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Focusing may refer to: * Adjusting an optical system to minimize
defocus aberration In optics, defocus is the aberration in which an image is simply out of focus. This aberration is familiar to anyone who has used a camera, videocamera, microscope, telescope, or binoculars. Optically, defocus refers to a translation of the ...
* Focusing (psychotherapy), a psychotherapeutic technique


See also

*
Focus (optics) In geometrical optics, a focus, also called an image point, is a point where ray (optics), light rays originating from a point on the object vergence (optics), converge. Although the focus is conceptually a point, physically the focus has a s ...
* Focus (disambiguation) {{dab