The Dutch Ring is a site for pinhole camera photographers. They have some beautiful examples on the gallery section of their site. There is something quite other-worldly about these lensless images. If you don’t remember your high school Physics or Art History, here is a page that can tell you. Camera Obscura trivia: Apparantly, as a boy, Satyajit Ray would watch images cast by the narrow slits in the windows on hot Calcutta afternoons, he credits those long afternoons for his interest in cinema.