The IBIS4-2800 is a 2.76-megapixel monochrome CMOS image sensor manufactured by On Semi (Cypress). It delivers a 1440 × 1920 pixel array with a 18.5 µm pixel pitch, providing efficient photon collection at each photosite. The optical format spans a 44.4 mm diagonal with a 0.127777778 aspect ratio, placing it in the large-format category used in cinema, scientific, and aerial imaging. With 18.5 µm pixels, the sensor features large pixels optimised for high sensitivity and dynamic range in low-light and scientific applications.