What is ISO sensitivity?

Learn about ISO sensitivity and how to optimize it for your next photoshoot.

ISO sensitivity, or ISO speed, measures how strongly your camera sensor responds to light. It’s basically your camera’s sensitivity to light. The higher the ISO sensitivity, the less light required to take a high-quality image. This is an important factor in determining your balance of settings in low or high light scenarios. Learn more about ISO sensitivity for your next photoshoot.

Learn the ISO basics.

Each time you double your ISO, your camera only needs half as much light. It’s an exponential effect that makes an exponential difference. Keep these effects in mind as you increase your ISO:

Edit your photos for even more clarity.

You can also heighten the light, minimize any noise, and clarify any blurriness in your editing process. Explore everything you can do with Adobe Photoshop Lightroom to edit stunning photos, all in one place.