catflap.org Online Dictionary Query

  focussed diaphragm /fˈəʊkəsst dˈaɪəfɹˌam/
  fokussierte Blende
     Synonym: focused diaphragm
  
   see: diaphragm stop, lens stop, diaphragm, stop, diaphragm stops, lens stops, diaphragms, stops, aperture diaphragm, aperture stop, field stop, flare stop, Hartmann diaphragm, critical diaphragm, critical aperture, lamellar diaphragm, iris diaphragm, pinhole diaphragm, pinhole, pseudo-lens, natural diaphragm, telecentric stop