Dual Pixel is a technology used in digital cameras that enhances autofocus performance. It employs two photodiodes for each pixel on the image sensor, allowing for faster and more accurate focusing, especially in challenging lighting conditions. This is particularly beneficial for capturing moving subjects or shooting video. The Dual Pixel system works by comparing the data from the two photodiodes to determine the correct focus. This results in smoother transitions and improved tracking of subjects, making it a popular choice in many modern smartphones and cameras, including those from brands like Canon and Samsung.