The application absorption spectrum can be observed the absorption spectra of sodium, mercury, hydrogen, to see the white light spectrum or to observe the absorption spectra (band) of copper sulfate solutions, mint syrup and potassium permanganate. For spectra of sodium, mercury and hydrogen it is possible to change the intensity of the spokes and zoom.

It is possible to zoom in on the drawing experience by clicking the Zoom button to zoom die just click on the drawing.