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 can help you …

Sep 8, 2025 · If you’ve ever wondered what does ISO mean in photography, it’s simply your camera’s sensitivity to light — a setting that directly shapes how bright or grainy your photos appear.

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.

ISO is what measures your camera sensor’s sensitivity to light. This is the ultimate guide to camera ISO settings in photo and film.

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 keep your ISO at …

Apr 4, 2025 · Alongside aperture and shutter speed, ISO completes the exposure triangle, the foundation for every well-exposed image. But, ISO isn’t just a number on your camera’s screen. It’s a …

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 the exposure …

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.

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!

Feb 9, 2025 · ISO is one of the three pillars of photography, alongside shutter speed and aperture, that controls the exposure of an image. It measures your camera sensor’s or film’s sensitivity to light, …