Hsu invested with some friends in a movie theater, and in this way came to meet Chang Shih-hsien, another photography fanatic, who sold motion picture equipment in Taipei.
成年後的許蒼澤與朋友合資在鹿港經營一家戲院，因而認識了台北專營銀幕與電影器材生意的張士賢，兩人都是攝影的狂熱者，一拍即合，開始結伴出遊。