This seems like an interesting solution for creating view windows in houses with limited options. Imagine coupling a pinhole camera, rear projection screen, and periscope. One might be able to bring exterior view from up above a home.
…a body-sized camera obscura that would bring an ever-changing view of the arboretum into a secret indoor space. The camera is a walk-in box with a single glass lens that projects an image of the outdoor activity onto a big blank wall.” – cermakrhoades.com
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