CEMENTED LENS, IMAGING LENS, AND IMAGING DEVICE
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United States of America
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Issued Date -
Dec 5, 2024
app pub date -
May 27, 2024
filing date -
May 27, 2024
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Abstract
In a cemented lens, an object-side lens includes a concave first lens surface, a first flange surface, and a first boundary portion between the first lens surface and the first flange surface. An image-side lens includes a convex second lens surface, a second flange surface, and a second boundary portion between the second lens surface and the second flange surface. A cross section including an optical axis of the first boundary portion includes a plurality of circular arc shapes. If the cross section has a circular arc shape with a single radius and a position of an apex of the circular arc shape is a virtual position, a distance between an actual apex position of the cross section and the first flange surface in a direction of the optical axis is shorter than that between the virtual position and the first flange surface in the direction of the optical axis.
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