Camera optical lens

1. A camera optical lens, comprising six lenses, the six lenses from an object side to an image side being:

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 with a positive refractive power;

a fifth lens with a negative refractive power and

a sixth lens with a negative refractive power;

wherein the camera optical lens satisfies the following conditions:

65.00≤ v 1≤90.00;

2.00≤ d 8/ d 9≤8.00;

−1.59≤ f 3/ f≤− 0.39;

−1.45≤( R 5+ R 6)/( R 5− R 6)≤−0.36;

0.02≤ d 5/ TTL≤ 0.07;

where

v1 denotes an abbe number of the first lens,

d8 denotes an on-axis distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens,

d9 denotes an on-axis thickness of the fifth lens,

f denoted 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 optical length from the object-side surface of the first lens to an image surface of the camera optical lens along an optical axis.

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

1.50≤ f 4/ f≤ 4.00;

wherein,

f4 denotes a focal length of the fourth lens.

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

R 12/ R 11≤−1.50;

wherein,

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

R12 denotes a central curvature radius of an image-side surface of the sixth lens.

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

0.23≤ f 1/ f≤ 0.84;

−1.87≤( R 1+ R 2)/( R 1− R 2)≤−0.46;

0.09≤ d 1/ TTL≤ 0.30;

wherein,

f1 denotes a focal length of the first lens,

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

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

d1 denotes an on-axis thickness of the first lens.

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

−7.78≤ f 2/ f≤− 1.79;

−2.02≤( R 3+ R 4)/( R 3− R 4)≤4.85;

0.02≤ d 3/ TTL≤ 0.07;

wherein

f2 denotes a focal length of the second lens,

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.

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

−7.93≤(( R 7+ R 8)/( R 7− R 8)≤−1.42;

0.02≤ d 7/ TTL≤ 0.07;

wherein

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.

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

−3.02≤ f 5/ f≤− 0.94;

0.85≤( R 9+ R 10)/( R 9− R 10)≤2.96;

0.02≤ d 9/ TTL≤ 0.10;

wherein

f5 denotes a focal length of the fifth 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.

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

−124.82≤ f 6/ f≤ 82.03;

−1.77≤( R 11+ R 12)/( R 11− R 12)≤−0.14:

0.05≤ d 11/ TTL≤ 0.20;

wherein

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.

9. The camera optical lens according to claim 1 , further satisfying the condition of:

TTI /IH≤2.15;

wherein

IH denotes an image height of the camera optical lens.

10. The camera optical lens according to claim 1 , further satisfying the condition of:

f /IH≥2.20;

wherein

IH denotes an image height of the camera optical lens.

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