Optical system, lens module and electronic equipment
An optical system and lens technology, applied in optics, optical components, instruments, etc., can solve problems such as driving risks
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no. 1 example
[0059] Please refer toFigure 1a and Figure 1b , the optical system of this embodiment includes in sequence from the object side to the image side along the optical axis direction:
[0060] The first lens L1 has a negative refractive power, its object side S1 is a plane, and its image side S2 is a concave surface;
[0061] The second lens L2 has a negative refractive power, its object side S3 is concave, and its image side S4 is convex;
[0062] The third lens L3 has positive refractive power, its object side S5 is convex, and its image side S6 is convex;
[0063] The fourth lens L4 has positive refractive power, its object side S7 is concave, and its image side S8 is convex;
[0064] The fifth lens L5 has positive refractive power, its object side S9 is convex, and its image side S10 is convex.
[0065] The sixth lens L6 has negative refractive power, the object side S10 is concave, and the image side S11 is concave.
[0066] The materials of the first lens L1 to the sixt...
no. 2 example
[0081] Please refer to Figure 2a and Figure 2b , the optical system of this embodiment includes in sequence from the object side to the image side along the optical axis direction:
[0082] The first lens L1 has a negative refractive power, its object side S1 is a plane, and its image side S2 is a concave surface;
[0083] The second lens L2 has a negative refractive power, its object side S3 is concave, and its image side S4 is convex;
[0084] The third lens L3 has positive refractive power, its object side S5 is convex, and its image side S6 is convex;
[0085] The fourth lens L4 has positive refractive power, its object side S7 is concave, and its image side S8 is convex;
[0086] The fifth lens L5 has positive refractive power, its object side S9 is convex, and its image side S10 is convex.
[0087] The sixth lens L6 has negative refractive power, the object side S10 is concave, and the image side S11 is concave.
[0088] Table 2a shows a table of the characteristi...
no. 3 example
[0097] Please refer to Figure 3a and Figure 3b , the optical system of this embodiment includes in sequence from the object side to the image side along the optical axis direction:
[0098] The first lens L1 has a negative refractive power, its object side S1 is a plane, and its image side S2 is a concave surface;
[0099] The second lens L2 has a negative refractive power, its object side S3 is concave, and its image side S4 is convex;
[0100] The third lens L3 has positive refractive power, its object side S5 is convex, and its image side S6 is convex;
[0101] The fourth lens L4 has positive refractive power, its object side S7 is concave, and its image side S8 is convex;
[0102] The fifth lens L5 has positive refractive power, its object side S9 is convex, and its image side S10 is convex.
[0103] The sixth lens L6 has negative refractive power, the object side S10 is concave, and the image side S11 is concave.
[0104] Table 3a shows a table of the characteristi...
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