The GC0303 is a 0.32-megapixel CMOS image sensor manufactured by Galaxycore Microelectronics. It delivers a 648 × 488 pixel array with a 3.4 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 2.758 mm diagonal with a 81:61 aspect ratio. With 3.4 µm pixels, the sensor features compact pixel pitch suited for high-resolution imaging in space-constrained camera designs.