In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. The aperture defines …

In the video, I’ve discussed what aperture is, how it works, and every effect that aperture has in photography (including a few smaller effects beyond just exposure and depth of field).

Unravel the mysteries of aperture. Learn how to use this essential setting to capture striking photographs!

May 29, 2025 · Aperture, or lens aperture, is the hole inside your camera’s lens that can adjust to let more or less light through it to hit the sensor. The hole in the centre is called the pupil, and …

Aug 2, 2025 · What is aperture? Aperture value is one of the fundamental aspects of exposure and perhaps the most intimidating, but it needn't be. The easiest way to think about it is as the …

The meaning of APERTURE is an opening or open space : hole. How to use aperture in a sentence.

Simply put, aperture is the opening in your lens that allows light to pass through it to reach the camera sensor. But beyond that, it has a significant role in determining your depth of field, …

Sep 4, 2025 · Aperture is simply the opening inside a lens that lets light reach the sensor. I like to call it the lens’s pupil: it widens in low light and narrows in bright light.

Aperture is a not-for-profit organization that connects audiences though photography—in print, in person, and online.

Learn how aperture affects your photos and how understanding f-stop settings is a foundational skill for great photography. Aperture controls the amount of light that enters your camera. …