In Japan, this type of lens is adopted only by the Inubozaki lighthouse (Chiba Prefecture), Izumohinomisaki lighthouse (Shimane Prefecture), Tsunoshima lighthouse (Yamaguchi Prefecture), Muroto-misaki Cape (Kochi Prefecture), and Oki-no-shima Island (Fukuoka Prefecture) other than the Kyoga-misaki lighthouse. |
これは日本国内では他に犬吠埼燈台(千葉県)、出雲日御碕燈台(島根県)、角島角島燈台(山口県)、室戸岬(高知県)、沖ノ島(福岡県)の各灯台でしか用いられていない。 |