What is the primary advantage of using a larger camera sensor?

The primary advantage of using a larger camera sensor is that it significantly improves low-light performance and detail in images. A larger sensor has more surface area to capture light, which enhances its ability to gather information in dim lighting conditions. This leads to less noise in the images and allows for higher quality photos with better dynamic range, meaning it can capture more detail in the highlights and shadows.

Moreover, larger sensors can facilitate a shallower depth of field, creating aesthetic effects like blurred backgrounds while keeping the subject in sharp focus. This is particularly advantageous for portrait photography, where isolating the subject from the background can lead to more visually appealing images. The combination of improved light sensitivity and greater detail makes larger sensors highly desirable for professional and serious amateur photographers.