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< 0.85;
−2.8< f 2/ f<− 2.3;
−6.2< f 3/ f<− 5.7;
0.55< f 4/ f< 0.65;
−0.55< f 5/ f<− 0.45;
1.55<( R 3+ R 4)/( R 3− R 4)<1.60;
where
f: the focal length of the camera optical lens;
f 1 : the focal length of the first lens;
f 2 : the focal length of the second lens;
f 3 : the focal length of the third lens;
f 4 : the focal length of the fourth lens;
f 5 : the focal length of the fifth lens;
R 3 : the curvature radius of object side surface of the second lens;
R 4 : the curvature radius of image side surface of the second lens.
2. The camera optical lens as described in claim 1 further satisfying the following condition:
40< v 2+ v 3<42; where
v 2 : The abbe number of the second lens;
v 3 : The abbe number of the third lens.
3. The camera optical lens as described in claim 1 , further satisfying the following conditions
1.7< d 1/ d 5<1.8; where
d 1 : the thickness on-axis of the first lens;
d 5 : the thickness on-axis of the third lens.
4. The camera optical lens as described in claim 1 further satisfying the following conditions:
2.9< f 1<3.1;
−10.0< f 2<−9.5;
−24< f 3<−22;
2.2< f 4<2.4;
−1.9< f 5<−1.8; where
f 1 : the focal length of the first lens;
f 2 : the focal length of the second lens;
f 3 : the focal length of the third lens;
f 4 : the focal length of the fourth lens;
f 5 : the focal length of the fifth lens.
5. The camera optical lens as described in claim 1 , further satisfying the following conditions:
1.5< n 1<1.6;
1.6< n 2<1.7;
1.6< n 3<1.7;
1.53< n 4<1.55;
1.52< n 5<1.55; where
n 1 : the refractive power of the first lens;
n 2 : the refractive power of the second lens;
n 3 : the refractive power of the third lens;
n 4 : the refractive power of the fourth lens;
n 5 : the refractive power of the fifth lens.
6. The camera optical lens as described in claim 1 further satisfying the following conditions:
55< v 1<57;
20< v 2<21;
20< v 3<21;
55< v 4<57;
55< v 5<57; where
v 1 : The abbe number of the first lens;
v 2 : The abbe number of the second lens;
v 3 : The abbe number of the third lens;
v 4 : The abbe number of the fourth lens;
v 5 : The abbe number of the fifth lens.
7. 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.
8. 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.
9. The camera optical lens as described in claim 1 , wherein the first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of plastic material.