The present disclosure provides a camera lens, constituted by eight lenses, and featuring excellent optical characteristics, an ultra-thin appearance, a wide angle and a bright Fno. The camera lens is configured with, sequentially from an object side: a 1st lens having a positive refractive power, a 2nd lens having a negative refractive power, a 3rd lens having a negative refractive power, a 4th lens having a positive refractive power, a 5th lens having a negative refractive power, a 6th lens having a positive refractive power, a 7th lens having a positive refractive power and an 8th lens having a negative refractive power, and satisfies specified conditional formulas.
1. A camera lens, configured with, sequentially from an object side: a 1st lens having a positive refractive power, a 2nd lens having a negative refractive power, a 3rd lens having a negative refractive power, a 4th lens having a positive refractive power, a 5th lens having a negative refractive power, a 6th lens having a positive refractive power, a 7th lens having a positive refractive power and an 8th lens having a negative refractive power, and satisfying conditional formulas (1) to (4) below:
1.00≤ f 1/ f≤ 1.50 (1);
−8.00≤ f 2/ f≤− 5.00 (2);
−8.00≤ f 3/ f≤− 5.00 (3);
1.00≤ R 5/ R 6≤1.40 (4);
where,
f: a focal length of an overall camera lens;
f1: a focal length of the 1st lens;
f2: a focal length of the 2nd lens;
f3: a focal length of the 3rd lens;
R5: a curvature radius of an object side surface of the 3rd lens;
R6: a curvature radius of an image side surface of the 3rd lens.
2. The camera lens according to claim 1 , satisfying a conditional formula (5) below:
5.00≤ f 4/ f≤ 15.00 (5);
where,
f: the focal length of the overall camera lens;
f4: a focal length of a 4th lens.
3. The camera lens according to claim 1 , satisfying a conditional formula (6) below:
−30.00≤ f 5/ f≤− 2.00 (6);
where,
f: the focal length of the overall camera lens;
f5: a focal length of a 5th lens.
4. The camera lens according to claim 1 , satisfying a conditional formula (7) below:
5.00≤ f 6/ f≤ 70.00 (7);
where,
f: the focal length of the overall camera lens;
f6: a focal length of a 6th lens.
5. The camera lens according to claim 1 , satisfying a conditional formula (8) below:
0.30≤ f 7/ f≤ 1.50 (8);
where,
f: the focal length of the overall camera lens;
f7: a focal length of a 7th lens.
6. The camera lens according to claim 1 , satisfying a conditional formula (9) below:
−1.00≤ f 8/ f≤− 0.30 (9);
where,
f: the focal length of the overall camera lens;
f8: a focal length of an 8th lens.