Round Double Convex Optical Glass Lens - 2" (50mm) Diameter - 200mm Focal Length - 4.5mm Thick Approx. - Eisco Labs

• Round double convex optical glass lens
• Approximately 2" (50mm) diameter and 4.5mm thick
• 200mm focal length
• Designed for physics demonstrations and educational use; there may be minor imperfections and variation in thickness that do not affect function

Round double convex optical glass lens designed for physics and educational uses. 200mm focal length. Approximately 2" (50mm) diameter and 4.5mm thick.