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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.
The adhesive Lens Cap with Diffraction Gating SpectroKit® 2.0 for smartphone is now available to order.
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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.
After a month spent going back and forth with a Professional 3D Printing Society, and some modifications in order to decipher as