This document explains, step by step, how to make a small equipment that will adapt a diffraction grating on the objective of your mobile phone.
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Sorry, this entry is only available in Français.
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.