Feature

●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


Description

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