Camera Obscura
In the same camera-making class mentioned in my last post, Peter Renn turned the room itself into a camera obscura (a dark room) with a large single lens you can see in the first image. It has a focal length of something between 1000 and 2000mm, casting a massive image circle. In the first picture above you can see the lens and part of the image on the floor. In the next couple of images you can…
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