一直用数字拍片的王兵第一次买了台胶片机玩(16mm的bolex),他用秒表来测试一小盘能拍多久时长。「Portrait Wang Bing」by Tobi Sauer.A portrait of filmmaker and documenta 14 artist Wang Bing.Wang Bing shot his previous films digitally, for example"15 Hours" which consists of a single 15-hour long shot. In Kassel, he bought his first Bolex (16 mm camera). With a stopwatch, he tests how long he film can film at a time.