Backup source of DNG (No. 1)

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  • 1 (2015-06-13 (Sat) 23:24:47)
  • 2 (2016-02-27 (Sat) 13:37:49)
  • 3 (2016-02-27 (Sat) 20:17:30)
  • 4 (2016-11-10 (Thu) 14:11:15)

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- http://ja.wikipedia.org/wiki/Digital_Negative