Fifty diffraction gratings are about to be delivered to Ukraine. A warm thank to the private groups from Eastern Europe who realized the importance of these free, easy to use small devices.
A user manual written in Russian will be also delivered with each diffraction grating. A translation made available by our friends from Ukraine. Thanks to all of them.
After a month spent going back and forth with a Professional 3D Printing Society, and some modifications in order to decipher as
Sorry, this entry is only available in Français.
Sorry, this entry is only available in Français.
Order your diffraction grating slide and go to the hunt of UFO’s spectrums. Several methods are available to get yours at low cost. The diffraction grating remains as free.
