AAC Optics (Suzhou) Co., Ltd.

Disclosed is a camera optical lens. The camera optical lens includes 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; a sixth lens having a positive refractive power. The camera optical lens further satisfies the following conditions: 0.60≤f3/f≤1.20; −0.90≤(R3+R4)/(R3−R4)≤−0.10; 0.10≤d2/TTL≤0.20; 1.00≤f6/f≤5.00. The camera optical lens has good optical performance.

The lens loosening test device includes a frame, a testing module, and a testing picture card. The testing module includes a base, a rotating drive component, a rotating bracket connected to and driven by the rotating drive component, a knocking component fixed to the rotating bracket, an imaging component, and a fixing component. The fixing component is configured to fix the lens to be tested to enable the lens to be tested to be arranged at top of the imaging component, the knocking component is configured to knock the lens to be tested, and the imaging component is configured to capture an image of the testing picture card by the lens to be tested and determine whether the lens to be tested is loose or not based on the image. The present application can accurately detect whether the lens is loose or not.

The present application relates to the field of optical lenses and discloses a camera optical lens, including, in order from an objective side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The following relationship expressions are satisfied: 1.70≤n1≤2.20; 0.80≤f5/f≤1.40; 0.70≤d3/d5≤2.80. The present application provides a wide-angle optical camera lens with a large aperture having excellent optical performance.

A camera optical lens includes from object side to image side: first lens, second lens, third lens, fourth lens, fifth lens, sixth lens and seventh lens. Central curvature radius of object-side surface of fourth lens is R7, central curvature radius of image-side surface of fourth lens is R8, a field of view of camera optical lens is FOV, f-number of camera optical lens is FNO, total optical length from object-side surface of first lens to image plane of camera optical lens along optic axis is TTL, on-axis thickness of second lens is d3, focal length of sixth lens is f6, focal length of seventh lens is f7, and following relational expressions are satisfied: 1.00≤R7/R8≤3.00; 80.00≤FOV/FNO≤120.00; 10.00≤TTL/d3≤20.00; −4.00≤f6/f7≤−1.00. The camera optical lens has good optical performance such as large aperture and wide-angle.

Provided is a camera optical lens, including first lens having negative refractive power, second lens having positive refractive power, third lens having positive refractive power, and fourth lens having negative refractive power, focal length of the camera optical lens is f, focal length of the first lens is f1, combined focal length of the third and fourth lenses is f34, on-axis thickness of the first lens is d1, on-axis distance between the first and second lenses is d2, total optical length of the camera optical lens is TTL, abbe number of the first lens is v1, following relational expressions are satisfied: −30.00≤f1/d1≤−8.00; 2.00≤TTL/f≤3.00; −2.30≤f34/f<−1.30; 58.00≤v1≤82.00; 0.25≤d2/TTL≤0.45. The camera optical lens has good optical performance, and is particularly suitable for mobile phone camera lens assembly, vehicle-mounted lens and WEB camera lens.

The present application relates to the field of optical lenses and discloses an optical camera lens including, in order from an objective side to an image side: a first lens having a negative refractive force, a second lens having a negative refractive force, a third lens having a positive refractive force, a fourth lens having a positive refractive force, a fifth lens having a negative refractive force, and a sixth lens having a positive refractive force. The following relationship expressions are satisfied: 1.70≤n1≤2.20; −2.30≤f2/f≤−1.60; −1.80≤R11/R12≤−0.50; 0.10≤f3/f4≤0.50; 8.00≤d5/d6≤30.00. The optical camera lens provided by the present application has excellent optical performance while satisfying the design requirements of large aperture and ultra-wide angle.

The present disclosure 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 negative refractive power, a second lens having positive refractive power, a third lens having positive refractive power, a fourth lens having negative refractive power, a fifth lens having negative refractive power, a sixth lens having positive refractive power and a seventh lens having negative refractive power; wherein the camera optical lens satisfies conditions of: −55.00≤R1/d1≤−18.00; 1.42≤f2/f≤1.96; and 2.70≤f4/f1≤10.10. By adjusting the conditions, the camera lens has a suitable field angle for front lens and excellent optical performance.

The present invention discloses 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 having a negative refractive power, a third lens having a negative refractive power, a fourth lens having refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power. The camera optical lens satisfies the following conditions: 0.35≤f1/f≤0.70, R3/R4≤−1.50, R5/R6≤−5.00, and 1.20≤d8/d9≤6.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, long focal length, and miniaturized.

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; a sixth lens; and a seventh lens, the camera optical lens satisfies following conditions: 1.30≤f7/f≤4.00; 1.70≤n1; 2.00≤f34/f≤7.00; and 120.00≤(FOV×f)/IH, where f denotes a focal length of the camera optical lens; f7 denotes a focal length of the seventh lens; f34 denotes a combined focal length of the third lens and the fourth lens; n1 denotes a refractive index of the first lens; FOV denotes a field of view of the camera optical lens; and IH denotes an image height of the camera optical lens. The camera optical lens has good optical performance such as large aperture, ultra-thinness and wide angle while ensuring miniaturization, small chromatic aberration, small lateral color, and high resolution up to 5M.

The present invention discloses 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, 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: 100.00° FOV 135.00°, −3.20 f1/f −1.00, and 2.30 R15/R16 5.00. FOV denotes a field of view of the camera optical lens in a diagonal direction. F denotes a focal length of the camera optical lens. f1 denotes a focal length of the first lens. R15 denotes a central curvature radius of an object side surface of the eighth lens. R16 denotes a central curvature radius of an image side surface of the eighth lens. The camera optical lens according to the present invention has a wide-angle effect.