www.newsshooter.com/2021/10/31/klens-one-a-light-field-lens-that-captures-rgb-depth/
A mirror system (Image Multiplier) in the K|Lens splits the light rays into 9 separate images that are mapped on the camera sensor. All 9 of these images have slightly different perspectives. The best way to picture it is if you imagine using 9 separate cameras in a narrow array at the same time.