is reflected by the light from the light source to the light source is passed through a variable collimator mirror , passed through the variable collimator by projecting the light irradiation field shape formed by a variable collimator on the recording screen, a recording device and picked up by the projection of the shooting screen , and to interpret the images taken by the photographing apparatus in the image processing apparatus .광원으로부터의 광을 광원미러에 의해 반사시켜 가변 콜리메이터를 통과시키고, 가변 콜리메이터를 통과한 광에 의해서 가변 콜리메이터에 의해 형성된 조사필드형상을 촬영스크린에 투영하고, 촬영스크린의 투영부를 촬영장치에 의해 촬영하며, 촬영장치에 의해 촬영한 영상을 화상처리장치로 해석하도록 하였다.
