I got this cheap iPhone macro lens off eBay and considering it was under a tenner i think the results are pretty darn good! You have to get in extremely close but whaddaya want for a few quid! It comes with a metal ring that you stick to the back of your iPhone around the camera lens and the macro lens is magnetic so when you want to use it just pop it on. I think i’d be tempted to put a protector on the back of the iPhone first before sticking rings to it in case the glue leaves a mark on the phone. Incidentally you can screw on a wide angle attachment and some lenses come with a fisheye attachment too. I’ll see how i get on with it and i might buy myself a more expensive olloclip one day.