Prima Pars, (Proposito) 5: (On the analogy of eye & camera obscura)
Title: Perspectiva Communis
Author: Johannes Peckham
Date: 1504
Type: bookSection
Pages: 2-10, esp. p. 2(b) et seq.
Place: Venice
Download: https://content.mpiwg-berlin.mpg.de/mpiwg/online/permanent/vision/pdf/Peckham_CO_1504.pdf