At-Bristol host Ross Exton presents a few cheap methods for creating traditionally a traditionally pricey close-up macro lens at home, from simply reversing an existing lens to a hack using a laser pointer and a phone camera.
If you take apart the laser pointer, inside will be a tiny lens like this one. All you have to do is affix this lens to the front of the lens of the camera on your phone.
submitted via Laughing Squid Tips
