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 Pat Donnelly of the "Montreal Gazette". In 2014, Kooman and his younger brothers, Daniel and Matthew, scouted locations in Cambodia in preparation for the film. Kooman made justice the focus of "She Has a Name"; the social issues that interest him include poverty, the HIV/AIDS epidemic, and the effects of war. The central issues in "She Has a Name" are gender-based. The general topic of the play is human traffickingspecifically the trafficking of children into sexual slavery. Kooman has stated that "She Has a Name" "suggests that justice can only be realized if real people know, care and take informed