Linear optical bench, polychromatic and monochromatic light, optical panel, slit and circle masks

Linear optical bench, polychromatic and monochromatic light.

Discrete light diffraction and wavelength setup with laser and rectangular holder

Mercury spectrum array with UV side window and grating

Set for discrete diffraction of light and wavelength.

Linear optical bench, double busbar, mercury spectral lines, monochromatic and polychromatic flashlights

vision defects set

Long linear optical bench, discrete light diffraction

Cidepe