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The adhesive Lens Cap with Diffraction Gating SpectroKit® 2.0 for smartphone is now available to order.
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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.
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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.