CN114077042B - Television lens group, television lens and electronic equipment - Google Patents
Television lens group, television lens and electronic equipment Download PDFInfo
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- CN114077042B CN114077042B CN202010808823.2A CN202010808823A CN114077042B CN 114077042 B CN114077042 B CN 114077042B CN 202010808823 A CN202010808823 A CN 202010808823A CN 114077042 B CN114077042 B CN 114077042B
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- 230000003287 optical effect Effects 0.000 claims abstract description 79
- 239000000758 substrate Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 13
- 230000004075 alteration Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The invention provides a television lens group, a television lens and electronic equipment, wherein the television lens group comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction. The television lens group comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction, wherein the object side of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; meanwhile, the television lens meets the following relational expression ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6,, so that the field angle of the television lens set reaches 103-135 degrees, and a television lens set with a large field angle is provided.
Description
Technical Field
The present invention relates to the field of optical lenses, and in particular, to a television lens assembly, a television lens, and an electronic device.
Background
With the popularity of consumer electronics, many appliances in real life require television shots. For example, in a home electronic message board, a mobile phone, a television set and a monitoring television camera, a television lens is arranged to view, shoot and record a specific area.
However, the conventional television lens has a view angle of only about 74 degrees, and the shooting scene is not comprehensive for places with large areas, so that the view angle is limited.
Disclosure of Invention
The invention aims to provide a television lens group, a television lens and electronic equipment, so as to solve the problem of small field angle of the existing television lens.
The invention provides a television lens group, which comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter, wherein the first lens, the diaphragm, the second lens, the third lens, the fourth lens, the fifth lens and the infrared filter are sequentially arranged from an object side to an image side along the optical axis direction, and the object side of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; the television lens satisfies the following relation ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6;
Wherein CT is the sum of thicknesses of the first lens element to the fifth lens element on the optical axis, TTL is the distance between the object side surface of the first lens element and the image side surface, IH is half of the diagonal length of the effective pixel region of the electronic photosensitive element, f 'is the focal length of the television lens, and the focal lengths of the first lens element to the fifth lens element are f1', f2', f3', f4', and f5', respectively.
Further, the television lens group also satisfies the following relation: 0.4< (R3+R4)/(R3-R4) <1, wherein R3 is the radius of curvature of the object-side surface of the second lens element and R4 is the radius of curvature of the image-side surface of the second lens element.
Further, the television lens group also satisfies the following relation: R1/R2>1.0, wherein R1 is the radius of curvature of the object-side surface of the first lens element and R2 is the radius of curvature of the image-side surface of the first lens element.
Further, the television lens group also satisfies the following relation: 0.5< f'/IH <1.0.
Further, the television lens group also satisfies the following relation: 0<f'/R1<2, wherein R1 is the radius of curvature of the object side of the first lens.
Further, the television lens group also satisfies the following relation: 1<f '/f1' <0.
Further, the television lens group also satisfies the following relation: 0<f '/f2' <2.
Further, the television lens group also satisfies the following relation: 0<f '/f345' <0.5, wherein f345' is a combined focal length of the third lens, the fourth lens and the fifth lens.
The invention also provides a television lens, which comprises the television lens group, a lens cone, a base body component, an image sensing element and a substrate, wherein the television lens group is accommodated in the lens cone, the base body component abuts against the outer side of the lens cone, and the image sensing element is arranged on the substrate.
The invention also provides electronic equipment, which comprises the television lens and a shell, wherein the television lens is accommodated in the shell.
The television lens group provided by the invention comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction, wherein the object side of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; meanwhile, the television lens meets the following relational expression ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6,, so that the field angle of the television lens set reaches 103-135 degrees, and a television lens set with a large field angle is provided.
Drawings
Fig. 1 is a cross-sectional view of a television lens assembly according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of optical data of each lens in the television lens group of FIG. 1;
FIG. 3 is a schematic diagram of aspheric parameters of the television lens set of FIG. 1;
FIG. 4 is a schematic diagram of field curvature and distortion of the television lens assembly of FIG. 1;
FIG. 5 is a schematic view illustrating a longitudinal aberration of the television lens assembly of FIG. 1;
fig. 6 is a cross-sectional view of a television lens assembly according to a second embodiment of the present invention;
FIG. 7 is a schematic diagram of optical data of each lens in the television lens group of FIG. 6;
FIG. 8 is a schematic diagram of aspheric parameters of the television lens set of FIG. 6;
FIG. 9 is a schematic diagram of field curvature and distortion of the television lens assembly of FIG. 6;
FIG. 10 is a schematic view illustrating a longitudinal aberration of the television lens assembly of FIG. 6;
Fig. 11 is a cross-sectional view of a television lens assembly according to a third embodiment of the present invention;
FIG. 12 is a schematic view of optical data of each lens in the television lens group of FIG. 11;
FIG. 13 is a schematic diagram of aspheric parameters of the television lens assembly of FIG. 11;
FIG. 14 is a schematic diagram of field curvature and distortion of the television lens assembly of FIG. 11;
FIG. 15 is a schematic view of longitudinal aberration of the television lens assembly of FIG. 11;
fig. 16 is a cross-sectional view of a television lens assembly according to a fourth embodiment of the present invention;
FIG. 17 is a schematic diagram of optical data for each lens in the television lens group of FIG. 16;
FIG. 18 is a schematic diagram of aspheric parameters of the television lens assembly of FIG. 16;
FIG. 19 is a schematic diagram of field curvature and distortion of the television lens assembly of FIG. 16;
FIG. 20 is a schematic view of longitudinal aberration of the television lens assembly of FIG. 16;
Fig. 21 is a cross-sectional view of a television lens assembly according to a fifth embodiment of the present invention;
FIG. 22 is a schematic view of optical data of each lens in the television lens group of FIG. 21;
FIG. 23 is a schematic view of aspheric parameters of the television lens assembly of FIG. 21;
FIG. 24 is a schematic diagram of field curvature and distortion of the television lens assembly of FIG. 21;
FIG. 25 is a schematic view of longitudinal aberration of the television lens assembly of FIG. 21;
Fig. 26 is a cross-sectional view of a television lens assembly according to a fifth embodiment of the present invention;
FIG. 27 is a schematic view of optical data of each lens in the television lens group of FIG. 26;
FIG. 28 is a schematic diagram of aspheric parameters of the television lens assembly of FIG. 26;
FIG. 29 is a schematic view of field curvature and distortion of the television lens assembly of FIG. 26;
FIG. 30 is a schematic view of longitudinal aberration of the television lens assembly of FIG. 26;
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1 to 5, a television lens assembly according to a first embodiment of the present invention includes a first lens element 11, a stop 16, a second lens element 12, a third lens element 13, a fourth lens element 14, a fifth lens element 15 and an infrared filter 17, which are sequentially arranged from an object side to an image side along an optical axis direction, wherein an object side surface of an optical axis area of the first lens element 11 is a convex surface; the image side surface of the optical axis area of the second lens 12 is a convex surface; the television lens satisfies the following relational expression ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6;, wherein CT is the sum of thicknesses of the first lens element 11 to the fifth lens element 15 on the optical axis, TTL is the distance between the object side surface of the first lens element 11 and the image side surface, IH is half of the diagonal length of the effective pixel region of the electronic photosensitive element, f 'is the focal length of the television lens, and the focal lengths of the first lens element 11 to the fifth lens element 15 are f1', f2', f3', f4', and f5', respectively.
In the present embodiment, the first lens 11 includes an object-side surface 111 and an image-side surface 112. The object side surface 111 of the optical axis area of the first lens element 11 is convex, and the image side surface 112 of the optical axis area is concave. The material of the first lens element 11 is plastic, and the object-side surface 111 and the image-side surface 112 are aspheric. The first lens 11 is beneficial to condensing light of the television lens group and shortening the total length of the television lens group.
The second lens element 12 comprises an object-side surface 121 and an image-side surface 122. The object-side surface 121 of the optical axis region of the second lens element 12 is convex, and the image-side surface 122 of the optical axis region is convex. The material of the second lens element 12 is plastic, and the object-side surface 121 and the image-side surface 122 are aspheric. The second lens 12 corrects aberration of the television lens group.
The third lens element 13 comprises an object-side surface 131 and an image-side surface 132. The object side surface 131 of the optical axis area of the third lens element 13 is convex, and the image side surface 132 of the optical axis area is concave. The third lens element 13 is made of plastic, and the object-side surface 131 and the image-side surface 132 are aspheric. The third lens 13 corrects aberration of the television lens group.
The fourth lens element 14 comprises an object-side surface 141 and an image-side surface 142. The object-side surface 141 of the optical axis region of the fourth lens element 14 is concave, and the image-side surface 142 of the optical axis region is convex. The fourth lens element 14 is made of plastic, and the object-side surface 141 and the image-side surface 142 thereof are aspheric. The fourth lens 14 corrects aberration of the television lens group.
