Buying a used DSLR? Here's a practical guide to help you spot hidden issues, avoid scams, and find a camera that's worth your time and money.

In a digital single lens reflex (DSLR) camera, the sensor is positioned behind the mirror assembly, which flips out of the way to let light coming through the lens hit the sensor.

Learn about the speed, image quality, and general performance tests we run on every digital camera and lens we review.

In this episode, we simulate noisy camera sensor conditions to show how digital noise affects your astrophotography images.

The DxOMark Sensor test measures how well a camera's sensor fares when it comes to dynamic range, color depth, and low-light performance.