Camera Lens
The present disclosure provides an ultrathin 5-lensed camera lens having excellent optical characteristics, and a F number less than 2.05. Starting from the object side, the camera lens comprises in order: 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 lenses meet designated conditional formulas.
1 . A camera lens, comprising in order from an object 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, which meet the following conditional formulas (1) to (4):
−10.00≤ f 3/ f≤− 7.00 (1);
0.60≤ f 4/ f≤ 0.90 (2);
0.80≤( R 3+ R 4)/( R 3− R 4)≤1.50 (3);
0.22≤ d 7/ f≤ 0.40 (4);
Wherein,
f: focal distance of the entire camera lens;
f 3 : focal distance of the third lens;
f 4 : focal distance of the fourth lens;
R 3 : curvature radius of object side surface of the second lens;
R 4 : curvature radius of image side surface of the second lens;
d 7 : center thickness of the fourth lens.
2 . The camera lens according to claim 1 , wherein it meets the following conditional formula (5):
−2.00≤ f 2/ f≤− 1.40 (5);
wherein,
f: focal distance of the entire camera lens;
f 2 : focal distance of the second lens;
3 . The camera lens according to claim 1 , wherein it meets the following conditional formula (6):
−1.20≤( R 1+ R 2)/( R 1− R 2)≤−0.80 (6);
wherein,
R 1 : curvature radius of object side surface of the first lens;
R 2 : curvature radius of image side surface of the first lens.