Mike descending into the borehole slot, tethered by a steel cable.

Mike descending into the borehole slot, tethered by a steel cable.

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Technical Details

  • Camera: COOLPIX AW120
  • Taken: 2015/01/18
  • Focal length: 4mm
  • Aperture: f/2
  • Exposure: 1/30 second
  • ISO: 180

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