The fifth lens element 15 comprises an object-side surface 151 and an image-side surface 152. The object-side surface 151 of the optical axis area of the fifth lens element 15 is convex, the image-side surface 152 of the optical axis area is concave, and the image-side surface 152 has at least one convex surface at an off-axis position. The fifth lens element 15 is made of plastic, and the object-side surface 151 and the image-side surface 152 are aspheric. The fifth lens 15 corrects aberration of the television lens group.
In this embodiment, the system parameters of the television lens group are set as shown in fig. 2, so that the angle of view can reach 117.6 degrees, and the angle of view is greatly improved.
In fig. 2 and other embodiments, fig. 7, 12, 17, 22, and 27 of the present embodiment, parameters except materials are in millimeters.
As mentioned above, the object-side surfaces and the image-side surfaces of the five lenses are aspheric, wherein the object-side surfaces and the image-side surfaces are defined according to the following aspheric curve formula:
Wherein z is the distance from any point of the aspheric surface to the vertex of the aspheric surface along the optical axis; c is the curvature at the apex of the aspheric surface; r is the distance from any point of the aspheric surface to the optical axis; k is an aspheric quadric coefficient; a n is a coefficient of an n-th order polynomial of the aspherical surface r.
It can be understood that, in the embodiment of the present invention, the nth lens element mn includes an object-side surface mn1 and an image-side surface mn2, where n= (one, two, three, four, five); m= (1, 2,3,4, 5); n= (1, 2,3,4, 5); when N is one, n=1; when N is two, n=2; when N is three, n=3; when N is four, n=4; when N is five, n=5. Example two
Referring to fig. 6 to 10, a television lens assembly according to a second embodiment of the present invention includes a first lens element 21, a stop 26, a second lens element 22, a third lens element 23, a fourth lens element 24, a fifth lens element 25 and an infrared filter 27, which are disposed in order from an object side to an image side along an optical axis direction, wherein an object side surface of an optical axis area of the first lens element 21 is a convex surface; the image side surface of the optical axis area of the second lens 22 is a convex surface; the television lens satisfies the following relational expression ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6;, wherein CT is the sum of thicknesses of the first lens element 21 to the fifth lens element 25 on the optical axis, TTL is the distance between the object side surface of the first lens element 21 and the image side surface, IH is half of the diagonal length of the effective pixel region of the electronic photosensitive element, f 'is the focal length of the television lens, and the focal lengths of the first lens element 21 to the fifth lens element 25 are f1', f2', f3', f4', and f5', respectively.
In this embodiment, the system parameters of the television lens group are set as shown in fig. 7, so that the angle of view can reach 116 degrees, and the angle of view is greatly improved.
Example III
Referring to fig. 11 to 15, a television lens assembly according to a third embodiment of the present invention includes a first lens element 31, a stop 36, a second lens element 32, a third lens element 33, a fourth lens element 34, a fifth lens element 35 and an infrared filter 37, which are sequentially arranged from an object side to an image side along an optical axis direction, wherein an object side surface of an optical axis area of the first lens element 31 is a convex surface; the image side surface of the optical axis area of the second lens 32 is a convex surface; the television lens satisfies the following relation ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6;, where CT is the sum of thicknesses of the first lens element 31 to the fifth lens element 35 on the optical axis, TTL is the distance between the object side surface of the first lens element 31 and the image side surface, IH is half of the diagonal length of the effective pixel area of the electronic photosensitive element, f 'is the focal length of the television lens, and the focal lengths of the first lens element 31 to the fifth lens element 35 are f1', f2', f3', f4', and f5', respectively, specifically, in this embodiment, the television lens group system parameters are shown in fig. 12.
In this embodiment, the system parameters of the television lens group are set as shown in fig. 12, so that the angle of view can reach 135 degrees, and the angle of view is greatly improved.
Example IV
Referring to fig. 16 to 20, a television lens assembly according to a fourth embodiment of the present invention includes a first lens 41, a stop 46, a second lens 42, a third lens 43, a fourth lens 44, a fifth lens 45 and an infrared filter 47, which are sequentially arranged from an object side to an image side along an optical axis direction, wherein an object side surface of an optical axis area of the first lens 41 is a convex surface; the image side surface of the optical axis area of the second lens 42 is a convex surface; the television lens satisfies the following relation ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6;, where CT is the sum of thicknesses of the first lens element 41 to the fifth lens element 45 on the optical axis, TTL is the distance between the object side surface of the first lens element 41 and the image side surface, IH is half of the diagonal length of the effective pixel area of the electronic photosensitive element, f 'is the focal length of the television lens, and the focal lengths of the first lens element 41 to the fifth lens element 45 are f1', f2', f3', f4', f5', respectively, specifically, in this embodiment, the television lens group system parameters are as shown in fig. 17:
in this embodiment, the system parameters of the television lens group are set as shown in fig. 17, so that the angle of view can reach 110 degrees, and the angle of view is greatly improved.
