
Learning photography often feels like a never-ending list, but one of the first and easiest concepts that I picked up when I first started is called aperture. But what is aperture in photography? Aperture is a setting that controls how much or how little light comes into the lens. By controlling the aperture, photographers can make a photo brighter or darker, like opening or closing a curtain to let more sunshine into a dark room.
But while aperture is one of three camera settings that influence exposure, or how light or dark a photograph is, light isn't the only thing that aperture controls. When I first learned what aperture was, I assumed that I could just keep the aperture wide open all the time to let in the most light. However, I quickly learned that that assumption led to photos that were never quite sharp enough.