CN113885182B - Zooming optical imaging system - Google Patents
Zooming optical imaging system Download PDFInfo
- Publication number
- CN113885182B CN113885182B CN202111426877.3A CN202111426877A CN113885182B CN 113885182 B CN113885182 B CN 113885182B CN 202111426877 A CN202111426877 A CN 202111426877A CN 113885182 B CN113885182 B CN 113885182B
- Authority
- CN
- China
- Prior art keywords
- lens
- equal
- imaging system
- optical imaging
- concave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only
- G02B15/1425—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only the first group being negative
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The invention provides a zooming optical imaging system, which comprises a compensation group and a zoom group which are sequentially arranged along a light incidence light path from left to right, wherein the compensation group has negative focal power, and the zoom group has positive focal power; the compensation group comprises a first lens, a second lens and a third lens which are sequentially arranged from left to right along a light incident light path; the zoom group comprises a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens which are sequentially arranged along a light incident path from left to right; the focal length of the first lens of the optical system is f1, the focal length of the compensation group is fi, and the focal length of the zoom group is fii, so that the following relations are satisfied: fi/f1 is more than or equal to 0.1 and less than or equal to 2.0; fii/f1 is not more than-2.0 and not more than-0.1; the system adopts glass to mould structural design, has lighter system quality in comparison with full glass system, has stronger optical property stability for full plastic system.
Description
Technical Field
The present invention relates to a zoom optical imaging system.
Background
The sky net formed by the cameras is an important weapon for maintaining the safety of people's lives and properties. In recent years, the construction of all-weather, dead-angle-free and high-image-quality monitoring camera networks is increasingly emphasized by the nation and more enterprises and public institutions. Meanwhile, as people live more and more, more and more people hope to have a monitoring device with various functions to provide security protection. However, it is difficult for related products in the current market to meet optical characteristics such as high image quality, large market, day and night sharing, zooming and the like, and to meet security requirements of the public.
Disclosure of Invention
The invention improves the problems, namely the technical problem to be solved by the invention is that the lens products in the market are difficult to take into account the optical characteristics of high image quality, large market, day and night sharing, zooming and the like, and the security requirements of the public are difficult to meet.
The specific embodiment of the invention is as follows: a zooming optical imaging system is composed of a compensation group and a zoom group which are sequentially arranged along a light incidence light path from left to right, wherein the compensation group has negative focal power, and the zoom group has positive focal power;
the compensation group consists of a first lens, a second lens and a third lens which are sequentially arranged from left to right along a light incident light path;
the zoom group consists of a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens which are sequentially arranged along a light incident path from left to right;
the second lens, the third lens, the fifth lens, the sixth lens, the seventh lens and the tenth lens in the zoom optical imaging system are aspheric lenses;
the focal length of the first lens of the zooming optical imaging system is f1, the focal length of the compensation group is fi, and the focal length of the zoom group is fii, so that the following relations are satisfied among the parameters: fi/f1 is more than or equal to 0.1 and less than or equal to 2.0; fii/f1 is not more than-2.0 and not more than-0.1;
the focal length f3 of the third lens and the focal length f5 of the fifth lens of the zoom optical imaging system satisfy the following relation: f3/f5 is more than or equal to 1.0 and less than or equal to 3.0.
Further, the refractive indexes N1, N3, and N5 of the first lens, the third lens, and the fifth lens of the zoom optical imaging system satisfy the following relationship: N1/N3 is more than or equal to 0.5 and less than or equal to 1.5; N3/N5 is more than or equal to 1.0 and less than or equal to 2.0; N5/N1 is more than or equal to 0.5 and less than or equal to 1.0.
Further, the abbe numbers V4, V6, V10 of the fourth lens, the sixth lens and the tenth lens of the zoom optical imaging system satisfy the following relations: V4/V6 is more than or equal to 1.5 and less than or equal to 3.0; V6/V10 is more than or equal to 2.0 and less than or equal to 4.0; V10/V4 is more than or equal to 0.1 and less than or equal to 1.0.
