Scientists have developed a lens-free mid-infrared camera using a modern twist on pinhole imaging. The system uses nonlinear crystals to convert infrared light into visible, allowing standard sensors ...

Researchers at East China Normal University have created a mid-infra-red camera with a deep depth of field by creating a virtual pin-hole in an optically-active crystal. The lens-free system not only ...

Life is full of foolish myths, ideas that are planted in our brains by rumor, gossip, or misperception, and seem to endure. One of those myths in photography is that sensor size affects depth of field ...