Abstract: Provided is a camera optical lens including, from an object side to an image side: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power. The camera optical lens satisfies following conditions: 58.00?v1?82.00, and ?5.50?f2/f??3.50, where f denotes a focal length of the camera optical lens, f2 denotes a focal length of the second lens, and v1 denotes an abbe number of the first lens. The camera optical lens according to the present disclosure has better optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.

Abstract: A camera optical lens includes, from an object side to an image side, a first lens having positive refractive power, a second lens having negative refractive power, a third lens having positive refractive power, a fourth lens having negative refractive power, a fifth lens having refractive power, a sixth lens having positive refractive power, and a seventh lens having negative refractive power. The camera optical lens satisfies: 2.90?v1/v2?4.50; 4.00?f3/f?10.00; 1.50?d1/d2?4.00; and 3.00?R7/R8. The camera optical lens has good optical performance while meeting the design requirements of a large aperture, a wide angle, and ultra-thinness.

Abstract: A camera optical lens includes successively 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 58.00?v1?82.00; 2.30?R5/R6; and 0.80?d8/d10?1.20, where v1 denotes an abbe number of the first lens, R5 denotes a curvature radius of an object side surface of the third lens, R6 denotes a curvature radius of an image side surface of the third lens, d8 denotes an on-axis distance from an image side surface of the fourth lens to an object side surface of the fifth lens, and d10 denotes an on-axis distance from an image side surface of the fifth lens to an object side surface of the sixth lens. The camera optical lens meets design requirements of a large aperture, a wide angle, and ultra-thinness while having good optical performance.

Abstract: The present disclosure relates to a technical field of optical lenses, and discloses a camera optical lens. The camera optical lens includes six lenses. An order of the seven lenses is sequentially from an object side to an image side, which is shown as follows: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a 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. While the camera optical lens has good optical performance, the camera optical lens further meets design requirements of large aperture, wide-angle, and ultra-thinness. In addition, on-axis and off-axis chromatic aberrations are fully corrected and the camera optical lens has excellent optical characteristics.

Abstract: Provided is a camera optical lens including first to fifth lenses arranged from an object side to an image side. The camera optical lens satisfies following conditions: 0.95?f2/f?2.00; ?2.80?f3/f??1.50; 4.12?(R1+R2)/(R1?R2)?26.82; 3.20?R7/R8?6.00; and 1.80?d3/d5?3.50, where f, f2, and f3 respectively denote focal lengths of the camera optical lens, the second lens, and the third lens; R1 and R2 denote curvature radiuses of an object side surface and an image side surface of the first lens; R7 and R8 denote curvature radiuses of an object side surface and an image side surface of the fourth lens; d3 and d5 denote on-axis thicknesses of the second lens and the third lens. The camera optical lens has high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.

Abstract: The present disclosure a camera optical lens is provided including, from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power. The camera optical lens satisfies following conditions: 0.40?f1/f?0.48; ?0.75?f2/f??0.50; 1.20?f4/f?3.20; ?1.40?f5/f??1.10; 6.00?d1/d2?8.00; 0.80?(R5+R6)/(R5?R6)?6.50; and 3.00?(R7+R8)/(R7?R8)?10.00. The camera optical lens can achieve good optical performance while meeting the design requirements for long focal length and ultra-thinness.

Abstract: A camera optical lens includes, from an object side to an image side, a first lens having positive refractive power, a second lens having negative refractive power, a third lens having positive refractive power, a fourth lens having negative refractive power, a fifth lens having refractive power, a sixth lens having positive refractive power, and a seventh lens having negative refractive power. The camera optical lens satisfies: 2.90?v1/v2?4.50; 4.00?f3/f?10.00; 1.50?d1/d2?4.00; and 3.00?R7/R8. The camera optical lens has good optical performance while meeting the design requirements of a large aperture, a wide angle, and ultra-thinness.

Abstract: Provided is a camera optical lens including first to fifth lenses arranged from an object side to an image side. The camera optical lens satisfies following conditions: 0.95?f2/f?2.00; ?2.80?f3/f??1.50; 4.12?(R1+R2)/(R1?R2)?26.82; 3.20?R7/R8?6.00; and 1.80?d3/d5?3.50, where f, f2, and f3 respectively denote focal lengths of the camera optical lens, the second lens, and the third lens; R1 and R2 denote curvature radiuses of an object side surface and an image side surface of the first lens; R7 and R8 denote curvature radiuses of an object side surface and an image side surface of the fourth lens; d3 and d5 denote on-axis thicknesses of the second lens and the third lens. The camera optical lens has high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.

Abstract: Provided is a camera optical lens including, from an object side to an image side: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power. The camera optical lens satisfies following conditions: 58.00?v1?82.00, and ?5.50?f2/f??3.50, where f denotes a focal length of the camera optical lens, f2 denotes a focal length of the second lens, and v1 denotes an abbe number of the first lens. The camera optical lens according to the present disclosure has better optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.

