31results about How to "Few pieces" patented technology

The invention discloses an optical lens, a camera module and electronic equipment. The optical lens comprises a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element which are sequentially arranged from an object side to an image side along an optical axis. The first lens element with positive refractive power has a convex object-side surface and a concave image-side surface, respectively. The second lens element with negative refractive power has a convex object-side surface and a concave image-side surface, respectively. The sixth lens element with negative refractive power has a concave image-side surface. The optical lens satisfies the following relation: 1.3 mm < Imh^2 / TTL / Fno < 1.42 mm, wherein TTL is the distance from the object-side surface of the first lens to the imaging surface of the optical lens on the optical axis, Imgh is half of the length of a diagonal line of an effective pixel area on the imaging surface of the optical lens, and Fno is the number of apertures of the optical lens. According to the optical lens, the camera module and the electronic equipment provided by the invention, the picture quality of the optical lens can be improved while the optical lens is designed to be light, thin and miniaturized, and the resolution and the imaging definition of the optical lens are improved.

The embodiment of the invention discloses a depth imaging optical system, which is provided with a first lens, a second lens and a third lens sequentially from an object plane to an image plane along an optical axis, wherein the object plane side of the first lens is a convex plane, the image plane side is a concave plane, and the focal power is negative; the object plane side of the second lens is a convex plane, the image plane side is a convex plane, and the focal power is positive; the object plane side of the third lens is a convex plane, the image plane side is a convex plane, and the focal power is positive; and the first lens and the third lens are aspheric lenses. On the other hand, the embodiment of the invention also provides a lens. The depth imaging optical system is mainly composed of three lenses, the number of the lenses is small, and the structure is simple; different lenses are adopted for mutual combination, the first lens and the third lens are aspheric lenses, and optical performance of large aperture, large view angle, low distortion, good athermalization and the like are realized.

An embodiment of the invention discloses a high-resolution wide-angle infrared optical system which, from the object plane to the image plane along the optimal axis, sequentially comprises: a first lens, a second lens, a third lens, a fourth lens and a fifth lens, wherein the image plane side of the first lens is a concave surface with negative focal power; the object plane side of the second lensis a convex surface while the image plane side is a concave surface with positive focal power; the image plane side of the third lens is a convex surface with positive focal power; the object plane side of the fourth lens is a concave surface while the image plane side is a convex surface with positive focal power; the object plane side of the fifth lens is a convex surface while the image planeside is a concave surface with positive focal power. Furthermore, the embodiment of the invention also provides a camera module. The optical system and camera module provided by the embodiment of theinvention are mainly composed of just five lenses, and thus the structure is simple; through combination of different lenses and reasonable distribution of focal power, the high-resolution wide-angleinfrared optical system has good performance such as large aperture, large view angle, high resolution and perfect athermalization.

The invention discloses an optical lens, a camera module, electronic equipment and an automobile. The optical lens comprises 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 which are sequentially arranged from an object side to an image side along an optical axis, wherein the first lens has negative refractive power; the second lens has negative refractive power; the third lens has positive refractive power; the fourth lens has negative refractive power; the fifth lens has positive refractive power, the sixth lens has positive refractive power, the seventh lens has negative refractive power, and the eighth lens has positive refractive power; the optical lens meets the following relation: -6 < f1 / f <-4, f1 is the focal length of the first lens, and f is the effective focal length of the optical lens. According to the optical lens, the camera module, the electronic equipment and the automobile provided by the invention, light rays emitted into the optical lens at a large angle can be grasped while the light, thin and small-sized design is met, the super-large-angle shooting requirement can be met, and high-pixel imaging can be realized.

An embodiment of the invention discloses a low-distortion wide-angle optical system which sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lensfrom an object surface to an image surface along an optical axis. An object surface side of the first lens is a convex surface, an image surface side of the first lens is a concave surface, and the first lens has positive power. An object surface side of the second lens is a convex surface, an image surface side of the second lens is a concave surface, and the second lens has negative power. An object surface side of the third lens is a convex surface, an image surface side of the third lens is a concave surface, and the third lens has positive power. An object surface side of the fourth lensis a convex surface, an image surface side of the fourth lens is a convex surface, and the fourth lens has positive power. An object surface side of the fifth lens is a concave surface, an image surface side of the fifth lens is a plane, and the fifth lens has negative power. An object surface side of the sixth lens is a convex surface, an image surface side of the sixth lens is a convex surface,and the sixth lens has negative power. The system mainly comprises six lenses, the number of the lenses is small, the system is simple in structure, integrally miniaturized and applicable to the field of aerial photo monitoring and the like, and has good optical properties such as wide angles, high pixels and low distortion by mutually combining different lenses.

