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
As Far as the Eye Can See actor Joaquin Phoenix. In 2008, the track "Light for the Deadvine" was featured in the penultimate scene of "Wilson's Heart", the season finale of the fourth season of the Fox medical drama series "House". Live keyboard player Ian Russell did not actually feature on As Far As The Eye Can See; he is not credited on the album's liner notes, and all keyboard parts on the album were played by Jones, Roberts and Williams. As Far as the Eye Can See As Far as the Eye Can See is the debut album of Welsh alternative rock band People in Planes