Each PDAF pixel is split into left and right segments. The sensor calculates the phase difference between the two images. If the subject is in focus, the phases align. If not, the processor knows exactly which direction to move the lens group.
In a busy traffic monitoring system (a common use case for this sensor), the camera can refocus from a license plate 5 meters away to a pedestrian crossing 20 meters away in under 5 milliseconds. This eliminates rolling shutter artifacts and focus hunting. SSIS-448 vs. The Competition To appreciate the SSIS-448, compare it to its predecessors and competitors. ssis448 4k upd
Whether you are a camera designer, a systems integrator, or a tech enthusiast looking for the next leap in sensor technology, understanding the SSIS-448 is crucial. This article provides a deep dive into the architecture, performance metrics, and real-world applications of this cutting-edge CMOS sensor. The SSIS-448 (often referred to as the "Sony SSIS-448") is a stacked, back-illuminated CMOS image sensor designed by Sony Semiconductor Solutions. The acronym SSIS stands for "Sony Stacked Image Sensor." The "448" denotes its specific product lineage within the high-end industrial and broadcast segment. Each PDAF pixel is split into left and right segments