The A4590 is a 2.07-megapixel monochrome CMOS image sensor manufactured by AltaSens. It delivers a 1920 × 1080 pixel array with a 5 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 11.015 mm diagonal with a 0.672916667 aspect ratio, matching the 2/3-inch optical format common in professional machine vision cameras. With 5 µm pixels, the sensor features mid-range pixel pitch balancing sensitivity and resolution for industrial inspection and machine vision.