We present a tutorial approach to understanding the ancient process of stereo photography. A simple transformation of object space allows the complete recording and viewing system, typically independent functions with a non-optical step, to be represented as an equivalent first-order optical system.
Peter P. Clark, Peter P. Clark,
"Stereo-3D from the optical designer's point of view", Proc. SPIE 10590, International Optical Design Conference 2017, 105901Z (27 November 2017); doi: 10.1117/12.2291762; https://doi.org/10.1117/12.2291762