In most images it needs to be in focus. Depth of field Everything in this area appears in focus. When this distance is large the depth of field is said to be wide or deep. When it's small the ...

Under traditional imaging, large portions of the algae lie beyond the depth of field of the 20x/0.5NA objective and thus appear blurred. By placing a cubic phase mask in the back aperture of the ...

There are lots of different filmmaking terms out there that get tossed around in articles and meetings. It can be hard to ...