We Need Lens-Free Cameras. And Now We Know How to Make Them.
Posted: Thu Aug 23, 2018 11:13 pm
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Years ago I read an academic article about a grid of sub-micrometer pinholes (I cannot remember the details) which would have eliminated the need for complex and expensive MICROSCOPE objective lenses. The objectives are still alive and expensively kicking...apochronaut wrote:hasn't there already been one, for about 200 years, based on the camera obscura? .... called the pin hole camera?