camera obscura
/ɒbsˈkjʊərə/noun
1- a darkened box with a convex lens or aperture for projecting the image of an external object on to a screen inside. It is important historically in the development of photography.暗箱。
1.1
- a small round building with a rotating angled mirror at the apex of the roof, projecting an image of the landscape on to a horizontal surface inside投像器。
词源
early 18th cent.: from Latin, 'dark chamber'.