| 摘要 |
PROBLEM TO BE SOLVED: To provide a chart for adjusting a color image pickup unit for realizing white balance adjustment for all illuminating lights only by one time in process. SOLUTION: Three kinds of fluorescent lights (types A, B, and C) 24, 25, and 26 and a halogen lamp 27 are arranged in a case body 21 on whose front face a panel 29 to be photographed is mounted, and a passage for allowing each light source to irradiate the panel is separated by separators 23. The panel 29 is constituted of diffusing plates 29a forming subjective faces 31, 32, and 33 corresponding to each florescent light and diffusing plates 29a forming subjective faces 34-39 to which different color temperature conversion filters are attached corresponding to the halogen lamp. Thus, a chart 20 for adjusting the white balance of this color image pickup unit can be constituted.
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