A camera lens includes from an object side to an image side: a first lens with positive refractive power; a second lens with negative refractive power; a third lens with negative refractive power; a fourth lens with positive refractive power and a fifth lens with negative refractive power. Specific conditions are satisfied. The camera lens has excellent optical properties.
1. A camera lens comprises, from an object side to an image side: a first lens with positive refractive power; a second lens with negative refractive power; a third lens with negative refractive power; a fourth lens with positive refractive power and a fifth lens with negative refractive power, the camera lens satisfying the following conditions:
0.70≦ f 1/ f≦ 0.85;
−40.00≦ f 3/ f≦− 15.00;
−2.00≦( R 1+ R 2)/( R 1− R 2)≦−1.209;
−0.45≦( R 3+ R 4)/( R 3− R 4)≦−0.15;
0.12≦ d 8/ f≦ 0.18;
where, f is the overall focal distance of the camera lens; f 1 is the focal distance of the first lens; f 3 is the focal distance of the third lens; R 1 is the object side curvature radius of the first lens; R 2 is the image side curvature radius of the first lens; R 3 is the object side curvature radius of the second lens; R 4 is the image side curvature radius of the second lens; d 8 is the axial distance between the image side of the fourth lens and the object side of the fifth lens.
2. The camera lens according to claim 1 further satisfying the following conditions:
0.05≦ d 6/ f≦ 0.15
wherein, f is the overall focal distance of the camera lens; d 6 is the axial distance between the image side of the third lens and the object side of the fourth lens.