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"Iris folding" is an Arts and Crafts term used to describe folding paper in such a fashion so as to form a design. There are various patterns available for specific designs one can make with Irish folding. The technique is named because the center of the folded design resembles the iris of a camera.

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Who created iris folding?

Iris folding started in Holland.


What is diastrophism?

Diastrophism is the general term for faulting and folding within the crust, the deformation and movement of the solid rocks of the Earth.


What is an iris proof?

An iris proof is a print from an iris printer that is a tool for the customer to see what the print job will look like.


Who is Iris Richardson?

Iris Richardson is a photographer that specializes in commercial photography. She often does photos of food.


What does the diaphragm mean in photography?

The diaphragm, often called the "iris" diaphragm for its identical form and function to the iris in your eye, regulates the physical amount of light allowed to pass through a camera lens. It may be called the "iris," the "diaphragm," the "iris diaphragm," the "stop," or the "aperture." All mean the same thing.Physically, the diaphragm or iris diaphragm is made up of overlapping thin opaque metal plates, usually six or eight, which can be adjusted to increase or decrease the diameter of the hole, called the stop, in the center of the lens. The diaphragm is often located at the optical center of the lens between sets of elements. On manual cameras there is usually a ring around the lens barrel marked in f/stops for adjustment of the diaphragm.The iris (diaphragm) in your eye, working properly, automatically opens or closes in response to light level. When you are exposed to strong light the iris closes down (or "stops" down) to a smaller diameter, decreasing the light reaching your retina (equivalent to the film or sensor in your camera). In dim light, the iris opens up to admit more light. The diaphragm in your camera works the same way, and on modern cameras it's often equally automatic. You may never even notice it's working.In a camera, the iris diaphragm and the shutter have to work together to control the total exposure. The iris diaphragm controls the amount of light, and the shutter controls the amount of light over time. Depending on the make and model of the camera, shutter and diaphragm may be manual, automatic or both. The diaphragm is the mechanism that varies the size of the aperture; the opening that allows light into the camera.