Since the need for mobility ruled out the use of a tripod, Kuo was forced to turn to flash. At such short range, however, flash is ineffective unless a special moveable mount for the lamp is attached to the camera.
為此，就必須用閃光燈，然而，閃光燈架在相機上，離鏡頭太近，是死角，光線打不到主體上。如此折騰許久，好不容易才找到一個可以轉動角度的燈架，勉強解決了問題。