Camera lens

1. A camera lens comprising, in an order from an object side to an image side: a first lens with a negative refractive power, a second lens with a positive refractive power, a third lens with a positive refractive power, and 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 lens further satisfies the following conditions:

−9.00≤ f 1/ f≤− 3.00  (1)

4.00≤ f 2/ f≤ 16.00  (2)

-10.00< f 4/ f≤− 6.00  (3)

5.00≤( R 7+ R 8)/( R 7− R 8)<10.00  (4)

0.50≤( R 9+ R 10)/( R 9− R 10)≤5.00  (5)

where

f: focal length of the whole camera lens;

f1: focal length of the first lens;

f2: focal length of the second lens;

f4: focal length of the fourth lens;

R7: curvature radius of the object side surface of the fourth lens;

R8: curvature radius of the image side surface of the fourth lens;

R9: curvature radius of the object side surface of the fifth lens;

R10: curvature radius of the image side surface of the fifth lens.

2. The camera lens as described in claim 1 further satisfying the following conditions (6)˜(7):

1.50≤ f 3/ f≤ 4.00  (6)

1.00≤( R 5+ R 6)/( R 5− R 6)≤2.50  (7)

where

f: focal length of the whole camera lens,

f3: focal length of the third lens;

R5: curvature radius of the object side surface of the third lens;

R6: curvature radius of the image side surface of the third lens.

3. The camera lens as described in claim 1 further satisfying the following condition (8):

0.40≤ f 5/ f≤ 1.00  (8)

where

f: focal length of the whole camera lens;

is f5: focal length of fifth lens.

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

−2.00≤ f 6/ f≤− 0.60  (9)

where

f: focal length of the whole camera lens;

f6: focal length of the sixth lens.