Visualization2.mp4 Sung-Wook Min Sungwon Choi 10.6084/m9.figshare.5627842.v1 https://opticapublishing.figshare.com/articles/media/Visualization2_mp4/5627842 Depth of field imaging for object position at 250 mm 2018-02-26 16:49:35 retroreflector depth of field