Want to use your iPhone for macro photography? Aussie blogger Kirsty outlines how you can build a macro lens attachment using perennial Lifehacker favourite Sugru.
To achieve the zoom effect, Kirsty used part of an old lens, but you could get a similar result with a magnifying glass. The Sugru allows you to make a customer holder which attaches to the side of your iPhone, and the same approach could easily be adopted for other smartphones. Hit the link for step-by-step instructions.
How to make a macro lens for your (i)Phone [Kootoyoo]