camera-obscura

US /ˌkæm.rə əbˈskjʊr.ə/
UK /ˌkæm.rə əbˈskjʊr.ə/
1.

máy ảnh tối tăm

a box, room, or device with a small hole that lets light through and shows an image on an opposite surface:

:
A leaf with a tiny hole is perhaps the most primitive form of pinhole camera, also called a camera obscura.