Last week in my photography class, we used some techniques to achieve great and shallow depth of field. Great depth of field involves having as much of an image being in focus as possible, which is most commonly seen in landscape photography. This is most easily achieved by using a small aperture opening and standing far away from the intended subject or scene. Shallow depth of field keeps a small area or object in focus while making everything else (usually the background) blurry. This effect is achieved by doing the opposite techniques of great depth of field - keeping the camera close to the subject and having the largest aperture opening possible.
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