Fresnel

Fresnel

This is a shot of the giant Fresnel lens used in the lighthouse at Cabrillo National Monument in San Diego.

Metadata

  • Camera: Canon EOS DIGITAL REBEL XTi
  • Focal length: 70 mm
  • Aperture: f/4.5
  • Shutter: 1/45 sec
  • ISO: 100
  • Date taken: 2007-07-29 16:35:13
  • Date posted: 2007-11-06 02:06:09
  • Categories: [Black and White]  [Manmade]  [San Diego]  
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