I have heard that's how some people do it (30x). However a pocket microscope is 8 dollars at Radio Shack and varies I think from 40 to 80x, and you can take pictures with it, or I should say through it with some popular cameras.
Opie Yutts Reviewed by Opie Yutts on . Pocket Microscopes I've seen a few pocket microscopes going on policebay would a 30x magnification be alright for trich inspection? Rating: 5