The reflector is held onto the sides of the spacecraft with a frame.反射器通过支架牢牢地固定在航天器的侧面。Varndell made his own reflector for these shots from a strip of humble kitchen foil.瓦恩德尔用一狭条普通的厨房用箔纸自制了反光板来拍摄这些照片。The parabolic reflector of a searchlight gives a parallel beam.探照灯的抛物面反射镜发出平行光束。