The YACF5A1C, Hi-551 is a 5.04-megapixel CMOS image sensor manufactured by SK Hynix. It delivers a 2592 × 1944 pixel array with a 1.12 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 3.629 mm diagonal with a 0.16875 aspect ratio. With 1.12 µm pixels, the sensor features very fine pixel pitch targeting maximum spatial resolution in microscopy and metrology systems.