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
Bob the Angry Flower the Angry Flower experiences all emotions at exaggerated levels. He builds giant killer robots, he deploys world-destroying lasers. He is sort of like your id with an unlimited budget." Notley has released his "Bob the Angry Flower" work under an original license. The license only enables sale of T-shirts with "Bob the Angry Flower" material from CafePress stores, and also requires that the image is sent to Notley, and by implication the link of the relevant CafePress store.<ref name='angryflower.com/t-shirts'> </ref> In 2006, Bob the Angry Flower was released as a collection by Tachyon Publications. Bob the Angry Flower Bob the