Unlike spherical lenses, cylindrical types have curved faces which can be considered part of a cylinder shape. This causes them to focus transmitted light to a line instead of a single point.

Doctors often face challenges when trying to see deep inside the human body to detect and treat diseases. The body is a ...

Modifying aspect ratio Laser output correction Focusing an image on a monochromator Imaging of elongated targets The image below shows the use of a cylindrical lens, and the effect of varying its ...