| 摘要 |
PROBLEM TO BE SOLVED: To facilitate cup mounting with good accuracy. SOLUTION: This device has an image pickup means which picks up the lens image projected on a screen, a means or forming the alignment mark for aligning the small-lens portion of a double-focus lens onto a display screen, a means for inputting data for changing the layout of a cup mounting center with respect to the small-lens portion of the double-focus lens and a display control means for changing the display position of the alignment mark of the small-lens mark in accordance with the inputted data. The alignment for cup mounting is performed by observing the alignment mark displayed on the display screen and the small-lens image of the double-focus lens.
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