Optical system, camera module and electronic equipment
An optical system, optical axis technology, used in optics, optical components, instruments, etc.
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no. 1 example
[0070] refer to figure 1 In the first embodiment, the optical system 10 includes an aperture stop STO, a first lens L1 with positive refractive power, a second lens L2 with negative refractive power, and a second lens L2 with positive refractive power from the object side to the image side. Three lenses L3, a fourth lens L4 with negative refractive power, a fifth lens L5 with negative refractive power, a sixth lens L6 with positive refractive power, and a seventh lens L7 with negative refractive power.
[0071] The surface shape of each lens surface in the optical system 10 is as follows:
[0072] The object side S1 of the first lens L1 is convex at the near optical axis, and the image side S2 is concave at the near optical axis; the object side S1 of the first lens L1 is concave at the circumference, and the image side S2 is convex at the circumference;
[0073] The object side S3 of the second lens L2 is convex at the near optical axis, and the image side S4 is concave at t...
no. 2 example
[0106] refer to image 3 In the second embodiment, the optical system 10 includes an aperture stop STO, a first lens L1 with positive refractive power, a second lens L2 with negative refractive power, and a second lens L2 with negative refractive power from the object side to the image side. Three lenses L3, a fourth lens L4 with negative refractive power, a fifth lens L5 with negative refractive power, a sixth lens L6 with positive refractive power, and a seventh lens L7 with negative refractive power.
[0107] The surface shape of each lens surface in the optical system 10 is as follows:
[0108] The object side S1 of the first lens L1 is convex at the near optical axis, and the image side S2 is concave at the near optical axis; the object side S1 of the first lens L1 is concave at the circumference, and the image side S2 is convex at the circumference;
[0109] The object side S3 of the second lens L2 is convex at the near optical axis, and the image side S4 is concave at ...
no. 3 example
[0124] refer to Figure 5 In the third embodiment, the optical system 10 includes an aperture stop STO, a first lens L1 with positive refractive power, a second lens L2 with negative refractive power, and a second lens L2 with positive refractive power from the object side to the image side. Three lenses L3, a fourth lens L4 with negative refractive power, a fifth lens L5 with negative refractive power, a sixth lens L6 with positive refractive power, and a seventh lens L7 with negative refractive power.
[0125] The surface shape of each lens surface in the optical system 10 is as follows:
[0126] The object side S1 of the first lens L1 is convex at the near optical axis, and the image side S2 is concave at the near optical axis; the object side S1 of the first lens L1 is concave at the circumference, and the image side S2 is convex at the circumference;
[0127] The object side S3 of the second lens L2 is convex at the near optical axis, and the image side S4 is concave at ...
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Abstract
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