The embodiment of the invention discloses a high-definition monitoring optical system which is provided with a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are arranged from an object plane to an image plane in turn along an optical axis. The fourth lens and the fifth lens are mutually glued to form a combined lens and meet the condition that the result of 1 / f2 and 1 / f45 is approximately equal to 0, wherein f2 is the focal length of the second lens, and f45 is the focal length after combination of the fourth lens and the fifth lens. Besides, the embodiment of the invention also provides an image photographing module group. The high-definition monitoring optical system is mainly composed of five lenses so that the number of the lenses is less and the structure is simple; and different lenses are mutually combined and focal power is enabled to be reasonably allocated, and the fourth lens and the fifth lens form the glued lens so that the high-definition monitoring optical system is enabled to have the optical performance of high pixel, large aperture, low total length, great resolution and excellent temperature performance and the system is suitable for the field of vehicle-mounted reversing rear view monitoring.

The invention discloses a projection objective lens of a photoetching machine, which at least comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventhlens and an eighth lens in sequence from an object plane to an image plane along an optical axis, wherein the object plane side of the first lens is a plane, the image plane side is a convex plane, and the focal power is positive; the object plane side of the second lens is a convex plane, the image plane side is a plane, and the focal power is positive; the object plane side of the third lens isa convex plane, the image plane side is a convex plane, and the focal power is positive; the object plane side of the fourth lens is a plane, the image plane side is a concave plane, and the focal power is negative; the object plane side of the fifth lens is a plane, the image plane side is a convex plane, and the focal power is positive; the object plane side of the sixth lens is a concave plane,the image plane side is a concave plane, and the focal power is negative; the object plane side of the seventh lens is a concave plane, the image plane side is a convex plane, and the focal power ispositive; and the object plane side of the eighth lens is a convex plane, the image plane side is a plane, the focal power is positive. The structure is simple and precision is high.

A precast assembled superposed reinforced concrete bridge pier structure includes precast reinforced concrete pier pieces, steel frame, cast-in-place core concrete, The precast reinforced concrete bridge pier piece is a pre-cast reinforced concrete thin-wall sheet material of ultra-high performance concrete whose compressive strength is greater than 100MPa, A plurality of precast reinforced concrete pier pieces are arranged along the circumferential outer edge of the pier section to overlap each other, The overlap of two precast reinforced concrete bridge pier pieces is poured into the post-pouring laminated area, and the concrete wraps and pre-embedded connecting bars are connected with two adjacent precast reinforced concrete bridge pier pieces, so that hollow pier hollow columns are integrally formed in the circumferential direction, and cast-in-situ core concrete is filled into the inner cavity of the hollow pier columns and formed into an integral whole with the hollow pier columns. The invention is a composite bridge pier structure, adopts the technology of combining precasting and cast-in-situ, ensures the integrity of the reinforced concrete precast bridge pier, and has theadvantages of high on-site mechanization degree, short construction period and good integrity.

The embodiment of the invention discloses a large-aperture high-pixel camera module group, and the module group at least comprises a lens, a pedestal, and a light sensing device. The interior of the lens is provided with an optical system, and the optical system is sequentially provided with a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from the object space to the image space. The object plane of the first lens is a convex surface, and the image plane of the first lens is a concave surface. The object plane of the second lens is a convex surface, andthe image plane of the second lens is a concave surface. The object plane of the third lens is a convex surface, and the image plane of the third lens is a concave surface. The fourth lens is a biconvex lens. The fifth lens is a biconvex lens. The object plane of the sixth lens is a concave surface, and the image plane of the sixth lens is a convex surface. The fifth lens and the sixth lens form acombined lens, and meet a condition: TTL / EFL<=4.5. According to the invention, a lens cone mainly consists of the six lenses, and the number of lenses is small, and the structure is simple. The module group employs the combination of different lenses, and the fourth and fifth lenses are bonding lenses. The module group is large in aperture, is high in pixel, is low in distortion, and is good in athermalization.

