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 intermission. According to reviewer Lana Michelin of the "Red Deer Advocate", Kooman's changes strengthened the emotional pull of the play. Because of the amount of interest in "She Has a Name" in 2011, not enough tickets were available for the initial run, and a second run was planned for the end of 2011. To finance a tour of the play, Burnt Thicket Theatre raised money through fundraisers, which included the 2011 Calgary Ride for Refuge. In August 2011, extracts from "She Has a Name" were read at a conference in Strathmore called Justice Tapestry. A reading of the play took