Sensor Size
What Is Sensor Size and What Does It Mean When Talking About Photography? In photography sensor size describes the physical dimensions of a sensor. Sensor size can be measured in mm or inches. For example a ‘full frame’ sensor measures 36 x 24mm and a ‘micro four thirds’ or ‘4/3’ sensor measures 17 x 13mm. Sensor size relates to the physical dimensions of the sensor itself, not its imaging area. Sensor size can dramatically effect the overall quality of the sensor’s output. If we compare a full frame 20mp sensor with a 1″ 20mp sensor. The smaller dimensions of the 1″ …