This lens set contains one double-convex lens, one plano-convex lens, one concavo-convex lens, one double-concave lens, one plano-concave lens, and one convexo-concave lens. The sets are available with 38mm diameter lenses or 50mm diameter lenses. Use them to study optics and focal lengths.
WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.