NEWMAX TECHNOLOGY CO., LTD.

A lens module includes: a lens barrel including a annular structure, an inner annular surface surrounding the central axis and an outer annular surface opposite to and surrounding the inner annular surface, wherein the inner annular surface forms an accommodating space; an optical lens assembly and an optical filter sequentially disposed in the accommodating space from the object side to the image side; wherein the annular structure is disposed on the inner annular surface and surrounds the central axis, the annular structure includes at least two step portions and at least two bevel portions, all the step portions and the bevel portions are close to the image side, and the optical filter is disposed on the step portions; and the step portions and the bevel portions are alternately disposed along a annular path of the inner annular surface.

An optical lens assembly includes, in order from an object side to an image side: a first lens, a second lens, a third lens, and a fourth lens; wherein a distance from the object-side surface of the first lens to the image plane along the optical axis is TL, a half of a maximum field of view of the optical lens assembly is HFOV, a maximum optical effective radius of the image-side surface of the fourth lens is CA8, a maximum image height of the optical lens assembly is IMH, and the following condition is satisfied: 32.46<TL*HFOV/(CA8*IMH)<54.39.

An optical lens module includes: an operating element which includes a first lens unit, and a second lens unit; a holder arranged on the image source side of the second lens unit; an image source element disposed to the holder; an image processor electrically connected to the image source element to provide correction data of image quality; and a detection unit electrically connected to the image processor to provide a feedback signal; When the operating element is activated, the operating element drives the first lens unit or the second lens unit to move along a central axis, changing the distance between the first and second lens units on the central axis, the detection unit generates the feedback signal and transmits it to the image processor, and then the image processor provides an correction data of image quality corresponding the feedback signal to the image source element.

An optical lens assembly includes a stop, and in order from an object side to an image side, includes: a first lens with negative refractive power; a second lens with positive refractive power; wherein the optical lens assembly has a total of two lenses with refractive power, a radius of curvature of an object-side surface of the first lens is R 1 , a radius of curvature of an image-side surface of the first lens is R 2 , a radius of curvature of an image-side surface of the second lens is R 4 , and the following condition is satisfied: −1.45 mm<(R 1 /R 4 )*R 2 <−0.34 mm.

An optical lens assembly includes: a reflective polarizer, a phase retarder, and in order from a visual side to an image source side: a first lens, a second lens, a third lens, a partial-reflective-partial-transmissive element and a fourth lens. The reflective polarizer is disposed between the first lens and the second lens, and the phase retarder is disposed between the reflective polarizer and the partial-reflective-partial-transmissive element. The optical lens assembly may become lightweight and have good image quality when satisfying a specific condition.

An optical lens assembly includes a stop, and includes, in order from the object side to the image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens; wherein a maximum field of view of the optical lens assembly is FOV, an entrance pupil diameter of the optical lens assembly is EPD, and the following condition is satisfied: 254.30<FOV*EPD<418.64.

A photographing module includes a lens barrel, an optical lens assembly, an image sensor, the optical lens assembly includes, in order from the object side to the image side: a first lens with negative refractive power, a second lens with negative refractive power, a third lens with positive refractive power, a stop, a fourth lens with positive refractive power, a fifth lens with negative refractive power, a sixth lens with positive refractive power, a seventh lens with positive refractive power, wherein a distance from an object-side surface of the first lens to the image plane along an optical axis is TL, half of a diagonal length of an effective pixel area of the image sensor is IMH, an angle of a chief ray of a maximum view angle of the optical lens assembly which incident to the image plane is CRA, following condition is satisfied: 0.34°<TL/(IMH*CRA)<0.66°.

An optical lens assembly includes, in order 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; wherein an incident angle of a chief ray on an image plane at a maximum view angle of the optical lens assembly is CRA, a distance from an image-side surface of the eighth lens to the image plane along an optical axis is BFL, an absolute value of a displacement in parallel to the optical axis from an intersection between an object-side surface of the eighth lens and the optical axis to a maximum effective radius position on the object-side surface of the eighth lens is TDP15, and the following condition is satisfied: 19.04°<CRA*BFL/TDP15<74.78°.

An optical lens assembly includes a stop, and includes, in order from the object side to the image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens; wherein a distance from an object-side surface of the first lens element to the image plane along the optical axis is TL, a focal length of the system is f, a maximum field of view of the optical lens assembly is FOV, a maximum optical effective radius of the object-side surface of the first lens is CA1, and the following condition is satisfied: 702.32 <TL*(f*FOV)/CA1)<1286.23.

An optical lens assembly includes, in order from an object side to an image side: a first lens with negative refractive power; a second lens with negative refractive power; a third lens with positive refractive power; a fourth lens with positive refractive power; a fifth lens with negative refractive power; a sixth lens with positive refractive power; and a seventh lens with negative refractive power; wherein an incident angle of a chief ray on an image plane at a maximum view angle of the optical lens assembly is CRA, a maximum effective radius of an object-side surface of the first lens is CA1, a maximum effective radius of an image-side surface of the seventh lens is CA14, and the following condition is satisfied: 14.42°<CRA*CA14/CA1<23.66°.