EISCO 6pc Optical Lens Set, 3 - 200mm, 300mm, 500mm Focal Lengths - 3 Double Convex & 3 Double Concave, 3 (75mm) Diameter Lenses - Optically True Glass - Ground, Beveled Edges
EISCO 6pc Optical Lens Set, 3 - 200mm, 300mm, 500mm Focal Lengths - 3 Double Convex & 3 Double Concave, 3 (75mm) Diameter Lenses - Optically True Glass - Ground, Beveled Edges
$33.99
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SPHERICAL || Each lens is spherical in shape and measures 3" (75mm) 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