Samsung unveils new image sensor ISOCELL GN2 with upgraded autofocus
Samsung Electronics on Tuesday introduced a new image sensor boasting an upgraded autofocus solution as the South Korean tech giant eyes to expand its presence in the mobile image sensor market. The ISOCELL GN2 is Samsung's first image sensor to use Dual Pixel Pro technology. Like its previous Dual Pixel solution, it adopts two photodiodes within every pixel, but the latest one splits the pixels not only vertically but also diagonally. "This diagonal cut allows the focusing agents to better recognise the top and bottom of the frame, allowing the sensor to get in focus quickly even when there are no pattern changes in a horizontal direction," Samsung said. "Low-light focusing and tracking of moving objects are improved as well, as every pixel of the sensor works as focusing agents." The 1/1.12-inch ISOCELL GN2 has 50 million 1.4 micrometer-sized pixels. With the pixel size 0.2 micrometer bigger than its predecessor, the ISOCELL GN1, it can absorb mo