Circle of confusion

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An early calculation of CoC diameter (“indistinctness”) by “T.H.” in 1866.

In optics, a circle of confusion 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.

• See also: Wikipedia

• Related: Airy disk, Bokeh, Focal cloud, Point spread function

Circles of Confusion for Digital Cameras Circles of Confusion for Digital Cameras www.dofmaster.com/digital_coc.html - Web

Depth of field and circle of confusion Depth of field and circle of confusion www.nikonlinks.com/unklbil/dof.htm - Web

Depth of Field in Depth (PDF) Depth of Field in Depth (PDF) www.largeformatphotography.info/articles/DoFinDepth.pdf - Web

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What Is the “Circle of Confusion” What Is the “Circle of Confusion” fcalc.net/manual/coc.html - Web

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