The story
Named after Austrian army Captain Theodor Scheimpflug, who used it in devising a systematic method and apparatus for correcting perspective distortion in aerial photographs.
Etymology from Wiktionary, CC BY-SA 4.0.
Scheimpflug principle
Today it means: A geometric rule that describes the orientation of the plane of focus of an optical system (such as a camera) when the lens plane is not parallel to the image plane. Full definition →