catflap.org Online Dictionary Query

  lens stops /lˈɛnz stˈɒps/
  Blenden 
     Synonyms: diaphragm stops, diaphragms, stops
  
   see: diaphragm stop, lens stop, diaphragm, stop, aperture diaphragm, aperture stop, field stop, flare stop, focussed diaphragm, focused diaphragm, Hartmann diaphragm, critical diaphragm, critical aperture, lamellar diaphragm, iris diaphragm, pinhole diaphragm, pinhole, pseudo-lens, natural diaphragm, telecentric stop