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DescriptionSPHERICAL || 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 6 || Set of six includes 3 double convex lenses and 3 double concave lenses
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