Abstract: A camera optical lens is provided, including from an object side to an image side: a first lens; a second lens; a third lens; a fourth lens; a fifth lens; and a sixth lens, the camera optical lens satisfies following conditions: ?2.80?f1/f??1.20; 1.20?d9/d11?1.90; 1.20?(R7+R8)/(R7?R8)?5.00; 0.70?f2/f?1.00, where f denotes focal length of the camera optical lens; f1 denotes focal length of the first lens; f2 denotes focal length of the second lens; R7 denotes curvature radius of object side surface of the fourth lens; R8 denotes curvature radius of image side surface of the fourth lens; d9 denotes on-axis thickness of the fifth lens; d11 denotes on-axis thickness of the sixth lens. The above camera optical lens can meet design requirements for large aperture, wide angle and ultra-thinness, while maintaining good imaging quality.

Abstract: The present invention provides an optical camera lens, including, from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens, and satisfying: 1.80?f1/f?3.20; and 2.00?d3/d4?8.00, where f denotes a focal length of the optical camera lens, f1 denotes a focal length of the first lens, d3 denotes an on-axis thickness of the second 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. The optical camera lens meets design requirements of a large aperture, a wide angle, and ultra-thinness while having good optical performance.

Abstract: Disclosed is a camera optical lens, comprising, from an object side to an image side in sequence: a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power; wherein, the camera optical lens satisfies: ?4.50?f1/f??2.20; 2.00?f2/f?5.50; ?20.00?(R3+R4)/(R3?R4)??2.50; and 3.00?d9/d10?10.00; where, f denotes a focus length of camera optical lens; f1 and f2 denote focus lengths of first and second lens respectively; d9 denotes an on-axis thickness of fifth lens; d10 denotes an on-axis distance from an image side surface of fifth lens to an object side surface of sixth lens; R3 and R4 denote central curvature radii of an object side surface and an object side surface of second lens respectively.