| Lenses, Set of six for demonstaration |
 |
 |
|
| Code: |
LP680 |
| Features: | For showing the most important types of lenses. Optically true with ground glass edges. Includes one each of double convex, plano-convex, double concave, plano- concave, concavo-convex and convexo-concave lens arranged in a velvet lined case. |
|
