Worth a try for $6

[Leishman]

I saw this (jewelers loop w/LED) while surfing and thought it would be good for coral inspections.
Worth a try for <$6

http://www.closeoutsupply.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=MI120LL
I'll post my review when I get it.

 

[GMaquarium]

Thats what I use. Not the same one but a regular jewelers loop