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
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