Abstract: A camera optical lens includes successively 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 58.00?v1?82.00; 2.30?R5/R6; and 0.80?d8/d10?1.20, where v1 denotes an abbe number of the first lens, R5 denotes a curvature radius of an object side surface of the third lens, R6 denotes a curvature radius of an image side surface of the third lens, d8 denotes an on-axis distance from an image side surface of the fourth lens to an object side surface of the fifth lens, and d10 denotes an on-axis distance from an image side surface of the fifth lens to an object side surface of the sixth lens. The camera optical lens meets design requirements of a large aperture, a wide angle, and ultra-thinness while having good optical performance.

Abstract: A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, and a fourth lens having a positive refractive power. 2.70?v1/v4?4.30, ?1.20?f2/f??0.50, ?0.80?f3/f??0.30, ?10.00?(R7+R8)/(R7?R8)??2.00, and 3.00?d4/d5?10.00. f denotes a focal length of the camera optical lens. f2 denotes a focal length of the second lens. f3 denotes a focal length of the third lens. v1 denotes an abbe number of the first lens. v4 denotes an abbe number of the fourth lens. R7 denotes a curvature radius of an object-side surface of the fourth lens. R8 denotes a curvature radius. d4 denotes an on-axis distance. d5 denotes an on-axis thickness of the third lens. The camera optical lens can achieve a good optical performance while being ultra-thin and having a long-focal-length.

Abstract: A camera optical lens includes, from an object side to an image side, a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens having a negative refractive power; a sixth lens; a seventh lens having a positive refractive power; and an eighth lens having a negative refractive power. The camera optical lens satisfies: 1.50?f7/f?4.00, 1.20?R6/R5?5.00 and 1.00?d10/d12?3.50, where f denotes a focal length of the camera optical lens, f7 denotes a focal length of the seventh lens, R5 denotes a curvature radius of an object-side surface of the third lens, and R6 denotes a curvature radius of an image-side surface of the third lens. The camera optical lens can achieve good optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.

Abstract: A projection lens is disclosed. The projection lens includes, in sequence from an object side to an image side: an object surface, a first lens having positive refractive power, a second lens having negative refractive power, and a third lens having positive refractive power, where a focal length of the entire projection lens is f, a total optical length of the projection lens is TTL, a refractive index of the second lens is n2, a refractive index of the third lens is n3, and the following conditions are satisfied: 1.7?n2?2.2; 1.7?n3?2.2; and 1.25?f/TTL?2.20. The projection lens can effectively reduce the system length, and has good performance stability at different temperatures.

Abstract: An camera optical lens is disclosed. The camera optical lens includes, in sequence 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. A focal length of the first lens is f1, an Abbe number of the first lens is v1, a focal length of the second lens is f2, an Abbe number of the second lens is v2, a curvature radius of an object side of the second lens is R3, a curvature radius of an image side of the second lens is R4, an on-axis distance from an image side of the first lens to the object side of the second lens is d2, a total optical length of the camera optical lens is TTL, and the following conditions are satisfied: ?15.0?f2/f1??4.9, 25.0?TTL/d2?47.0, 3.0?v1/v2?7.0, and 6.0?(R3+R4)/(R3?R4)?20.0.

Abstract: The present disclosure a camera optical lens is provided including, from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power. The camera optical lens satisfies following conditions: 0.40?f1/f?0.48; ?0.75?f2/f??0.50; 1.20?f4/f?3.20; ?1.40?f5/f??1.10; 6.00?d1/d2?8.00; 0.80?(R5+R6)/(R5?R6)?6.50; and 3.00?(R7+R8)/(R7?R8)?10.00. The camera optical lens can achieve good optical performance while meeting the design requirements for long focal length and ultra-thinness.

Abstract: An camera optical lens is disclosed. The camera optical lens includes, in sequence 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. A focal length of the first lens is f1, an Abbe number of the first lens is v1, a focal length of the second lens is f2, an Abbe number of the second lens is v2, a curvature radius of an object side of the second lens is R3, a curvature radius of an image side of the second lens is R4, an on-axis distance from an image side of the first lens to the object side of the second lens is d2, a total optical length of the camera optical lens is TTL, and the following conditions are satisfied: ?15.0?f2/f1??4.9, 25.0?TTL/d2?47.0, 3.0?v1/v2?7.0, and 6.0?(R3+R4)/(R3?R4)?20.0.

Abstract: A projection lens is disclosed. The projection lens includes, in sequence from an object side to an image side: an object surface, a first lens having positive refractive power, a second lens having negative refractive power, and a third lens having positive refractive power, where a focal length of the entire projection lens is f1 a total optical length of the projection lens is TTL, a refractive index of the second lens is n2, a refractive index of the third lens is n3, and the following conditions are satisfied: 1.7?n2?2.2; 1.7?n3?2.2; and 1.25?f/TTL?2.20. The projection lens can effectively reduce the system length, and has good performance stability at different temperatures.