Optical lens and imaging equipment
An optical lens and lens technology, which is applied in optics, optical components, instruments, etc., can solve the problem that the image quality of the lens is greatly affected, and achieve the effect of improving the camera experience, realizing miniaturization, and achieving a balance of high pixels
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no. 1 example
[0092] see figure 1 , which is a schematic structural view of the optical lens 100 provided in the first embodiment of the present invention, the optical lens 100 includes in sequence from the object side to the imaging surface S15 along the optical axis: a first lens L1, a second lens L2, a third lens L3, Stop ST, fourth lens L4, fifth lens L5, sixth lens L6, and seventh lens L7.
[0093] The first lens L1 has negative refractive power, the object side S1 of the first lens L1 is convex, and the image side S2 of the first lens L1 is concave.
[0094] The second lens L2 has positive refractive power, the object side S3 of the second lens L2 is concave, and the image side S4 of the second lens L2 is convex.
[0095] The third lens L3 has positive refractive power, the object side S5 of the third lens L3 is concave, and the image side S6 of the third lens L3 is convex.
[0096] The fourth lens L4 has positive refractive power, and both the object side S7 of the fourth lens L4 a...
no. 2 example
[0114] see Image 6 , which is a schematic view showing the structure of the optical lens 200 provided in the second embodiment of the present invention. The structure of the optical lens 200 in this embodiment is substantially the same as that of the optical lens 100 provided in the first embodiment. The main difference is that the optical lens The second lens L2 in 200 has negative refractive power, the image side S4 of the second lens L2 is concave, the object side S5 of the third lens L3 is convex, and the curvature radius and material selection of each lens are different.
[0115] In the second embodiment of the present invention, the vertical distance between the inflection point of the object side S13 of the seventh lens L7 and the optical axis is 1.08 mm, and the vertical distance between the inflection point of the image side S14 of the seventh lens L7 and the optical axis is 1.16mm.
[0116] Please refer to Table 3, the relevant parameters of each lens in the optica...
no. 3 example
[0129] see Figure 11 , which is a schematic view showing the structure of the optical lens 300 provided by the third embodiment of the present invention. The structure of the optical lens 300 in this embodiment is substantially the same as that of the optical lens 100 provided in the first embodiment. The main difference is that the optical lens The second lens L2 in 300 has negative refractive power, the image side S4 of the second lens L2 is concave, the object side S5 of the third lens L3 is convex, and the curvature radius and material selection of each lens are different.
[0130] In the third embodiment of the present invention, the vertical distance between the inflection point of the object side S13 of the seventh lens L7 and the optical axis is 1.15mm, and the vertical distance between the inflection point of the image side S14 of the seventh lens L7 and the optical axis is 1.21mm.
[0131] Please refer to Table 5, the relevant parameters of each lens in the optical...
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