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