Camera lens

1. A camera lens, comprising, sequentially from an object side:

a first lens having a positive refractive power;

a second lens having a positive refractive power;

a third lens having a negative refractive power;

a fourth lens having a positive refractive power;

a fifth lens having a negative refractive power;

a sixth lens having a positive refractive power;

a seventh lens having a positive or negative refractive power; and

an eighth lens having a negative refractive power,

wherein the camera lens satisfies following conditions:

1.70≤ nd 2≤1.80;

40.00≤ν2≤50.00; and

4.00≤( d 1+ d 3)/ d 2≤12.00,

where

nd2 denotes a refractive index of d line of the second lens;

v2 denotes an abbe number of the second lens;

d1 denotes a center thickness of the first lens;

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

d3 denotes a center thickness of the second lens.

2. The camera lens as described in claim 1 , further satisfying a following condition:

0.30≤ R 3/ R 4≤0.50,

where

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

R4 denotes a curvature radius of an image side surface of the second lens.

3. The camera lens as described in claim 1 , further satisfying a following condition:

2.00≤| R 5/ R 6|≤15.00,

where

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

R6 denotes a curvature radius of an image side surface of the third lens.

4. The camera lens as described in claim 1 , further satisfying a following condition:

0.005≤ d 4/ f≤ 0.010,

where

f denotes a focal length of the camera lens; and

d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens.