catflap.org Online Dictionary Query

  flare stop /flˈeə stˈɒp/
  Gesichtsfeldblende , Feldblende 
     Synonym: field stop
  
   see: diaphragm stop, lens stop, diaphragm, stop, diaphragm stops, lens stops, diaphragms, stops, aperture diaphragm, aperture stop, focussed diaphragm, focused diaphragm, Hartmann diaphragm, critical diaphragm, critical aperture, lamellar diaphragm, iris diaphragm, pinhole diaphragm, pinhole, pseudo-lens, natural diaphragm, telecentric stop