The embodiment of the invention discloses a large-aperture optical system. The large-aperture optical system sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens along the optical axis from the object surface to the image surface; the object surface side of the first lens is a convex surface, the image surface side of the first lens is a concave surface, and the focal power of the first lens is negative; the object surface side of the second lens is a convex surface, the image surface side of the second lens is a concave surface, and the focal power of the second lens is negative; the object surface side of the third lens is a concave surface, the image surface side of the third lens is a convex surface, and the focal power of the third lens is positive; the fourth lens is a biconvex lens, and the focal power of the fourth lens is positive; the focal power of the fifth lens is negative; and the sixth lens is a biconvex lens, andthe focal power of the sixth lens is positive. On the other hand, the embodiment of the invention further provides a camera shooting module. The large-aperture optical system is mainly composed of the six lenses, the number of lenses is small, the structure is simple, and the cost is low; and the different lenses are mutually combined, the focal power is reasonably distributed, optical performance such as the large aperture, high pixel, low distortion and good athermalization is achieved, and the large-aperture optical system and the camera shooting module are suitable for the vehicle-mountedfield.

The embodiment of the invention discloses an ultra-wide angle high-pixel fisheye optical system. As shown in the graph 1, the system comprises from an object surface to an image surface along an optical axis in order: 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. Besides, the embodiment of the invention further provides a camera module. The camera module is mainly formed by 8 lenses, and is few in the number of the lenses and simple in structure; and moreover, mutual combination of different lenses and reasonable distribution of focal power are performed to allow the ultra-wide angle high-pixel fisheye optical system and the camera module to have good optical performances such as a 200-degree ultra-wide angle and more than 20 million high pixels, and are suitable for a professional panorama VR camera and a mirrorless camera.

The embodiment of the invention discloses a low-distortion optical system which at least successively comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object surface to an image surface along an optical axis. On the other hand, the embodiment of the invention further provides a lens. The low-distortion optical system disclosed by the embodiment of the invention is mainly composed of the six lenses, the number of lenses is small, the structure is simple, and the volume is small; and different lenses are adopted and mutually combined, and the low-distortion optical system has good optical properties such as large viewing angle, low distortion and high resolution.

An embodiment of the present invention discloses a large-aperture wide-angle optical system. The optical system comprises the following parts from an object plane to an image plane along an optical axis: a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. In addition, an embodiment of the present invention further provides a camera module. The large-aperture wide-angle optical system mainly comprises six lenses, so that the optical system has a small quantity of lenses, a simple structure, and low costs; and the diaphragm is between the firstlens and the second lens, which helps to shorten a front end aperture, so that an overall shape is moderate. In addition, the diaphragm is disposed near the front, different lenses are combined with each other, and a focal power is reasonably assigned, so that the optical system has optical performance such as being large in bore diameter, high in resolution, large in aperture, and good in athermalization, and is suitable for the automotive lens field.

The embodiment of the invention discloses a wide-angle day and night confocal type athermalization optical system, which comprises 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 in sequence from an object surface to an image surface along an optical axis, wherein the object surface side of the first lens and the object surface side of the second lens are both convex surfaces, the image surface side of the first lens and the image surface side of the second lens are bot concave surfaces, and the focal power of the first lens and the focal power of the second lens are negative; the object surface side of the third lens is a concave surface, the image surface side of the third lens is a convex surface, and the focal power of the third lens is negative; the object surface side of the fourth lens, the object surface side of the fifth lens and the object surface side of the sixth lens are all convex surfaces, the imagesurface side of the fourth lens, the image surface side of the fifth lens and the image surface side of the sixth lens are all convex surfaces, and the focal power of the fourth lens, the focal powerof the fifth lens and the focal power of the sixth lens are negative; the seventh lens is a biconcave lens of which the focal power is negative; and the eighth lens is a biconvex lens of which the focal power is positive. In addition, the embodiment of the invention also provides a camera shooting module. The optical system and the camera shooting module of the invention mainly consist of eight lens, so that the amount of lenses is small, the structure is simple, and therefore, the invention is suitable for the field of police law enforcement instruments and intelligent monitoring.

