Everything is more colourful with these glasses consisting of a two-dimensional optical grating.
Ideal for use in class to demonstrate spectral tubes and the colour spectrum of light.
Contents: 10 pcs.
The grating has 205 lines/mm.
Everything is more colourful with these glasses consisting of a two-dimensional optical grating.
Ideal for use in class to demonstrate spectral tubes and the colour spectrum of light.
Contents: 10 pcs.
The grating has 205 lines/mm.