The OV6946 is a 0.16-megapixel CMOS image sensor manufactured by OmniVision Technologies. It delivers a 400 × 400 pixel array with a 1.75 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 0.99 mm diagonal with a 0.042361111 aspect ratio. With 1.75 µm pixels, the sensor features very fine pixel pitch targeting maximum spatial resolution in microscopy and metrology systems.