Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shinzo Morita and Norio Sugiura,Auto-focus video camera system with bag-type lens,19th Intl Congress on High-Speed Photography and Photonics,,SPIE,1991-04-01,,,190,https://cir.nii.ac.jp/crid/1872835442669235328,https://doi.org/10.1117/12.23988