Diaphragm (optics) the lens. The centre of the diaphragm's aperture coincides with the optical axis of the lens system. Most modern cameras use a type of adjustable diaphragm known as an iris diaphragm, and often referred to simply as an iris. See the articles on aperture and f-number for the photographic effect and system of quantification of varying the opening in the diaphragm. A natural optical system that has a diaphragm and an aperture is the human eye. The iris is the diaphragm, and the opening in the iris of the eye (the pupil) is the aperture. An analogous dev in a
She Has a Name rape scene as an actor. The premiere of "She Has a Name" was produced by Burnt Thicket Theatre in partnership with Raise Their Voice. The office of Joy Smith, MP for Kildonan—St. Paul, released a statement advertising the premiere of "She Has a Name". The premiere took place at the EPCOR Centre for the Performing Arts in Calgary in February 2011. Performances were scheduled to run on the centre's Motel stage between February 23 and March 5. Tickets quickly sold out. Four days after the premiere, Burnt Thicket Theatre moved the play to the Scott Block Theatre in Red Deer,