A camera lens includes, lined up from the object side to the image side: a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive or negative refractive power, a fourth lens with positive refractive power, and a fifth lens with negative refractive power. The camera lens satisfies specific conditions.
1. A camera lens comprising, lined up from the object side to the image side: a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive or negative refractive power, a fourth lens with positive refractive power, and a fifth lens with negative refractive power, wherein the camera lens satisfies the following conditions (1) to (8):
0.65≦ f 1/ f≦ 0.78 (1)
13.50≦| f 3|/ f≦ 45.00 (2)
−1.20≦( R 1+ R 2)/( R 1− R 2)≦−0.75 (3)
−0.15≦( R 3+ R 4)/( R 3− R 4)≦0.93 (4)
1.30≦( R 7+ R 8)/( R 7− R 8)≦1.75 (5)
0.03≦( R 9+ R 10)/( R 9− R 10)≦0.50 (6)
0.105≦ d 6/ f≦ 0.150 (7)
0.065≦ d 8/ f≦ 0.150 (8)
In which:
f: Overall focal distance of the lenses;
f 1 : The focal distance of the first lens;
f 3 : The focal distance of the third lens;
R 1 : The object side curvature radius of the first lens;
R 2 : The image side curvature radius of the first lens;
R 3 : The object side curvature radius of the second lens;
R 4 : The image side curvature radius of the second lens;
R 7 : The object side curvature radius of the fourth lens;
R 8 : The image side curvature radius of the fourth lens;
R 9 : The object side curvature radius of the fifth lens;
R 10 : The image side curvature radius of the fifth lens;
d 6 : The axial distance between the image side of the third lens and the object side of the fourth lens;
d 8 : 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 condition:
−2.00≦ f 2/ f≦− 0.90 (9)
In which
f: Overall focal distance of the lenses
f 2 : The focal distance of the second lens.
3. The camera lens according to claim 1 further satisfying the following condition (10):
0.50≦ f 4/ f≦ 0.80 (10)
In which
f: Overall focal distance of the lenses;
f 4 : The focal distance of the fourth lens.
4. The camera lens according to claim 1 further satisfying the following condition:
−0.70≦ f 5/ f≦− 0.45 (11)
In which
f: Overall focal distance of the lenses;
f 5 : The focal distance of the fifth lens.