• Caption: A panorama of the grinding and polishing room. The mirror in the foreground is one of the 7 mirrors, each 8.4m in diameter, that will create the 24.5m (80.4 ft) primary mirror of the Giant Magellan Telescope.
  • Aperture: ƒ/4
  • Shutter Speed: 1/60
  • Date: 2/11/11 4:06:21 PM MST