Elmidae sp.(여울벌레 sp.)
(2008년 북한산)
여울벌레 sp..jpgCanon | Canon EOS 450D | aperture priority (semi-auto) | Auto W/B | 0.033 s (1/30) (1/30) | F/0.0 | 1.00 (1/1) | 0.00(0/1) | ISO-800 | Flash-No | 2008:11:14 11:24:29