The SR 261 is a 2.07-megapixel CMOS image sensor manufactured by Siliconfile Technologies lnc.. It delivers a 1920 × 1080 pixel array with a 1.34 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 2.952 mm diagonal with a 0.672916667 aspect ratio. With 1.34 µm pixels, the sensor features very fine pixel pitch targeting maximum spatial resolution in microscopy and metrology systems.