Camera optical lens
View Patent ↗The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, an aperture, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The camera optical lens further satisfies specific conditions.
1. A camera optical lens comprising, from an object side to an image side in sequence: 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 having a positive refractive power, a fifth lens having a negative refractive power; wherein the camera optical lens further satisfies the following conditions:
0.75< f 1/ f< 0.80;
−2.0< f 2/ f<− 1.9;
−7< f 3/ f<− 6;
0.5< f 4/ f< 0.6;
−0.5< f 5/ f<− 0.4;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f2: the focal length of the second lens;
f3: the focal length of the third lens;
f4: the focal length of the fourth lens;
f5: the focal length of the fifth lens.
2. The camera optical lens as described in claim 1 further satisfying the following conditions:
11< v 2/ n 2<14;
1.15< n 2/ n 5<1.25; where
v2: The abbe number of the second lens;
n2: the refractive power of the second lens;
n5: the refractive power of the fifth lens.
3. The camera optical lens as described in claim 1 , further satisfying the following conditions:
0.035< d 3/TTL<0.04;
0.21< d 3/ d 1<0.23;
0.21< d 3/ d 7<0.23; where
TTL: the total optical length of the camera optical lens;
d1: the thickness on-axis of the first lens;
d3: the thickness on-axis of the second lens;
d7: the thickness on-axis of the fourth lens.
4. The camera optical lens as described in claim 1 further satisfying the following condition:
2.3<( R 3− R 6)/( R 3+ R 6)<2.5; where
R 3 : the curvature radius of object side surface of the second lens;
R 6 : the curvature radius of image side surface of the third lens.
5. The camera optical lens as described in claim 1 further satisfying the following conditions:
2.9<f1<3.0;
−7.8< f 2<−7.3;
−27< f 3<−25;
2.0<f4<2.1;
−1.7< f 5<−1.6; where
f1: the focal length of the first lens;
f2: the focal length of the second lens;
f3: the focal length of the third lens;
f4: the focal length of the fourth lens;
f5: the focal length of the fifth lens.
6. The camera optical lens as described in claim 1 , the camera optical lens further satisfies the following conditions:
1.5<n1<1.6;
1.8<n2<1.9;
1.65<n3<1.68;
1.53<n4<1.55;
1.52<n5<1.55; where
n1: the refractive power of the first lens;
n2: the refractive power of the second lens;
n3: the refractive power of the third lens;
n4: the refractive power of the fourth lens;
n5: the refractive power of the fifth lens.
7. The camera optical lens as described in claim 1 further satisfying the following conditions:
55<v1<57;
22<v2<25;
20<v3<22;
55<v4<57;
55<v5<58; where
v1: The abbe number of the first lens;
v2: The abbe number of the second lens;
v3: The abbe number of the third lens;
v4: The abbe number of the fourth lens;
v5: The abbe number of the fifth lens.
8. The camera optical lens as described in claim 1 , wherein the total optical length of the camera optical lens is less than or equal to 4.4 mm.
9. The camera optical lens as described in claim 1 , wherein the aperture F number of the camera optical lens is less than or equal to 2.0.
10. The camera optical lens as described in claim 1 further satisfying the following condition:
1.9<( d 7+ d 5)/( d 7− d 5)<2.0; where
d5: the thickness on-axis of the third lens;
d7: the thickness on-axis of the fourth lens.