Example five
Referring to fig. 21 to 25, a television lens assembly according to a fifth embodiment of the present invention includes a first lens element 51, a stop 56, a second lens element 52, a third lens element 53, a fourth lens element 54, a fifth lens element 55 and an infrared filter 57, which are disposed in order from an object side to an image side along an optical axis direction, wherein an object side surface of an optical axis area of the first lens element 51 is a convex surface; the image side surface of the optical axis region of the second lens element 52 is convex; the television lens satisfies the following relation ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6;, where CT is the sum of thicknesses of the first lens element 51 to the fifth lens element 55 on the optical axis, TTL is the distance between the object side surface of the first lens element 51 and the image side surface, IH is half of the diagonal length of the effective pixel area of the electronic photosensitive element, f 'is the focal length of the television lens, and the focal lengths of the first lens element 51 to the fifth lens element 55 are f1', f2', f3', f4', f5', respectively, specifically, in this embodiment, the television lens group system parameters are as shown in fig. 22:
In this embodiment, the system parameters of the television lens group are set as shown in fig. 22, so that the angle of view can reach 125 degrees, and the angle of view is greatly improved.
Example six
Referring to fig. 26 to 30, a television lens assembly according to a sixth embodiment of the present invention includes a first lens element 61, a stop 66, a second lens element 62, a third lens element 63, a fourth lens element 64, a fifth lens element 65 and an infrared filter 67, which are sequentially arranged from an object side to an image side along an optical axis direction, wherein an object side surface of an optical axis area of the first lens element 61 is a convex surface; the image side surface of the optical axis region of the second lens 62 is a convex surface; the television lens satisfies the following relation ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6;, where CT is the sum of thicknesses of the first lens element 61 to the fifth lens element 65 on the optical axis, TTL is the distance between the object side surface of the first lens element 61 and the image side surface, IH is half of the diagonal length of the effective pixel area of the electronic photosensitive element, f 'is the focal length of the television lens, and the focal lengths of the first lens element 61 to the fifth lens element 65 are f1', f2', f3', f4', f5', respectively, specifically, in this embodiment, the television lens group system parameters are as shown in fig. 27:
in this embodiment, the system parameters of the television lens group are set as shown in fig. 27, so that the angle of view can reach 103.6 degrees, and the angle of view is greatly improved.
The television lens group provided by the invention comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction, wherein the object side of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; meanwhile, the television lens meets the following relational expression ：f1'<0,f2'>0,f3'<0,f4'>0,f5'<0,0.5<CT/TTL<1.0,1.3<TTL/IH<2.0,1.0<IH/f'<1.6,, so that the field angle of the television lens set can reach 103.6-135 degrees, and a television lens set with a large field angle is provided.
In some embodiments, the television lens group further satisfies the following relationship: 0.4< (R3+R4)/(R3-R4) <1, wherein R3 is the radius of curvature of the object-side surface of the second lens element and R4 is the radius of curvature of the image-side surface of the second lens element. Or the television lens group also satisfies the following relation: R1/R2>1.0, wherein R1 is the radius of curvature of the object-side surface of the first lens element and R2 is the radius of curvature of the image-side surface of the first lens element. Or the television lens group also satisfies the following relation: 0.5< f'/IH <1.0; or the television lens group also satisfies the following relation: 0<f'/R1<2, wherein R1 is the radius of curvature of the first lens object-side surface; or the television lens group also satisfies the following relation: -1<f '/f1' <0; or the television lens group also satisfies the following relation: 0<f '/f2' <2; or the television lens group also satisfies the following relation: 0<f '/f345' <0.5, wherein f345' is a combined focal length of the third lens, the fourth lens, and the fifth lens; or the television lens group also satisfies the following relation: 0.4< (CT2+CT3+CT4)/CT <1.0, CT1/CT <0.3, wherein CT2 is the center thickness of the second lens on the optical axis, CT3 is the center thickness of the third lens on the optical axis, CT4 is the center thickness of the fourth lens on the optical axis, and CT is the sum of the thicknesses of the first lens to the fifth lens on the optical axis. The relationships between the lenses defined in the above embodiments may be arbitrarily combined to adjust the physical-optical properties of the lenses.
