
Double Concave Lens, 250mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished
- Ships from Rochester, NY
- US Customer Service
- 30-Day Return Policy
High quality, optically true lens. Made of highly polished, quality glass. Spherical with ground edges. Designed for educational purpose and science classroom demonstrations in optics and light physics. Lens measures 1.5" (38mm) in diameter, and has a diverging focal length of 250mm.