PURPOSE: To provide the adjusting method for the light emitting body which allows the reference surface of the light emitting body to be placed at right angles to the optical axis of the CCD of a TV camera and the projection window to be placed on the optical axis with small trouble.
CONSTITUTION: The optical axis 6 of chromatic light from a chromatic light projection light source 5 which is reflected by a half-mirror 4 slanting at 45° to the optical axis 3 in the normal direction of the CCD 1 of the TV camera 2 using the CCD 1 is aligned with the optical axis 3 of the CCD 1; and the projection chromatic light of a light projection TV camera 10 which projects the chromatic light is reflected by the projection window 14 of the light emitting body 20 which collimates light from a light source 11 into parallel light through a lens 12 and projects it from the projection window 14 of the reference surface 13 and the reflected light is adjusted by aligning with the optical axis 3 of the CCD 1.
KAWASAKI KATSUHIKO
NAKAO TAKUYA
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