10.6084/m9.figshare.5514832.v1 Jae-Hyeung Park Jae-Hyeung Park Always focused image - Grid Optica Publishing Group 2018 maxwellian display depth of focus 2018-02-07 18:21:25 Media https://opticapublishing.figshare.com/articles/media/Always_focused_image_-_Grid/5514832 Observed images while the focal length of the camera is changing. The displayed image remain clear, demonstrating always focused images of Maxwellian Near-to-eye display