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The photoelectric effect is the emission of electrons from a material caused by electromagnetic radiation ( light ). Electrons emitted in this manner are called photoelectrons. The phenomenon is studied in condensed matter physics, solid state, and quantum chemistry to draw inferences about the properties of atoms, molecules and solids.
In photography, bokeh ( / ˈboʊkə / BOH-kə or / ˈboʊkeɪ / BOH-kay; [1] Japanese: [boke]) is the aesthetic quality of the blur produced in out-of-focus parts of an image, caused by circles of confusion. [2] [3] [4] Bokeh has also been defined as "the way the lens renders out-of-focus points of light". [5]
Miniature faking, also known as diorama effect or diorama illusion, is a process in which a photograph of a life-size location or object is made to look like a photograph of a miniature scale model. Blurring parts of the photo simulates the shallow depth of field normally encountered in close-up photography, making the scene seem much smaller ...
The red-eye effect in photography is the common appearance of red pupils in color photographs of the eyes of humans and several other animals. It occurs when using a photographic flash that is very close to the camera lens (as with most compact cameras) in ambient low light.
The Droste effect ( Dutch pronunciation: [ˈdrɔstə] ), known in art as an example of mise en abyme, is the effect of a picture recursively appearing within itself, in a place where a similar picture would realistically be expected to appear.
Image editors usually have a list of special effects that can create unusual results. Images may be skewed and distorted in various ways. Scores of special effects can be applied to an image which include various forms of distortion, artistic effects, geometric transforms and texture effects, [9] or combinations thereof.
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