Small-head large-aperture pick-up lens
A camera lens and aperture technology, which is applied in the field of optical systems, can solve problems such as lens performance degradation and impact on lens shooting quality, and achieve the effects of small aperture coefficient, reduced head size, and increased screen-to-body ratio
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[0053] Example 1
[0054] Such as figure 1 As shown, the small-head large-aperture camera lens includes in order from the object side to the image side along the optical axis: a first lens P1 with positive refractive power, a second lens P2 with negative refractive power, and a first lens with positive refractive power. The three lenses P3, the fourth lens P4 with negative refractive power, the fifth lens P5 with positive refractive power, and the sixth lens P6 with negative refractive power. The stop STOP is arranged on the object side of the first lens P1, and the incident light passes through the stop, each lens and the filter IR-CUT in sequence, and finally forms an image on the imaging surface IMA. Among them, the object side and image side of the first lens are both convex, the object side of the second lens is convex, the image side is concave, the object side of the third lens is convex, the image side is concave, and the fourth lens has both the object and image sides. ...
Example Embodiment
[0082] Example 2
[0083] Such as image 3 As shown, the small-head large-aperture camera lens includes in order from the object side to the image side along the optical axis: a first lens P1 with positive refractive power, a second lens P2 with negative refractive power, and a first lens with positive refractive power. The three lenses P3, the fourth lens P4 with negative refractive power, the fifth lens P5 with positive refractive power, and the sixth lens P6 with negative refractive power. The diaphragm STOP is arranged on the object side of the first lens P1, and the incident light passes through the diaphragm STOP, each lens and the filter IR-CUT in sequence, and finally forms an image on the imaging surface IMA. Among them, the object side of the first lens is convex, the image side is concave, the object side of the second lens is convex, the image side is concave, the object side of the third lens is convex, the image side is concave, the object side and the image side of...
Example Embodiment
[0097] Example 3
[0098] Such as Figure 5 As shown, the small-head large-aperture camera lens includes in order from the object side to the image side along the optical axis: a first lens P1 with positive refractive power, a second lens P2 with negative refractive power, and a first lens with positive refractive power. The three lenses P3, the fourth lens P4 with negative refractive power, the fifth lens P5 with positive refractive power, and the sixth lens P6 with negative refractive power. The diaphragm STOP is arranged on the object side of the first lens P1, and the incident light passes through the diaphragm STOP, each lens and the filter IR-CUT in sequence, and finally forms an image on the imaging surface IMA. Among them, the object side of the first lens is convex, the image side is concave, the object side of the second lens is convex, the image side is concave, the object side of the third lens is convex, the image side is concave, the object side and the image side o...
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