The embodiment of the invention discloses a high-pixel ultra-wide angle optical system which is provided with a first lens, a second lens, a third lens, a fourth lens and a fifth lens in sequence from an object surface to an image surface along the optical axis, wherein for the first lens and the second lens, the object surface sides are convex surfaces, the image surface sides are concave surfaces, and the focal power is negative; for the third lens and the fourth lens, the object surface sides are convex surfaces, the image surface sides are concave surfaces, and the focal power is positive; for the fifth lens, the object surface side is a concave surface, the image surface side is a convex surface, and the focal power is negative; the fourth lens and the fifth lens are glued with each other to form a combined lens; the focal length f45 of the combined lens meets the following conditions: f45 is greater than 2 and less than 10, and TTL / EFL is less than or equal to 16.5. On the other hand, the embodiment of the invention further provides a camera module. The high-pixel ultra-wide angle optical system disclosed by the embodiment of the invention consists of the five lenses; as the number of lenses is small, the system is simple in structure; the total optical length is short, and the size is small; the high-pixel ultra-wide angle optical system has good performances of large aperture, large visual angle, high pixel, extremely high athermalization and the like.

The embodiment of the invention discloses an infrared confocal in-vehicle monitoring optical system. The infrared confocal in-vehicle monitoring optical system sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object plane to an image plane along an optical axis, the object plane side of the first lens is a convex surface, the image plane side is a concave surface, and the focal power is negative; the object plane side of the second lens is a convex surface, and the focal power is positive; the image surface side of the thirdlens is a concave surface, and the focal power is negative; the fourth lens and the fifth lens are biconvex lenses, and the focal power of the fourth lens and the fifth lens is positive; the object plane side of the sixth lens is a concave surface, the image plane side is a convex surface, and the focal power is negative. On the other hand, the embodiment of the invention further provides a camera module. The optical system or the camera shooting module is mainly composed of six lenses, the number of the lenses is small, the structure is simple, and the cost is low; meanwhile, different lenses are mutually combined, the focal power is reasonably distributed, and the lens has the optical properties of infrared confocal property, high pixel, good thermal compensation and the like and is suitable for the field of vehicle-mounted lenses.

The invention discloses an optical lens, a camera module, electronic equipment and an automobile. The optical lens comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are sequentially arranged from an object side to an image side along an optical axis; the first lens has negative refractive power, the object side surface of the first lens is a plane, and the image side surface of the first lens is a concave surface; the second lens has positive refractive power, and the object side surface of the second lens is a convex surface; the third lens has refractive power, the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; the fourth lens has negative refractive power, the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; and the fifth lens element with positive refractive power has a convex object-side surface and a convex image-side surface. According to the optical lens, the camera module, the electronic equipment and the automobile provided by the invention, the resolution and the imaging definition of the optical lens can be improved while the light, thin and miniaturized design is met, and the high-definition imaging requirement of people on the optical lens is met.

The embodiment of the invention discloses a vehicle-mounted forward-looking optical system. The system sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, asixth lens and a seventh lens from an object plane to an image plane along an optical axis; the object plane side of the first lens is a convex surface, the image plane side is a concave surface, andthe focal power is negative; the second lens is a biconcave lens, and the focal power of the second lens is negative; the third lens and the fifth lens are biconvex lenses, and the focal power of thethird lens and the fifth lens is positive; the object plane sides of the fourth lens and the seventh lens are convex surfaces, and the focal power is positive; the object plane side of the sixth lensis a concave surface, and the focal power of the sixth lens is negative. On the other hand, the embodiment of the invention further provides a camera module. The optical system or the camera module ismainly composed of seven lenses. The number of the lenses is small, the structure is simple, the cost is low, and the overall appearance of the optical system or the camera module is moderate. Meanwhile, the optical system or the camera module has the optical performances of large aperture, high pixel, large aperture, good athermalization and the like, and is suitable for the field of vehicle-mounted lenses.

