Camera optical lens

1. A camera optical lens comprising, from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens; the camera optical lens further satisfies the following conditions:

−3≤ f 1/ f≤− 1;

1.7≤ n 6≤2.2;

1≤ f 6/ f 7≤10;

1.2≤( R 1+ R 2)/( R 1− R 2)≤10;

0.01≤ d 11/ TTL≤ 0.2;

0.51≤ f 2/ f≤ 1.88 where

f: the focal length of the camera optical lens, and the unit is mm;

f 1 : the focal length of the first lens, and the unit is mm;

f 2 : the focal length of the second lens, and the unit is mm;

f 6 : the focal length of the sixth lens, and the unit is mm;

f 7 : the focal length of the seventh lens, and the unit is mm;

n 6 : the refractive power of the sixth lens;

R 1 : curvature radius of object side surface of the first lens, and the unit is mm;

R 2 : the curvature radius of image side surface of the first lens, and the unit is mm;

d 11 : the thickness on-axis of the sixth lens;

TTL: the total optical length of the camera optical lens.

2. 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, the sixth lens is made of glass material, the seventh lens is made of plastic material.

3. The camera optical lens as described in claim 1 , wherein first lens has a negative refractive power with a convex object side surface and a concave image side surface; the camera optical lens further satisfies the following conditions:

0.09 mm≤ d 1≤0.27 mm; where

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

4. The camera optical lens as described in claim 1 , wherein the second lens has a positive refractive power with a convex object side surface and a convex image side surface; the camera optical lens further satisfies the following conditions:

−1.48≤( R 3+ R 4)/( R 3− R 4)≤−0.41;

0.25 mm≤ d 3≤0.98 mm; where

R 3 : the curvature radius of the object side surface of the second lens and the unit is mm;

R 4 : the curvature radius of the image side surface of the second lens, and the unit is mm;

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

5. The camera optical lens as described in claim 1 , wherein the third lens has a concave image side surface; wherein the camera optical lens further satisfies the following conditions:

−1123.8≤ f 3/ f≤ 14.46;

−65.31≤( R 5+ R 6)/( R 5− R 6)≤0.1;

0.12 mm≤ d 5≤0.46 mm; where

f: the focal length of the camera optical lens, and the unit is mm;

f 3 : the focal length of the third lens, and the unit is mm;

R 5 : the curvature radius of the object side surface of the third lens, and the unit is mm;

R 6 : the curvature radius of the image side surface of the third lens, and the unit is mm;

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

6. The camera optical lens as described in claim 1 , wherein the fourth lens has a convex object side surface and a concave image side surface; the camera optical lens further satisfies the following conditions:

−8.15≤ f 4/ f≤ 42.22;

1.72≤( R 7+ R 8)/( R 7− R 8)≤98.25;

0.2 mm≤ d 7≤1.03 mm; where

f: the focal length of the camera optical lens, and the unit is mm;

f 4 : the focal length of the fourth lens, and the unit is mm;

R 7 : the curvature radius of the object side surface of the fourth lens and the unit is mm;

R 8 : the curvature radius of the image side surface of the fourth lens, and the unit is mm;

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

7. The camera optical lens as described in claim 1 , wherein the fifth lens has a positive refractive power with a concave object side surface and a convex image side surface; the camera optical lens further satisfies the following conditions:

0.22≤ f 5/ f≤ 0.85;

0.57≤( R 9+ R 10)/( R 9− R 10)≤1.79;

0.52 mm≤ d 9≤1.57 mm; where

f: the focal length of the camera optical lens, and the unit is mm;

f 5 : the focal length of the fifth lens, and the unit is mm;

R 9 : the curvature radius of the object side surface of the fifth lens, and the unit is mm;

R 10 : the curvature radius of the image side surface of the fifth lens, and the unit is mm;

d 9 : the thickness on-axis of the fifth lens.

8. The camera optical lens as described in claim 1 , wherein the sixth lens has a negative refractive power with a convex object side surface and a concave image side surface; the camera optical lens further satisfies the following conditions:

−10≤ f 6/ f≤ 0.99;

0.75≤( R 11+ R 12)/( R 11− R 12)≤9.13;

0.11 mm≤ d 11≤0.78 mm; where

f: the focal length of the camera optical lens, and the unit is mm;

f 6 : the focal length of the sixth lens, and the unit is mm;

R 11 : the curvature radius of the object side surface of the sixth lens and the unit is mm;

R 12 : the curvature radius of the image side surface of the sixth lens and the unit is mm;

d 11 : the thickness on-axis of the sixth lens.

9. The camera optical lens as described in claim 1 , wherein the seventh lens has a negative refractive power with a convex object side surface and a concave image side surface; the camera optical lens further satisfies the following conditions:

0.79≤( R 13+ R 14)/( R 13− R 14)≤3.51;

−2.63≤ f 7/ f≤− 0.36;

0.15 mm≤ d 13≤0.86 mm; where

f: the focal length of the camera optical lens, and the unit is mm;

f 1 : the focal length of the seventh lens, and the unit is mm;

R 13 : the curvature radius of the object side surface of the seventh lens, and the unit is mm;

R 14 : the curvature radius of the image side surface of the seventh lens, and the unit is mm;

d 13 : the thickness on-axis of the seventh lens.

10. The camera optical lens as described in claim 1 , wherein the total optical length TTL of the camera optical lens is less than or equal to 7.4 mm.

11. 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 2.37.