Aperture | Boomer Web School

Aperture

Aperture is a reference used in photography which controls the amount of light that is used through a camera lens to capture a picture. 

Official definition: 
A device that controls the amount of light admitted through an opening. In photography and digital photography, aperture is the unit of measurement that defines the size of the opening in the lens that can be adjusted to control the amount of light reaching the film or digital sensor. https://www.google.com/search?client=safari&rls=en&q=definition+of+aperture+in+photography&ie=UTF-8&oe=UTF-8
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