The KAF-0261 is a 0.26-megapixel M/C image sensor manufactured by On Semi (Kodak,Truesense). It delivers a 512 × 512 pixel array with a 20 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 14.482 mm diagonal with a 0.042361111 aspect ratio, matching the 2/3-inch optical format common in professional machine vision cameras. With 20 µm pixels, the sensor features large pixels optimised for high sensitivity and dynamic range in low-light and scientific applications.