"3B torso model"

Four individually wrapped colored sticks of easy-to-use Permoplast modeling clay can come in handy when doing setups for an optical bench. Each stick of clay weighs 0.25 lbs. Colors include red, yellow, blue, and green.

Five single slits of different widths in a slide frame.

Photographic diffraction objects in a slide frame.

Photographic diffraction objects in a slide frame.

Every classroom that wants to investigate spectroscopy needs a good-quality spectrum tube and power supply.

Demonstrate the optical principles of lenses and mirrors.

Connect your smartphone to your laboratory optics.