Camera optical lens
A camera optical lens includes six-piece lenses, from an object side to an image side, the six-piece lenses are: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens having a positive refractive power and a sixth lens having a negative refractive power. The camera optical lens satisfies conditions of 0.65≤f1/f≤0.85, 0.80≤d3/d4≤1.20, 0.85≤d8/d9≤1.35, and −4.00≤R9/R10≤−2.00. Here f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d3 denotes an on-axis thickness of the second lens. The camera optical lens of the present disclosure has excellent optical performances, and meanwhile can meet design requirements of ultra-thin and a wide angle.
1. A camera optical lens comprising six-piece lenses, from an object side to an image side, the six-piece lenses are:
a first lens having a positive refractive power;
a second lens having a negative refractive power;
a third lens having a negative refractive power;
a fourth lens;
a fifth lens having a positive refractive power; and
a sixth lens having a negative refractive power;
wherein the camera optical lens satisfies following conditions:
0.65≤ f 1/ f≤ 0.85;
3.00≤ f 3/ f 2≤8.00;
0.80≤ d 3 /d 4≤1.20;
0.85≤ d 8/ d 9≤1.35; and
−4.00≤ R 9/ R 10≤−2.00;
where
f denotes a focal length of the camera optical lens;
f1 denotes a focal length of the first lens;
f2 denotes a focal length of the second lens;
f3 denotes a focal length of the third lens;
d3 denotes an on-axis thickness of the second lens;
d4 denotes an on-axis distance from an image-side surface of the second lens to an object-side surface of the third lens;
d8 denotes an on-axis distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens;
d9 denotes an on-axis thickness of the fifth lens;
R9 denotes a curvature radius of the object-side surface of the fifth lens; and
R10 denotes a curvature radius of an image-side surface of the fifth lens.
2. The camera optical lens according to claim 1 further satisfying following conditions:
−3.48≤( R 1+ R 2)/( R 1− R 2)≤−0.76; and
0.05≤d1/TTL≤0.18;
where
R1 denotes a curvature radius of an object-side surface of the first lens;
R2 denotes a curvature radius of an image-side surface of the first lens;
d1 denotes an on-axis thickness of the first lens; and
TTL denotes a total optical length from the object-side surface of the first lens to an image surface of the camera optical lens along an optical axis.
3. The camera optical lens according to claim 1 further satisfying following conditions:
−3.87≤ f 2/ f≤− 1.04;
−0.27≤( R 3+ R 4)/( R 3− R 4)≤1.79; and
0.02≤ d 3/ TTL≤ 0.08;
where
f2 denotes a focal length of the second lens;
R3 denotes a curvature radius of an object-side surface of the second lens;
R4 denotes a curvature radius of the image-side surface of the second lens; and
TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optical axis.
4. The camera optical lens according to claim 1 further satisfying following conditions:
−30.91≤ f 3/ f≤− 3.12;
0.13≤( R 5 +R 6)/( R 5 −R 6)≤13.27; and
0.03≤ d 5/ TTL≤ 0.12;
where
f3 denotes a focal length of the third lens;
R5 denotes a curvature radius of the object-side surface of the third lens;
R6 denotes a curvature radius of an image-side surface of the third lens;
d5 denotes an on-axis thickness of the third lens; and
TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optical axis.
5. The camera optical lens according to claim 1 further satisfying following conditions:
−65.26≤ f 4/ f ≤40.69;
−252.61≤( R 7+ R 8)/( R 7− R 8)≤40.41; and
0.03≤ d 7/ TTL ≤0.08;
where
f4 denotes a focal length of the fourth lens;
R7 denotes a curvature radius of an object-side surface of the fourth lens;
R8 denotes a curvature radius of the image-side surface of the fourth lens;
d7 denotes an on-axis thickness of the fourth lens; and
TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optical axis.
6. The camera optical lens according to claim 1 further satisfying following conditions:
0.56≤ f 5/ f≤ 1.86;
0.17≤( R 9+ R 10)/( R 9− R 10)≤0.90; and
0.04≤ d 9/ TTL≤ 0.14;
where
f5 denotes a focal length of the fifth lens; and
TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optical axis.
7. The camera optical lens according to claim 1 further satisfying following conditions:
−1.64 ≤f 6 /f ≤−0.48;
0.55≤( R 11+ R 12)/( R 11− R 12)≤2.35; and
0.04≤ d 11/ TTL ≤0.19;
where
f6 denotes a focal length of the sixth lens;
R11 denotes a curvature radius of an object-side surface of the sixth lens;
R12 denotes a curvature radius of an image-side surface of the sixth lens;
d11 denotes an on-axis thickness of the sixth lens; and
TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optical axis.
8. The camera optical lens according to claim 1 further satisfying following condition: TTL/IH≤1.27;
where IH denotes an image height of the camera optical lens; and
TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optical axis.
9. The camera optical lens according to claim 1 further satisfying following condition: FOV≤80.00°;
where FOV denotes field of view of the camera optical lens.