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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.
Jun 20, 2021 · Learn what circle of confusion is and how it affects focus, sharpness and depth of field in photography. See visual explanations, videos and calculators to understand this concept better.
Learn what the Circle of Confusion is and how it affects the sharpness and depth of field of your images. See how different apertures, lenses and focus distances create different effects and compare them with diagrams and photos.
Learn how to calculate the Circle of Confusion, the diameter of a blur spot that is seen as a point in a photo. Use the calculator to adjust the CoC for different sensor sizes, print dimensions, viewing distances and visual acuities.
Jun 7, 2021 · Learn what circle of confusion is and how it affects the sharpness of your photos. Find out how to adjust the aperture, focal length, and sensor size to control the optical blur.
Jul 5, 2022 · A single point on a subject is only registered as a point on the camera’s sensor if the lens is precisely focused at the right distance. Otherwise it will actually be recorded as a circle (known as a ‘circle of confusion’). Use this diagram to help you when it comes to the circles of confusion.
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Feb 13, 2024 · Learn what circle of confusion is and how it relates to depth of field, focal plane, and lens elements. Find out how to control the degree of blur in your photos with different aperture, focal length, and distance settings.
