AAC OPTICS (CHANGZHOU) CO., LTD.

Disclosed is an imaging optical lens. The imaging optical lens includes seven lenses sequentially arranged from an object-side to an image-side as follows: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The focal length of the imaging optical lens is f, the focal length of the seventh lens is f7, the field of view of the 1.0 field of view of the imaging optical lens is FOV, the full field-of-view (1.0H) image-height of the imaging optical lens is IH, the central curvature radius of the object-side surface of the sixth lens is R11, and the central curvature radius of the image-side surface of the sixth lens is R12. The following relationships are satisfied: 3.95≤f7/f≤6.00; 100.00≤(FOV*f)/IH≤120.00; 3.50≤(R11+R12)/(R11−R12)≤70.00. The imaging optical lens has excellent optical performance while meeting the design requirements of a large aperture and ultra-wide angle.

A lens is provided. The lens includes a lens tube and a plurality of lens elements received in the lens tube. A respective lens element includes an imaging section for imaging and a mounting section for assembling and arranged outside the imaging section. The plurality of lens elements includes at least one dimming lens element disposed close to an imaging plane, and a respective dimming lens element includes at least one dimming section parallel to an optical axis, wherein a vertical distance between a respective one of the at least one dimming section and the optical axis is smaller than a radius of the imaging section. In addition, a lens module and an electronic device installed with the lens are provided, which can reduce the distance between a screen opening and a frame of the electronic device.

The present disclosure provides an optical waveguide lens, a head-up display system, and a vehicle. The optical waveguide lens includes: a lens body including a first surface and a second surface opposite to each other in a first direction, a grating structure arranged on the lens body and including an incidence grating and an outgoing grating, and a reflective layer arranged on the lens body and on the first surface. The incidence grating is arranged on the first surface, and the outgoing grating is arranged on the second surface. The reflective layer aligns with the outgoing grating in the first direction. The reflective layer can reduce the risk of light leaving the lens body from portions without grating, thereby increasing the intensity of outputting light of the optical waveguide lens, and improving the imaging effect of the head-up display system and the interaction experience between the user and the vehicle.

An optical lens includes a lens body, a first intermediate layer, a second intermediate layer, a first antireflection film layer and a second antireflection film layer. The second intermediate layer has a smaller refractive index than the first intermediate layer. The second antireflection film layer has a smaller equivalent refractive index than the first antireflection film layer. A material of the first intermediate layer includes aluminum oxide, and/or a material of the second intermediate layer includes silicon-aluminum mixture or silicon dioxide. The first antireflection film layer and the second antireflection film layer include silica spherical particles, and a diameter of silica spherical particles in the first antireflection film layer is greater than a diameter of silica spherical particles in the second antireflection film layer. The present disclosure can improve the real-shot fogging and surface shape changes under high temperature and high humidity conditions, while maintaining ultra-low reflectivity.

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 positive refractive power; a second lens having a negative 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 negative refractive power; wherein the camera lens satisfies the following conditions: 2.00≤f3/f≤6.00; −2.00≤f5/f6≤−0.79; −5.00≤R7/R8≤−1.00; −0.90≤R9/R10≤−0.20; 0.25≤d2/d3≤1.00. The camera optical lens has good optical performance, and can meet the design requirements for large aperture, wide-angle and ultra-thin.

The present disclosure discloses an optical imaging system including twelve lenses, sequentially from the object side to the image side. The optical imaging system satisfies following conditions satisfying: −40.00≤f9/d17≤−5.00; 2.00≤d23/d22≤18.00; −6.51≤f12′/f34≤−1.00; 4.00≤IH*f/TTL≤15.00, where f9 denotes a focal length of the ninth lens; d17 denotes an on-axis thickness of the ninth lens; d23 denotes an on-axis thickness of the twelfth lens; d22 denotes an on-axis distance from the image-side surface of the eleventh lens to the object-side surface of the twelfth lens; f12′ denotes a combined focal length of the first lens and the second lens; f34 denotes a combined focal length of the third lens and the fourth lens; f, IH, TTL respectively denotes a focal length, an image height and a total optical length of the optical imaging system.

The present application relates to the field of optical lenses, and in particular, relates to a microscope objective lens suitable for use in a device such as a microscope. The microscope objective lens includes in order from an emitting side to an objective side: a first lens having a positive 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: −5.00≤R 11 /R 12 ≤−1.50; 0.40≤WD/TTL≤0.60; 1.00≤R 1 /((n 1 −1)*f)≤4.00; 2.00≤d 5 /d 4 ≤6.00. The microscope objective lens of the present application lens has excellent optical performance, low distortion, and a long working distance, which is particularly suitable for optical microscope.

The present disclosure discloses an optical imaging system satisfying: 0.38≤f10-12/f≤0.90, −21.70≤f7-8/(d13+d15)≤−1.00, 2.00≤d17/d18≤10.00, and 1.00≤ (d1+d3)/d23′≤5.00, where f denotes a focal length of the optical imaging system; f10-12 denotes a combined focal length of the tenth lens, the eleventh lens and the twelfth lens; f7-8 denotes a combined focal length of the seventh lens and the eighth lens; d1 and d3 denotes an on-axis thickness of the first and second lens; d23′ denotes an on-axis distance from the second lens to the third lens; d13, d15 and d17 denotes an on-axis thickness of the seventh, eighth, and ninth lens; and d18 denotes an on-axis distance from the ninth lens to the tenth lens. The optical imaging system of the present disclosure has good optical performance, variable aperture and low distortion, and can change the depth of field during measurement.

The present application relates to the field of optical lenses and discloses a microscope objective lens. The microscope objective lens includes in order from the emitting side to the objective 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, a ninth lens, a tenth lens, an eleventh lens, and a twelfth lens, and the following relationship expressions are satisfied: 1.50≤NA*f≤3.00; 0.15≤d4/TTL≤0.25; 5.00≤f12/f≤15.00; −7.00≤(R23+R24)/(R23−R24)≤−1.50. The microscope objective lens of the present application is capable of being used as a lens of the microscope with good optical performance, a large numerical aperture, and a wide working band with a magnification of 50 times.

The present disclosure discloses a camera optical lens including seven lenes. From an object-side to an-image side, the camera optical lens includes: a first lens having a negative 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 positive refractive power; a sixth lens having a negative refractive power; a seventh lens having a positive refractive power; wherein the camera lens satisfies the following conditions: −1.30≤f1/f≤1.00; 0.02≤d4/TTL≤0.06; n2≥1.70; 0.10≤BFL/TTL≤0.30. The camera optical lens can meet design requirements of large aperture and wide angle.