| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for allowing a user to easily and precisely adjust a focus.SOLUTION: An image for adjustment including a part showing a predetermined pattern is projected with projection light. Image data is generated by imaging a projection plane on which the image for adjustment is projected. A focusing state of a focus on the projection plane is identified by analyzing the image data. A display is made in the identified focusing state. |
