It is allowed as it does not refer to our processes of making of photographs.
(Many of our lenses are designed by means of a digital computer (since early 50s), some of our "classic" cameras contain such (e.g. AE-1), much of our equipment has been manufactured with such means. The same for our films too.
But of course we could think of establishing at Apug a die-hard forum, of course only using snail-mail.)