Adhesive diffraction grating for Cellular available

How to make a diffraction grating kit for a mobile phone imaging device

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.

Diffraction gratings Geolocation

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Diffraction Grating Adaptor/Holder

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Delivering diffraction gratings to Ukraine

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.