Camera optical lens
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 stop, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens is made of glass 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, and the fifth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
1. A camera optical lens comprising, from an object side to an image side in sequence: an aperture stop, a first lens with a positive refractive power, a second lens with a negative refractive power, a third lens with a negative refractive power, a fourth lens with a positive refractive power, and a fifth lens a negative refractive power; wherein the camera optical lens further satisfies the following conditions:
3< f/R 1 −f/R 2+ f*d 1/( R 1* R 2)<4.5;
−1.2< f 1 /f 4<−0.2;
f/R 1<3.399;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f4: the focal length of the fourth lens;
R 1 : the curvature radius of object side surface of the first lens;
R 2 : the curvature radius of image side surface of the first lens;
R 4 : the curvature radius of image side surface of the second lens;
d1: The thickness on-axis of the first lens.
2. The camera optical lens as described in claim 1 further satisfying the following conditions:
0.75< SD/TD< 1; where
SD: the distance on-axis from aperture to the image side surface of the fifth lens;
TD: the distance on-axis from the object side surface of the first lens to the image side surface of the fifth lens.
3. The camera optical lens as described in claim 1 further satisfying the following conditions:
−0.35<( R 8+ R 9)/( R 8 −R 9)<−0.15; where
R 8 : the curvature radius of image side surface of the fourth lens;
R 9 : the curvature radius of object side surface of the fifth lens.
4. The camera optical lens as described in claim 1 further satisfying the following conditions:
−1<( R 1 +R 2)/( R 1 −R 2)<0;where
R 1 : the curvature radius of object side surface of the first lens;
R 2 : the curvature radius of image side surface of the first lens.
5. The camera optical lens as described in claim 1 further satisfying the following conditions:
1.6< N max<1.7; 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;
Nmax: the maximum value of the n1, the n2, the n3, the n4, and the n5.
6. The camera optical lens as described in claim 1 further satisfying the following condition:
3< f/ImgH< 4; where
f: the focal length of the camera optical lens;
ImgH: the maximum image height of the camera optical lens.
7. The camera optical lens as described in claim 1 further satisfying the following condition:
1< EPD/ImgH <2; where
EPD: the entrance pupil diameter of the camera optical lens;
ImgH: the maximum image height of the camera optical lens.
8. The camera optical lens as described in claim 1 further satisfying the following conditions:
0.75< TTL/f< 1;
TTL< 7; where
f: the focal length of the camera optical lens;
TTL: the total optical length of the camera optical lens.
9. The camera optical lens as described in claim 1 further satisfying the following condition:
d 6/ d 8<0.2; where
d6: the distance on-axis from the image side surface of the third lens to the object side surface of the fourth lens;
d8: the distance on-axis from the image side surface of the fourth lens to the object side surface of the fifth lens.
10. The camera optical lens as described in claim 1 , wherein the first lens is made of glass 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, and the fifth lens is made of plastic material.