DOUBL CONCV LENS-2 DIA 150MMFL, Each

Details:

This round double-concave high-optical-purity glass lens is designed for physics and educational applications. It has an approximate diameter of 2 inches (50mm) and a thickness of 4.7mm, although the latter may vary as consistency is not a design priority. Due to their educational use design, minor imperfections that do not affect physical function may be present. The lens features a 150mm focal length. Bulk lens and mirror sets are available upon request.