「nationalgeographic photo contest 2013」
http://photography.nationalgeographic.com/photography/photo-contest/2013/
「透明標本」
http://www.shinsekai-th.com/top.php
「DIY 35mm Camera」
http://petapixel.com/2013/12/11/diy-35mm-camera-includes-interchangeable-lenses-light-leaks/