Round Double Concave High Optical Purity Lens - 2" (50mm) Diameter - 150mm Focal Length - 4.7mm Thick Approx. - Eisco Labs

• This round double concave high optical purity lens is designed for physics and educational uses.
• It is approximately 2" (50mm) diameter and 4.7mm 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.
• 150mm Focal Length
• Bulk lens and mirror sets available upon request.

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