Camera optical lens

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, and a fifth lens having a negative refractive power; wherein the camera optical lens further satisfies the following conditions:

0.85< f 1/ f< 0.87;

−2.8< f 2/ f<− 3.0;

−8.4< f 3/ f<− 7.3;

0.58< f 4/ f< 0.62;

−0.55< f 5/ f<− 0.50;

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.

2. The camera optical lens as described in claim 1 further satisfying the following conditions:

9.5< v 3/ n 3<11.5;

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;

n 3 : the refractive power of the third lens.

3. The camera optical lens as described in claim 1 , further satisfying the following conditions:

0.25< d 5<0.26;

4.4<( d 1+ d 7)/ d 5<4.8; where

d 1 : the thickness on-axis of the first lens;

d 5 : the thickness on-axis of the third lens;

d 7 : the thickness on-axis of the fourth lens.

4. The camera optical lens as described in claim 1 further satisfying the following conditions:

2.85< f 1<2.95;

−10< f 2<−9;

−29< f 3<−24;

1.9< f 4<2.1;

−1.8< f 5<−1.7; 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;

1.9< n 3<2.1;

1.5< n 4<1.6;

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;

22< v 2<25;

19.5< v 3<21.5;

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 4.0 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 1.8.

9. The camera optical lens as described in claim 1 further satisfying the following condition:

1.2< d 5/ d 3<1.3; where

d 3 : the thickness on-axis of the second lens;

d 5 : the thickness on-axis of the third lens.