Optical Lenses and Imaging Equipment
An optical lens and lens technology, which is applied in the field of imaging lenses, can solve the problem that the imaging quality of the lens is greatly affected, and achieve the effect of improving the camera experience, large field of view, and compact structure.
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no. 1 example
[0068] see figure 1 , is a schematic structural diagram of the optical lens 100 provided by the first embodiment of the present invention. The optical lens 100 sequentially includes from the object side to the imaging plane along the optical axis: a first lens L1, a second lens L2, a diaphragm ST, and a third lens L3, the fourth lens L4, the fifth lens L5, the sixth lens L6 and the filter G1.
[0069] Wherein, the first lens L1 has negative refractive power, the object side S1 of the first lens is convex, and the image side S2 of the first lens is concave;
[0070] The second lens L2 has positive refractive power, the object side S3 of the second lens is convex at the near optical axis, and the image side S4 of the second lens is convex;
[0071] The third lens L3 has positive refractive power, the object side S5 of the third lens is convex, and the image side S6 of the third lens is convex;
[0072] The fourth lens L4 has negative refractive power, the object side S7 of the...
no. 2 example
[0086] see Figure 5 , the structure of the optical lens 200 provided by the second embodiment of the present invention is substantially the same as that of the optical lens 100 provided by the first embodiment, and the main difference lies in the curvature radius and material selection of each lens.
[0087] The relevant parameters of each lens in the optical lens 200 provided by the second embodiment of the present invention are shown in Table 3.
[0088] table 3
[0089]
[0090] Table 4 shows the surface shape coefficients of each aspherical surface of the optical lens 200 in this embodiment.
[0091] Table 4
[0092]
[0093] Please refer to Image 6 , Figure 7 and Figure 8 , which are respectively a distortion curve graph, a vertical axis chromatic aberration graph, and an axial chromatic aberration graph of the optical lens 200 .
[0094] Image 6 Indicates the distortion at different image heights on the imaging plane S15. from Image 6 It can be seen ...
no. 3 example
[0098] see Figure 9 The structure of the optical lens 300 provided by the third embodiment of the present invention is substantially the same as that of the optical lens 100 provided by the first embodiment, and the main difference is that the curvature radius and material selection of each lens are different.
[0099] The relevant parameters of each lens in the optical lens 300 provided by the third embodiment of the present invention are shown in Table 5.
[0100] table 5
[0101]
[0102] Table 6 shows the surface shape coefficients of each aspherical surface of the optical lens 300 in this embodiment.
[0103] Table 6
[0104]
[0105] Please refer to Figure 10 , Figure 11 and Figure 12 , which are respectively a distortion curve graph, a vertical axis chromatic aberration graph, and an axial chromatic aberration graph of the optical lens 300 .
[0106] Figure 10 Indicates the distortion at different image heights on the imaging plane S15. from Figure ...
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