==========
 Glossary
==========

.. glossary::

   DOF

      Depth of field.  Range of distances where objects appear acceptabliy sharp.
      See: https://en.wikipedia.org/wiki/Depth_of_field

   EXIF

      Standard that specifies how metadata is incorporated into image files.
      See: https://en.wikipedia.org/wiki/Exif

   grey card

      A piece of cardboard that is exactly 18% reflecting neutral grey. See:
      https://en.wikipedia.org/wiki/Gray_card

   color reference chart

      A card that has many different color samples on it.  See:
      https://en.wikipedia.org/wiki/Color_chart

   PC Sync

      A standard connector used in photography to synchronize the flash to the
      shutter.  See: https://en.wikipedia.org/wiki/Prontor-Compur

   RAW

      RAW image file format.  A file format that contains the unprocessed values
      read from the camera sensor.  See:
      https://en.wikipedia.org/wiki/Raw_image_format