Yep, that's obvious. The authors go much further than that. Take a look at the first two articles - it is rather interesting. (You can skip the math if it bothers you ;-) ).
Also, a brief (and rather dry) summary is available on Wikipedia: http://en.wikipedia.org/wiki/Hockney-Falco_thesis Igor Wed Jan 30 14:29:08 EST 2008 P. J. Alling wrote: The original camera was a darkened room with a lens and an artist drawing on the wall opposite the lens. Camera does mean chamber, as in room, in Latin. Igor Roshchin wrote: <..> > However, you may want to take a look at the articles > posted on Charles Falco's website (in the "scientific papers" area): > http://www.optics.arizona.edu/ssd/FAQ.html > <..> > Actually, this maybe of interest to some people on this list. > Charlie falco who is a physicist, together with an artist David Hockney > did a research where they used optical distortions to demonstrate > that some Renaissance era drawing were made by tracing images obtained > with lenses (diffractive and/or refractive). > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.