21. How does a pinhole camera project an image? 22. Early in the episode, Micah is making a pinhole camera through which to witness the eclipse. 23. Other kits would provide parts to build items such as a small spectrograph, telescope, or pinhole camera . 24. This effect is used in pinhole cameras . 25. The more the eye resembles a pinhole camera , the less it depends on focusing through the lens. 26. Court official Liu Shou-song told reporters Kuo set up pinhole cameras in Chu's bedroom, car and office. 27. "Projection " is not limited to rectilinear image produced by a pinhole camera on a flat film plate. 28. A pinhole camera is unconditionally safe. 29. Usually, the pinhole camera parameters are represented in a 3 & times; 4 matrix called the camera matrix. 30. Pinhole cameras can also be constructed by replacing the lens assembly in a conventional camera with a pinhole.