The embodiments of the invention disclose a large-aperture optical system. The large-aperture optical system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens which are sequentially distributed from an object plane to an image plane along an optical axis; the image plane side of the first lens is a concave surface; the focal power of the first lens is negative; the object plane side of the second lens is a convex surface, the image plane side of the second lens is a concave surface, and the focal power of the second lens is negative; the object plane side of the third lens is a convex surface, the image plane side of the third lens is concave surface, and the focal power of the third lens is positive; the object plane side of the fourth lensis a convex surface, the image plane side of the fourth lens is a convex surface, and the focal power of the fourth lens is positive; the object plane side of the fifth lens is a concave surface, theimage plane side of the fifth lens is a convex surface, and the focal power of the fifth lens is negative; and the object plane side of the sixth lens is a convex surface, and the focal power of the sixth lens is positive. The embodiments of the present invention further provide an image pickup module set. The optical system and the image pickup module set of the embodiments of the invention eachare mainly composed of 6 lenses; and since the number of the lenses is small, and the structures of the optical system and the image pickup module set are both simple. The different lenses are combined with one another, and focal power is properly distributed, and therefore, the optical system and the image pickup module set have good performance such as large aperture, large viewing angle and high pixel, and are suitable for the vehicle-mounted imaging field.

The embodiment of the invention discloses a low-cost wide-angle high-definition optical system, which at least comprises a first lens, a second lens, a third lens, and a fourth lens in order from the object plane to the image plane along the optical axis, wherein the object plane side of the first lens is a plane, the image plane side of the first lens is a concave surface, and the focal power is negative; the object plane side of the second lens is a convex surface, the image plane side of the second lens is a convex surface, and the focal power is positive; the object plane side of the third lens is a plane, the image plane side of the third lens is a convex surface, and the focal power is positive; the object plane side of the fourth lens is a concave surface, the image plane side of the fourth lens is a convex surface, and the focal power is negative. The embodiment of the invention also provides a lens. The low-cost wide-angle high-definition optical system provided by the embodiment of the invention is applied to smart home and other occasions requiring day and night monitoring, and mainly comprises four lenses, the number of lenses is few, the structure is simple, and the cost is greatly reduced compared with the same specification of product. The optical system has good optical properties such as wide angle, large aperture and day and night confocus, a good temperature imaging effect, and an excellent 2M pixel resolution property.

A high-pixel ultra-wide angle optical system, comprising a first lens (1), a second lens (2), a third lens (3), a fourth lens (4), and a fifth lens (5) in sequence from an object surface to an image surface along the optical axis; for the first lens and the second lens, the object surfaces are convex surfaces, the image surfaces are concave surfaces, and the focal power is negative; for the third lens and the fourth lens, the object surfaces are convex surfaces, the image surfaces are concave surfaces, and the focal power is positive; for the fifth lens, the object surface is a concave surface, the image surface is a convex surface, and the focal power is negative; the fourth lens and the fifth lens are glued to each other to form a combined lens; the focal length f45 of the combined lens meets the following conditions: 2<f45<10, and TTL / EFL≤16.5. On the other hand, also provided is a camera module. The high-pixel ultra-wide angle optical system consists of five lenses. Since there are a few lenses, the system is simple in structure, short in total optical length, and small in size, and has good performances of large aperture, large visual angle, high pixel, extremely high athermalization and the like.

The invention discloses an optical lens, a camera module and electronic equipment. The optical lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from an object side to an image side along an optical axis; the object side surface and the image side surface of the first lens are a plane and a concave surface respectively; the image side surface of the second lens is a concave surface; the object side surface and the image side surface of the third lens are convex surfaces; the object side surface and the image side surface of the fourth lens are concave surfaces; the object side surface and the image side surface of the fifth lens are convex surfaces, and the object side surface of the sixth lens is a convex surface; the optical lens meets the following relation: 3.5 < f45 / f < 10, f45 is the combined focal length of the fourth lens and the fifth lens, and f is the effective focal length of the optical lens. According to the optical lens, the camera module and the electronic equipment provided by the invention, light rays emitted into the optical lens at a large angle can be grasped while the light, thin and miniaturized design is met, the shooting requirement of a large field angle can be met, and clear imaging can be realized.

