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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 ...
In optics and photography, hyperfocal distance is a distance from a lens beyond which all objects can be brought into an "acceptable" focus. As the hyperfocal distance is the focus distance giving the maximum depth of field, it is the most desirable distance to set the focus of a fixed-focus camera. [1] The hyperfocal distance is entirely ...
Cross-site scripting ( XSS) is a type of security vulnerability that can be found in some web applications. XSS attacks enable attackers to inject client-side scripts into web pages viewed by other users. A cross-site scripting vulnerability may be used by attackers to bypass access controls such as the same-origin policy.
Circle of Confusion, the talent management and production company behind “The Walking Dead,” has joined production and finance outfit Carte Blanche and Roadmap Writers’ genre screenwriting ...
Subjective refraction. Subjective Refraction is a technique to determine the combination of lenses that will provide the best corrected visual acuity (BCVA). [1] It is a clinical examination used by orthoptists, optometrists and ophthalmologists to determine a patient's need for refractive correction, in the form of glasses or contact lenses.
Former President Donald Trump confused the name of his White House physician just moments after he said that President Joe Biden should take a cognitive test.
(Original text) : A lens/ray diagram to facilitate calculating a circle of confusion diameter c from focal length f, focused subject distance S1 and out-of-focus subject distance S2. File usage The following pages on the English Wikipedia use this file (pages on other projects are not listed):
This is an example of light painting. Shutter speed is one of several methods used to control the amount of light recorded by the camera's digital sensor or film. It is also used to manipulate the visual effects of the final image. Images taken with a lower shutter speed evoke a visual sense of movement.