The CIS2521/A is a 5.53-megapixel M/C image sensor manufactured by Fairchild Imaging (BAE Systems). It delivers a 2560 × 2160 pixel array with a 6.5 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 21.772 mm diagonal with a 1.352083333 aspect ratio, corresponding to the 1-inch optical class used in industrial and broadcast cameras. With 6.5 µm pixels, the sensor features mid-range pixel pitch balancing sensitivity and resolution for industrial inspection and machine vision.