This particular article emphasizes artistic interpretation. Another viewpoint is suggested in a New Scientist book review on the subject: https://www.newscient

This particular article emphasizes artistic interpretation. Another viewpoint is suggested in a New Scientist book review on the subject: https://www.newscientist.com/article/mg22630152-300-eye-of-the-beholder-life-through-the-camera-obscura/ https://www.newscientist.com/article/mg22630152-300-eye-of-t... which considers the possible use of lenses and a camera obscura arrangement which would have enabled direct tracings onto the hemp canvas or parchment at the time (wonder if they toked it?).