Scheimpflug principle

<p>The Scheimpflug principle is a description of the geometric relationship between the orientation of the plane of <a href="/facts/Focus_(optics)/QuRKfhg6">focus</a>, the lens plane, and the image plane of an optical system (such as a camera) when the lens plane is not parallel to the image plane. It is applicable to the use of some <a href="/facts/View_camera/whargCtU">camera movements</a> on a <a href="/facts/View_camera/whargCtU">view camera</a>. It is also the principle used in <a href="/facts/Corneal_pachymetry/mB4P3Hqc">corneal pachymetry</a>, the mapping of corneal topography, done prior to refractive <a href="/facts/Eye_surgery/MIBdYG7w">eye surgery</a> such as <a href="/facts/LASIK/QnonaDeI">LASIK</a>, and used for early detection of <a href="/facts/Keratoconus/vSL1at9P">keratoconus</a>. The principle is named after <a href="/facts/Austria/4qWIMIyc">Austrian</a> army Captain <a href="/facts/Theodor_Scheimpflug/UN0LhRob">Theodor Scheimpflug</a>, who used it in devising a systematic method and apparatus for correcting <a href="/facts/Perspective_(visual)/zkNx7Wpf">perspective</a> distortion in <a href="/facts/Aerial_photograph/Sp9D0crM">aerial photographs</a>, although Captain Scheimpflug himself credits <a href="/facts/Jules_Carpentier/smgs5wqv">Jules Carpentier</a> with the rule, thus making it an example of <a href="/facts/Stigler%2527s_law_of_eponymy/hqkn97eh">Stigler's law of eponymy</a>.
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Scheimpflug principle open-in-new

Scheimpflug principle