4K high-definition optical system with large field of view and large aperture
An optical system, a technology with a large field of view, applied in the field of optical systems, can solve the problems of insufficient light transmission, increased cost, insufficient system clarity, etc.
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[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0037] see Figure 1-2 , this embodiment provides a technical solution: a 4K high-definition optical system with a large field of view and a large aperture, which is sequentially arranged from the object side to the image side:
[0038] The first lens 1, the first lens 1 is a negative focus spherical lens, the surface of the first lens 1 facing the object side is a convex surface, and the surface facing the image side is a concave surface, and the radius of the surfa...
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