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Lens flare on Borobudur stairs to enhance the sense of ascending. A lens flare is often deliberately used to invoke a sense of drama. A lens flare is also useful when added to an artificial or modified image composition because it adds a sense of realism, implying that the image is an un-edited original photograph of a "real life" scene.
Backscatter (photography) The backscatter of the camera's flash by motes of dust causes unfocused orb-shaped photographic artifacts. In photography, backscatter (also called near-camera reflection [1]) is an optical phenomenon resulting in typically circular artifacts on an image, due to the camera's flash being reflected from unfocused motes ...
File:Lens flare scheme en.svg. Size of this PNG preview of this SVG file: 362 × 225 pixels. Other resolutions: 320 × 199 pixels | 640 × 398 pixels | 1,024 × 636 pixels | 1,280 × 796 pixels | 2,560 × 1,591 pixels. Original file (SVG file, nominally 362 × 225 pixels, file size: 86 KB) This is a file from the Wikimedia Commons.
Photographic lens design. The design of photographic lenses for use in still or cine cameras is intended to produce a lens that yields the most acceptable rendition of the subject being photographed within a range of constraints that include cost, weight and materials. For many other optical devices such as telescopes, microscopes and ...
In optics, a circle of confusion (CoC) is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source. It is also known as disk of confusion, circle of indistinctness, blur circle, or blur spot . In photography, the circle of confusion is used to determine the depth of field, the part of ...
An example of a portrait photo (of Katherine Maher ). Note the 'swirly' bokeh. How the bokeh varies with the aperture. 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, whether foreground or background or both.
A compound lens is a collection of simple lenses of different shapes and made of materials of different refractive indices, arranged one after the other with a common axis. In a multiple-lens system, each lens treats the previous lens's image as an object, and produces a new image of it, so that the imaging is cascaded through the lenses.
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