Depth of field has always been a preoccupation for photographers. Or it used to be. These days we seem to be fixed on the shallowest depth of field possible in pursuit of that great god of bokeh, but ...
Interesting Engineering on MSN
Ancient 4th-century pinhole concept reimagined in lens-free infrared camera design
Pinhole imaging, first described by philosopher Mozi in the 4th century BC, offered unlimited depth and no distortion. This modern adaptation extends those benefits into the mid-infrared range, where ...
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