Optical Glass Lens, 3" (75mm) - 200mm Focal Length - Ground, Beveled Edges - Use as Top Spinning Base - Eisco Labs
Optical Glass Lens, 3" (75mm) - 200mm Focal Length - Ground, Beveled Edges - Use as Top Spinning Base - Eisco Labs
Product Features
- 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