Diaphragm (optics) photographic lens is called an iris diaphragm. In the early years of photography, a lens could be fitted with one of a set of interchangeable diaphragms , often as brass strips known as Waterhouse stops or Waterhouse diaphragms. The iris diaphragm in most modern still and video cameras is adjusted by movable blades, simulating the iris of the eye. The diaphragm has two to twenty blades (with most lenses today featuring between five and ten blades), depending on price and quality of the device in which it is used. Straight blades result in polygon shape of the diaphragm opening, while
She Has a Name educate Canadians about human trafficking and motivate them to act on what they learn, thereby turning them into anti-sexual slavery activists. "She Has a Name" received strong endorsement from Canadian activists, including MP Joy Smith, Ratanak International's Brian McConaghy, and IJM Canada's Jamie McIntosh. The play's premiere and initial run were critically acclaimed. In the 2012 tour across Canada, "She Has a Name" was performed in several fringe theatre festivals, at which critics representing the "Montreal Gazette", the "Winnipeg Free Press", and CFEQ-FM said it stood out for its quality and moral content. "She Has a Name" was the first