- This round double convex optical glass lens is designed for physics and educational uses.
- It is approximately 2" (50mm) diameter and 4.5mm 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.
- 250mm Focal Length
Round double convex optical glass lens designed for physics and educational uses.