Three Mirror Universal Diagnostic Lens 18mm O.D. with 1 Free Gonioscope Solution Holder
- This apparatus helps students easily to study these two important wave properties..
- The rotating base provides a high degree of accuracy when making measurements as well as provides an easy way to change angles without disturbing light source or the object the light is being shown upon.
- Included is an acrylic semi-circle that can be filled with different mediums for measuring the index of refraction..
- A light source is mounted on the base with single, double, triple and wide slit attachments, two metal shields for blocking light.
- Power supply is needed to run the light source..