Bio-FlatScope dives deep for useful data

https://techxplore.com/news/2022-03-bio-flatscope-deep.html

"The mechanism combines a sophisticated phase mask to generate patterns of light that fall directly onto the chip, according to the researchers. The mask in the original FlatCam looks something like a bar code and limits the amount of light that passes through to the camera sensor. But it doesn't work well for biological samples"