home *** CD-ROM | disk | FTP | other *** search
/ The Epic Interactive Encyclopedia 1998 / Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso / Z / Zone_system / INFOTEXT < prev   
Text File  |  1992-09-02  |  224b  |  7 lines
  1. In photography, a system of exposure
  2. estimation invented by Ansel Adams that
  3. groups infinite tonal gradations into ten
  4. zones, zone 0 being black and zone 10 white.
  5. An f-stop change in exposure is required from
  6. zone to zone.
  7.