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
Same Name Same Name Same Name is an American reality television series in which an average person swaps lives with a celebrity of the same first name and surname. It premiered on July 24, 2011 on CBS. After four episodes, CBS pulled the low-rated series from its Sunday night line-up. On the series, two people with the same name switch lives. One person is a well-known celebrity, while the other person is an ordinary individual who simply shares the first and last name of the celebrity. By the end of the episode, they resume their original lives, and comment how they enjoyed