In very basic terms, ISO is simply a camera setting that will brighten or darken a photo. As you increase your ISO number, your photos will grow progressively brighter. For that reason, ISO …

Dec 19, 2025 · Learn what ISO in photography is, how it affects your images, and when to use high vs. low ISO settings.

Nov 2, 2025 · ISO may be the quietest member of the exposure triangle, but it’s often the one that determines whether your photo succeeds or fails. It bridges the gap between light and …

Aug 26, 2025 · Learn what ISO is, how it affects photos, and how to work with light sensitivity to capture your best shot. Get tips for setting ISO at night vs day and more!

ISO controls the amount of light that your camera lets in and has a huge impact on the darkness or light in your photos — something you might adjust for technical or artistic reasons.

May 29, 2025 · ISO expresses how sensitive your camera’s sensor is to light as a number. The lower that number, the lower the sensitivity, and vice versa. People often recommend you …

Dec 17, 2025 · Learn what ISO means in photography, how it affects exposure and image quality, and when to adjust it for better photos in any lighting.

ISO is the setting that controls the sensitivity of the digital sensor light. As you adjust the ISO setting, the digital sensor becomes more or less sensitive to light, depending on how you …

Feb 18, 2025 · Using a higher-sensitivity ISO is useful for moving subjects (where faster shutter speeds are required) and particularly for shooting in low light. Thus, ISO forms one corner of …

Apr 4, 2025 · ISO in digital photography refers to the sensitivity of your camera’s sensor to light. A higher ISO means greater sensitivity for brighter photos in low-light conditions.