focal lengths in 200mm, 300mm and 500mm OPTICALLY WORKED GLASS Made of high quality, optically worked glass. Highly polished with ground edges GREAT FOR PHYSICS CLASSROOMS This optically true lens set is excellent for physics classroom demonstrations in optics and light refraction Set of Six Optically True Concave & Convex Lenses