About the product
- SPHERICAL
- 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