| 摘要 |
PROBLEM TO BE SOLVED: To provide a panorama lens assembly for a camera which has a wide angle and is interesting.SOLUTION: A lens in which the outer shape of each cross section orthogonal to an optical axis direction is formed to be circular has a semicircular spherical lens structure in which constriction is performed in a depth direction at one end in the optical axis direction, to form a conical hole in which the extension direction of a center axis coincides with the optical axis direction and the bottom part of the hole is about 1 mm. Then, a conical panorama lens has a configuration in which the outer part of the opening of the conical hole constitutes an annular convex surface, the other end in the optical axis direction constitutes a circular convex surface, and light from the front oblique outer side on the annular convex surface side is made incident on the annular convex surface, reflected by the peripheral wall of the conical hole, and emitted from the circular convex surface. Then, it is structured so that a convex-concave lens and the conical panorama lens are assembled and projection to the lens of the bottom part of the conical hole is performed to obtain a dotless circular image. |
