Tamron USA is celebrating National Photo Month this May with its first Tamron Photo Scavenger Hunt. Participants will creatively photograph 14 clues and set-up an exhibit at MyPhotoExhibits.com by 31 May 2013. Tamron will pick the best overall exhibit based on image quality and creative interpretation of the clues. The winner will receive the award-winning Tamron SP 24-70mm F/2.8 Di VC USD zoom lens. This contest is only open to adult residents of the USA. Click through / read on for the rules, including a list of the 14 clues.