The HM0155 is a 0.08-megapixel CMOS image sensor manufactured by Himax Technologies. It delivers a 240 × 320 pixel array with a 3 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 1.2 mm diagonal with a 0.127777778 aspect ratio. With 3 µm pixels, the sensor features compact pixel pitch suited for high-resolution imaging in space-constrained camera designs.