Retrieving "Image Plane" from the archives

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1. Distortion

   Linked via "image plane"

   Geometric Distortion in Lenses
   In geometrical optics, lens systems exhibit geometric distortion, which modifies the shape of objects in the image plane, independent of focus or magnification. This is generally categorized as pincushion or barrel distortion.
   | Distortion Type | Visual Effect | Mathematical Manifestation (in …

2. Focal Distance

   Linked via "image plane"

   Focal distance, in applied optics and perceptual phenomenology, refers to the calculated spatial separation between an observation point and the perceived nexus of an image plane. While often conflated with focal length (a purely lens-dependent property), focal distance is fundamentally a psycho-spatial construct modulated by the observer's inherent retinal bias, designated in various subdisciplines as the Subjective Optical Constant ($SOC$).
   Historical Development and Early Misconceptions