Optical lens and electronic equipment
An optical lens and lens technology, applied in optics, optical components, instruments, etc., can solve the problems affecting the miniaturization of the lens and the performance degradation of the lens, and achieve the effects of stable image quality, good temperature performance and high production yield.
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[0128] Example 1
[0129]The following references Figure 1 Description of the optical lens according to example 1 of the present application. Figure 1 Schematic diagram of the structure of the optical lens according to embodiment 1 of the present application is shown.
[0130] as Figure 1 As shown, the optical lens along the optical axis from the object side to the image side sequentially includes the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, the sixth lens L6 and the seventh lens L7.
[0131] The first lens L1 is a crescent lens with negative focal length, and its side S1 is convex, like the side S2 is concave. The second lens L2 is a double concave lens with negative focal length, and its object side S4 is concave, like the side S5 is concave. The third lens L3 is a biconvex lens with a positive focal point, and its side S6 is convex, like the side S7 is convex. The fourth lens L4 is a biconvex lens with a positive focal le...
Example Embodiment
[0142] Example 2
[0143] The following references Figure 2 An optical lens according to example 2 of the present application is described. Figure 2 Schematic diagram of the structure of the optical lens according to embodiment 2 of the present application is shown.
[0144] as Figure 2 As shown, the optical lens along the optical axis from the object side to the image side sequentially includes the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, the sixth lens L6 and the seventh lens L7.
[0145] The first lens L1 is a crescent lens with negative focal length, and its side S1 is convex, like the side S2 is concave. The second lens L2 is a double concave lens with negative focal length, and its object side S4 is concave, like the side S5 is concave. The third lens L3 is a biconvex lens with a positive focal point, and its side S6 is convex, like the side S7 is convex. The fourth lens L4 is a biconvex lens with a positive focal length, ...
Example Embodiment
[0153] Example 3
[0154] The following references Figure 3 An optical lens according to Example 3 of the present application is described. Figure 3 Schematic diagram of the structure of the optical lens according to embodiment 3 of the present application is shown.
[0155] as Figure 3 As shown, the optical lens along the optical axis from the object side to the image side sequentially includes the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, the sixth lens L6 and the seventh lens L7.
[0156] The first lens L1 is a crescent lens with negative focal length, and its side S1 is convex, like the side S2 is concave. The second lens L2 is a double concave lens with negative focal length, and its object side S4 is concave, like the side S5 is concave. The third lens L3 is a biconvex lens with a positive focal point, and its side S6 is convex, like the side S7 is convex. The fourth lens L4 is a biconvex lens with a positive focal length, ...
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