LIGHT MEASURING DEVICE
    5.
    发明申请

    公开(公告)号:US20240397026A1

    公开(公告)日:2024-11-28

    申请号:US18602399

    申请日:2024-03-12

    Abstract: A light measuring device includes: a first lens; a first variable opening located in a first direction from the first lens at a predetermined distance; a second lens located in the first direction from the first variable opening at a predetermined distance; a second variable opening located in the first direction from the second lens; a third lens located in the first direction from the second variable opening; and a light receiving unit located in the first direction from the third lens at a predetermined distance, wherein a diameter of the first variable opening and a diameter of the second variable opening are independently adjusted.

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