The IMX637 (Event) is a 0.33-megapixel monochrome CMOS image sensor manufactured by Sony. It delivers a 640 × 512 pixel array with a 4.86 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 3.983 mm diagonal with a 0.211111111 aspect ratio. With 4.86 µm pixels, the sensor features compact pixel pitch suited for high-resolution imaging in space-constrained camera designs.