EISCO Round Double Convex High Optical Purity Glass Lens – 2″ (50mm) Diameter – 50mm Focal Length – 15mm Thick Approx.

Round double convex high optical purity glass lens designed for physics and educational uses.

Features

• This round double convex high optical purity glass lens is designed for physics and educational uses.
• It is approximately 2″ (50mm) diameter and 15mm thick. Note, thickness varies as they are not designed to be consistent in that respect.
• Because of their educational use design, there may be minor imperfections that do not affect physical function.
• 50mm Focal Length