Design & Style

Basic Photography 101: Understanding Aperture

Written by the MasterClass staff

Last updated: Aug 24, 2021 • 4 min read

Aperture is the key to creative control in photography, and knowing how to adjust aperture will give you greater flexibility in capturing the perfect photograph.

In photography, the nuts and bolts of crafting amazing images is the exposure triangle: aperture, shutter speed, and ISO. In order to get a properly exposed photo, all three elements must work in harmony. If one part of the exposure triangle changes, the other two need to change as well. Of the three, aperture is the most crucial in controlling how your image will look.