|Aperture at f2.8 creates selective focus|
|Aperture at f16 with a wide depth of field|
How you adjust the aperture depends on what type of camera you are using. Digital SLRs vary but commonly have an adjustment wheel on the front of the camera. Film cameras and some DSLRs have a ring on the lens that turns. Point-and-shoot cameras may have a wheel at the top of the camera with simple icons that depict landscape or portrait. If your point-and-shoot camera has an aperture priority setting, you should be able to adjust the aperture in the menu.
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