Camera optical lens

1. A camera optical lens comprising, from an object side to an image side:

a first lens having a negative refractive power;

a second lens having a positive refractive power;

a third lens having a positive refractive power;

a fourth lens with a negative refractive power;

a fifth lens with a positive refractive power; and

a sixth lens with a negative refractive power;

wherein the camera optical lens satisfies following conditions:

65.00≤ v 3≤95.00;

R 2/ R 1≤−2.00;

−10.00≤ f 4/ f 5≤−2.00;

wherein

v3 denotes an abbe number of the third lens;

f4 denotes a focal length of the fourth lens;

f5 denotes a focal length of the fifth lens;

R1 denotes a central curvature radius of an object-side surface of the first lens; and

R2 denotes a central curvature radius of an image-side surface of the first lens.

2. The camera optical lens according to claim 1 , further satisfying a condition of

1.50≤ d 2/ d 3≤6.00;

wherein

d2 denotes an on-axis distance from the image-side surface of the first lens to the object-side surface of the second lens; and

d3 denotes an on-axis thickness of the second lens.

3. The camera optical lens according to claim 1 , further satisfying a condition of

1.50≤ f 2/ f≤ 4.00;

wherein

f denotes a focal length of the camera optical lens; and

f2 denotes a focal length of the second lens.

4. The camera optical lens according to claim 1 , further satisfying following conditions:

−5.49≤ f 1/ f≤− 1.39;

−1.83≤( R 1+ R 2)/( R 1− R 2)≤−0.23;

0.02≤ d 1/TTL≤0.13;

wherein

f denotes a focal length of the camera optical lens;

f1 denotes a focal length of the first lens;

d1 denotes an on-axis thickness of the first lens; and

TTL denotes a total track length of the camera optical lens.

5. The camera optical lens according to claim 1 , further satisfying following conditions:

−7.86≤( R 3+ R 4)/( R 3− R 4)≤−0.72;

0.02≤ d 3/TTL≤0.11;

wherein

R3 denotes a central curvature radius of an object-side surface of the second lens;

R4 denotes a central curvature radius of an image-side surface of the second lens;

d3 denotes an on-axis thickness of the second lens; and

TTL denotes a total track length of the camera optical lens.

6. The camera optical lens according to claim 1 , further satisfying following conditions:

0.79≤ f 3/ f≤ 6.55;

0.03≤( R 5+ R 6)/( R 5− R 6)≤1.98;

0.04≤ d 5/TTL≤0.14;

wherein

f denotes a focal length of the camera optical lens;

f3 denotes a focal length of the third lens;

R5 denotes a central curvature radius of an object-side surface of the third lens;

R6 denotes a central 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 track length of the camera optical lens.

7. The camera optical lens according to claim 1 , further satisfying following conditions:

−15.47≤ f 4/ f≤− 1.69;

0.68≤( R 7+ R 8)/( R 7− R 8)≤8.00;

0.02≤ d 7/TTL≤0.06;

wherein

f denotes a focal length of the camera optical lens;

R7 denotes a central curvature radius of an object-side surface of the fourth lens;

R8 denotes a central curvature radius of an image-side surface of the fourth lens;

d7 denotes an on-axis thickness of the fourth lens; and

TTL denotes a total track length of the camera optical lens.

8. The camera optical lens according to claim 1 , further satisfying following conditions:

0.32≤ f 5/ f≤ 1.85;

0.29≤( R 9+ R 10)/( R 9− R 10)≤1.84;

0.07≤ d 9/TTL≤0.30;

wherein

f denotes a focal length of the camera optical lens;

R9 denotes a central curvature radius of an object-side surface of the fifth lens;

R10 denotes a central curvature radius of an image-side surface of the fifth lens;

d9 denotes an on-axis thickness of the fifth lens; and

TTL denotes a total track length of the camera optical lens.

9. The camera optical lens according to claim 1 , further satisfying following conditions:

−3.96≤ f 6/ f≤− 0.48;

0.75≤( R 11+ R 12)/( R 11− R 12)≤5.25;

0.04≤ d 11/TTL≤0.13;

wherein

f denotes a focal length of the camera optical lens;

f6 denotes a focal length of the sixth lens;

R11 denotes a central curvature radius of an object-side surface of the sixth lens;

R12 denotes a central 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 track length of the camera optical lens.

10. The camera optical lens according to claim 1 , wherein the third lens is made of glass material.