Changzhou Raytech Optronics Co., Ltd.

A camera optical lens includes, from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens. At least one of the first lens to the eighth lens has a free-form surface, and the camera optical lens satisfies: −3.50≤f2/f1≤−1.50; and −2.00≤R9/R10≤−0.80, where f1 is a focal length of the first lens, f2 is a focal length of the second lens, R9 is a central curvature radius of an object side surface of the fifth lens, and R10 is a central curvature radius of an image side surface of the fifth lens. The camera optical lens has a large aperture, a wide angle, and ultra-thinness, as well as excellent optical performance.

A camera optical lens is provided, including from an object side to an image side: a first lens; a second lens having negative refractive power; a third lens; a fourth lens; a fifth lens; a sixth lens; a seventh lens; an eighth lens; and a ninth lens, wherein the camera optical lens satisfies the following conditions: 2.00≤f1/f≤5.50; and 1.50≤d15/d16≤9.00, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; d15 denotes an on-axis thickness of the eighth lens; and d16 denotes an on-axis distance from an image side surface of the eighth lens to an object side surface of the ninth lens. The above camera optical lens can meet design requirements for large aperture, wide-angle and ultra-thinness, while maintaining good imaging quality.

A camera optical lens is provided. The camera optical lens includes, from an object side to an image side, a first lens, a second lens having a negative refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens. The camera optical lens satisfies following conditions: 2.00≤f1/f≤5.00; and 2.00≤d11/d12≤9.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d11 denotes an on-axis thickness of the sixth lens, and d12 denotes an on-axis distance from an image side surface of the sixth lens to an object side surface of the seventh lens. The camera optical lens according to the present disclosure satisfies design requirements for large-aperture and ultra-thin lenses while achieving good optical performance.

The present disclosure discloses a camera optical lens, which includes, from an object-side to an-image side: a first lens having a positive refractive power, a second, third, fourth, fifth, sixth, seventh and eight lens, which satisfies following conditions: 0.95≤f/TTL; −4.00≤f2/f≤−2.00; and 2.50≤(R7+R8)/(R7−R8)≤15.00; where f denotes a focal length of the camera optical lens; TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optic axis; f2 denotes a focal length of the second lens; R7 denotes a curvature radius of an object-side surface of the fourth lens; R8 denotes a curvature radius of an image-side surface of the fourth lens. The camera optical lens can achieve good optical performance while meeting the design requirement for large aperture, long focal length and ultra-thinness (in a camera optical lens with the long focal length).

The present disclosure relates to optical lens, and provides a camera optical lens including from an object side to an image side in sequence: a first lens having a positive refractive power, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens; wherein the camera optical lens satisfies the following conditions: 0.95≤f/TTL; −5.00≤f2/f≤−3.20; and 3.00≤(R15+R16)/(R15−R16)≤20.00. The camera optical lens can achieve good optical performance while meeting design requirements for a large aperture, a long focal length and ultra-thinness.

The present disclosure discloses a camera optical lens, which includes, from an object-side to an-image side: a first lens having a positive refractive power, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eight lens, which satisfies following conditions: 0.95≤f/TTL; −4.00≤f2/f≤−2.00; and −20.00≤(R5+R6)/(R5−R6)≤−3.00; where TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optic axis; f denotes a focal length of the camera optical lens; f2 denotes a focal length of the second 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 meeting the design requirement for large aperture, long focal length and ultra-thinness.

A camera optical lens is provided. The camera optical lens includes, from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens. The camera optical lens satisfies following conditions: 2.00≤f1/f≤4.50; and 3.00≤d9/d10≤12.00, where f denotes a focal length of the camera optical lens, f1 denotes a focal length of the first lens, d9 denotes an on-axis thickness 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 according to the present disclosure has good optical performance while meeting design requirements for large aperture, wide angle and ultra-thinning.

The present disclosure discloses a camera optical lens including eight lenses which are, 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 having a positive refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power, a seventh lens having a negative refractive power and an eight lens having a negative refractive power, which satisfies following conditions: 0.95≤f/TTL; −3.50≤f2/f≤−1.80; and 3.00≤(R9+R10)/(R9−R10)≤30.00; where f denotes a focal length of the camera optical lens. The camera optical lens can achieve good optical performance while meeting the design requirement for large aperture, long focal length and ultra-thinness (in a camera optical lens with the long focal length).

The present invention relates to a field of optical lens, and provides a camera optical lens including, 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, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, a sixth lens, a seventh lens having a negative refractive power and provided with an image-side surface as a free-form surface; and the camera optical lens satisfies conditions of: |f2/f3|≤0.07; −0.50≤f2/f4≤−0.30; 0.58≤D12/f≤0.64; and 0.35≤D23/f≤0.45. The camera optical lens provided by the present disclosure has |TV_D|<1.0%, has excellent optical performance, is of wide angle with 2ω>110°, and includes seven lenses.

The present disclosure relates to optical lens, and provides a camera optical lens including eight lenses, from an object side to an image side in sequence: 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, a fifth lens, a sixth lens having a positive refractive power, a seventh lens, and an eighth lens having a negative refractive power; wherein the camera optical lens satisfies the following conditions: 0.95≤f/TTL; −4.00≤f2/f≤−1.80; and −20.00≤(R9+R10)/(R9−R10)≤−2.50. The camera optical lens can achieve good optical performance while meeting design requirements for a long focal length and ultra-thinness.