The OV7740 OmniPixel 3-HS is a 0.32-megapixel CMOS image sensor manufactured by OmniVision Technologies. It delivers a 656 × 488 pixel array with a 4.2 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 3.434 mm diagonal with a 82:61 aspect ratio. With 4.2 µm pixels, the sensor features compact pixel pitch suited for high-resolution imaging in space-constrained camera designs.