DOUBLE CONCAVE || Highly polished, double concave lens SPHERICAL || Lens measures 3' (75mm) in diameter and approximately 12mm thick 200MM FOCAL LENGTH || Diverging lens with a 200mm focal length OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with beveled, ground edges GREAT FOR PHYSICS CLASSROOMS or TOP SPINNING || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction. It's smooth, concave surface also makes this lens ideal for top spinning
EAN: 0849230033965
Manufacturer: EISCO
Brand: EISCO
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