In other embodiments of the present invention, the present invention further provides a television lens assembly including any one of the above-mentioned television lens groups, and further including a lens barrel, a base assembly, an image sensing element, and a substrate, wherein the television lens assembly is accommodated in the lens barrel, the base assembly abuts against an outer side of the lens barrel, and the image sensing element is disposed on the substrate, so as to provide a television lens with a large angle of view.
In other embodiments of the present invention, an electronic device is provided, which includes the above-mentioned television lens, and further includes a housing, where the television lens is accommodated in the housing, so as to provide an electronic device with a large angle of view.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The television lens group comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction, and is characterized in that the object side surface of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; the system parameters and the structure parameters of the television lens meet the following table:
。
2. The television lens group comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction, and is characterized in that the object side surface of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; the system parameters and the structure parameters of the television lens meet the following table:
。
3. The television lens group comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction, and is characterized in that the object side surface of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; the system parameters and the structure parameters of the television lens meet the following table:
。
4. The television lens group comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction, and is characterized in that the object side surface of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; the system parameters and the structure parameters of the television lens meet the following table:
。
5. the television lens group comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction, and is characterized in that the object side surface of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; the system parameters and the structure parameters of the television lens meet the following table:
。
6. The television lens group comprises a first lens, a diaphragm, a second lens, a third lens, a fourth lens, a fifth lens and an infrared filter which are sequentially arranged from an object side to an image side along the optical axis direction, and is characterized in that the object side surface of an optical axis area of the first lens is a convex surface; the image side surface of the optical axis area of the second lens is a convex surface; the system parameters and the structure parameters of the television lens meet the following table:
。
7. A television lens set according to any one of claims 1 to 6, further comprising a lens barrel, a base assembly, an image sensing element and a substrate, wherein the television lens set is accommodated in the lens barrel, the base assembly abuts against the outer side of the lens barrel, and the image sensing element is arranged on the substrate.
8. An electronic device comprising the television lens of claim 7, further comprising a housing, the television lens being housed within the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808823.2A CN114077042B (en) | 2020-08-12 | 2020-08-12 | Television lens group, television lens and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808823.2A CN114077042B (en) | 2020-08-12 | 2020-08-12 | Television lens group, television lens and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN114077042A CN114077042A (en) | 2022-02-22 |
| CN114077042B true CN114077042B (en) | 2024-05-17 |
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| CN202010808823.2A Active CN114077042B (en) | 2020-08-12 | 2020-08-12 | Television lens group, television lens and electronic equipment |
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| JPH09145996A (en) * | 1995-11-24 | 1997-06-06 | Nikon Corp | Internal focusing type telephoto lens |
| JP2006047944A (en) * | 2004-03-24 | 2006-02-16 | Fuji Photo Film Co Ltd | Photographing lens |
| CN106886081A (en) * | 2015-12-15 | 2017-06-23 | 大立光电股份有限公司 | Image capturing optical lens assembly, image capturing device and electronic device |
| CN110687665A (en) * | 2019-10-28 | 2020-01-14 | 浙江舜宇光学有限公司 | Image pickup lens assembly |
| CN212391661U (en) * | 2020-08-12 | 2021-01-22 | 深圳市晶钛光学股份有限公司 | Television lens group, television lens and electronic equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI663443B (en) * | 2015-02-06 | 2019-06-21 | 先進光電科技股份有限公司 | Optical image capturing system |
| US10564396B2 (en) * | 2017-06-21 | 2020-02-18 | Newmax Technology Co., Ltd. | Five-piece optical lens system with a wide field of view |
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2020
- 2020-08-12 CN CN202010808823.2A patent/CN114077042B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09145996A (en) * | 1995-11-24 | 1997-06-06 | Nikon Corp | Internal focusing type telephoto lens |
| JP2006047944A (en) * | 2004-03-24 | 2006-02-16 | Fuji Photo Film Co Ltd | Photographing lens |
| CN106886081A (en) * | 2015-12-15 | 2017-06-23 | 大立光电股份有限公司 | Image capturing optical lens assembly, image capturing device and electronic device |
| CN110687665A (en) * | 2019-10-28 | 2020-01-14 | 浙江舜宇光学有限公司 | Image pickup lens assembly |
| CN212391661U (en) * | 2020-08-12 | 2021-01-22 | 深圳市晶钛光学股份有限公司 | Television lens group, television lens and electronic equipment |
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| CN114077042A (en) | 2022-02-22 |
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