| 摘要 |
PROBLEM TO BE SOLVED: To provide a user-friendly and inexpensively produced pupil photographing device which photographs a pupil diameter to naturally change by elongation or contraction while a subject watches surrounding scenery. SOLUTION: An almost cylindrical main body of a fixed length is provided in the longitudinal direction, an eye abutting part 1 composed of a cylindrical protruding part is provided on one side of the main body, and a half mirror 12 is provided inside a main body position where the eye abutting part 1 is provided. Then, the opposite side part of the eye abutting part 1 in the main body is made into opening plane 2, the pass of a visual line is provided from the eye abutting part 1 through the half mirror 12 to the opening plane 2, and a CCD camera 3 is provided upward under the inside of the main body where the half mirror 12 is provided. Then, the outer periphery of the lower part of the main body is made into a clamping part 4 and while the subject watches the surroundings from the opening plane 2 of the opposite side part through the half mirror 12 while taking the clamping part 4 of the main body in the hand and abutting the eye abutting part 1 of the main body to the eye of the subject, the pupil of the subject is photographed through the half mirror 12 by the CD camera 3. |