The embodiment of the invention discloses an anti-fatigue-driving vehicle-mounted monitoring optical system. The anti-fatigue-driving vehicle-mounted monitoring optical system includes, in order froman object plane to an image plane along the optical axis, a first lens, a second lens, a third lens, and a fourth lens; an object side of the first lens is a convex surface, an image side of the firstlens is a concave surface, and the refractive power of the first lens is negative; an object side of the second lens is a convex surface, an image side of the second lens is a concave surface, and the refractive power of the second lens is positive; an object side of the third lens is a convex surface, an image side of the third lens is a convex surface, and the refractive power of the third lensis positive; and an object side of the fourth lens is a concave surface, an image side of the fourth lens is a convex surface, and the refractive power of the fourth lens is positive. On the other hand, the embodiment of the invention further provides a camera module. The optical system and the camera module of the embodiment of the invention are mainly composed of four lenses, the number of lenses is small, the structure is simple, the size is small, the weight is light, and the cost is low; the different lenses are combined with each other and the refractive power is reasonably distributed;and the anti-fatigue-driving vehicle-mounted monitoring optical system has good optical performance and can match a small anti-fatigue-driving vehicle-mounted monitoring system.

The ultra-wide-angle global fisheye optical system relates to the field of optical systems, and overcomes the problems of the existing fisheye optical system with a large number of lenses, a complex structure, and an aspheric design. Along the optical axis from the object plane to the image plane, there are: the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens; The surface side is convex, the image side is concave, and its power is negative; the fourth lens and the fifth lens are biconvex lenses, and their power is positive; the object side of the sixth lens is concave , the image side is convex, and its focal power is negative; the present invention is mainly composed of six spherical lenses, the number of lenses is small, the structure is simple, and the volume is miniaturized; different lenses are combined with each other and the focal power is allocated reasonably, with 190 0 Optical properties such as ultra-wide angle, low distortion and high transmission, suitable for 360 0 No dead angle security monitoring and unmanned driving and other fields.

The embodiment of the invention discloses a fisheye monitoring optical system which at least comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are arranged from an object plane to an image plane in turn along an optical axis. The object plane side of the first lens is a convex plane, the image plane side is a concave plane, and the focal power is negative. The object plane side of the second lens is a convex plane, the image plane side is a concave plane, and the focal power is negative. The object plane side of the third lens is a convex plane, the image plane side is a concave plane, and the focal power is positive. The object plane side of the fourth lens is a convex plane, the mage plane side is a convex plane, and the focal power is positive. The object plane side of the fifth lens is a convex plane, the image plane side is a concave plane, and the focal power is positive. Besides, the embodiment of the invention also discloses a lens. The fisheye monitoring optical system can be applied to automobile vehicle-mounted monitoring and is mainly composed of five lenses so that the number of the lenses is less and the structure is simple; and different lenses are combined with each other so that the fisheye monitoring optical system has great properties of high performance, large aperture, large angle of visual field, short overall length and excellent temperature performance.

The embodiment of the present invention discloses a high-definition wide-angle optical system, which is sequentially arranged along the optical axis from the object plane to the image plane: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens; Among them, the fifth lens and the sixth lens are cemented together to form a combined lens, and satisfy TTL / f≤7.5, where TTL is the distance from the apex of the first lens on the object side of the optical system to the imaging surface, and f is the distance of the entire optical system focal length. On the other hand, the embodiment of the present invention also provides a camera module. The embodiment of the present invention is mainly composed of six lenses, the number of lenses is small, and the structure is simple; the combination of different lenses makes the distribution of optical power reasonable, and the fifth lens and the sixth lens are cemented lenses, so that the present invention has a large aperture , high pixel, low distortion and good heat dissipation and other optical properties.

The embodiment of the present invention discloses a depth imaging optical system, which is sequentially provided with a first lens, a second lens, and a third lens along the optical axis from the object surface to the image surface; the object surface side of the first lens is a convex surface, and the image The surface side is concave, and its optical power is negative; the object side of the second lens is convex, and the image side is convex, and its optical power is positive; the object side of the third lens is convex, and the image side is convex. , its optical power is positive; wherein, the first lens and the third lens are aspherical lenses. On the other hand, an embodiment of the present invention further provides a lens. In the embodiment of the present invention, it is mainly composed of three lenses, the number of lenses is small, and the structure is simple; different lenses are combined with each other, and the first lens and the third lens are aspherical lenses, which have large aperture, large viewing angle, low distortion and good performance. Optical properties such as thermal dissipation.