Product Review
Optical Glass Lens Set, 6 Lenses - 3 Double Convex, 3 Double Concave - 75mm Diameter - 20, 30, 50cm Focal Lengths
(3) Double Concave -20,30,50cm Focal Length, (3) Double Convex - 20,30,50cm Focal Length
This lens set is perfect for doing optical experiments comparing focal lengths and convex vs. concave lenses.
- 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