Furthermore, the first lens, the fourth lens, the eighth lens and the ninth lens of the zoom optical imaging system are glass lenses; the second lens, the third lens, the fifth lens, the sixth lens, the seventh lens and the tenth lens are all plastic lenses.
Compared with the prior art, the invention has the following beneficial effects:
(1) The glass-plastic structural design is adopted, so that the system has lighter system mass compared with an all-glass system, and has stronger optical performance stability compared with an all-plastic system;
(2) The surface type design is reasonable, the light incident angle of each optical surface is small, the tolerance sensitivity is lower, the assembly is easy, the cost is lower, and the method is more suitable for large-scale high-yield production;
(3) The zoom design is adopted, and the long-distance wide-angle high-image-quality monitoring capability and the short-distance wide-angle high-image-quality monitoring capability are simultaneously realized;
(4) The wide-angle end F number is smaller, the clear aperture is larger, the sufficiency of the light inlet quantity of the system is ensured, and the wide-angle end F number can adapt to various complex environments;
(5) Through reasonable glass material collocation and lens optical power distribution, the axial chromatic aberration and the transverse chromatic aberration of the whole optical system are well corrected.
Drawings
Fig. 1 is an optical configuration diagram at the wide-angle end in embodiment 1 of the present invention;
FIG. 2 is an axial chromatic aberration diagram at the wide-angle end in embodiment 1 of the present invention;
FIG. 3 is a vertical axis chromatic aberration diagram at the wide-angle end in accordance with embodiment 1 of the present invention;
FIG. 4 is a field curvature distortion diagram at the wide-angle end in accordance with embodiment 1 of the present invention;
FIG. 5 is a diagram of the axial chromatic aberration at the telescopic end in embodiment 1 of the present invention;
FIG. 6 is a vertical axis chromatic aberration diagram of the telescopic end in embodiment 1 of the present invention;
FIG. 7 is a field curvature distortion plot of the telescopic end of example 1 of the present invention;
FIG. 8 is a schematic diagram of an optical configuration at the wide-angle end in embodiment 2 of the present invention;
FIG. 9 is an axial chromatic aberration diagram at the wide-angle end in accordance with embodiment 2 of the present invention;
FIG. 10 is a vertical axis chromatic aberration diagram at the wide-angle end in accordance with embodiment 2 of the present invention;
FIG. 11 is a field curvature distortion diagram at the wide-angle end in accordance with example 2 of the present invention;
FIG. 12 is a view showing the axial chromatic aberration at the telephoto end in embodiment 2 of the present invention;
FIG. 13 is a vertical axis chromatic aberration diagram of the telescopic end in embodiment 2 of the present invention;
FIG. 14 is a distortion diagram of the field curvature of the telescopic end in example 2 of the present invention;
fig. 15 is an optical configuration diagram at the wide-angle end in embodiment 3 of the present invention;
FIG. 16 is an axial chromatic aberration diagram at the wide-angle end in embodiment 3 of the present invention;
FIG. 17 is a vertical axis chromatic aberration diagram at the wide-angle end in accordance with embodiment 3 of the present invention;
FIG. 18 is a field curvature distortion diagram at the wide-angle end in accordance with example 3 of the present invention;
FIG. 19 is a diagram of the axial chromatic aberration at the telescopic end in embodiment 3 of the present invention;
FIG. 20 is a vertical axis chromatic aberration diagram of the telescopic end of embodiment 3 of the present invention;
FIG. 21 is a distortion diagram of the field curvature of the telescopic end in example 3 of the present invention;
in the figure: l1-a first lens; l2-a second lens; l3-a third lens; STO-stop; l4-fourth lens; l5-a fifth lens; l6-sixth lens; l7-seventh lens, L8-eighth lens; l9-ninth lens; l10-tenth lens; l11-optical filter; l12-protective glass; IMG-imaging plane.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The first embodiment:
as shown in fig. 1, in the present embodiment, the zoom optical imaging system includes a compensation group 10 and a magnification-varying group 20 which are arranged in this order from left to right along the light incident path. The compensation group 10 includes a first lens L1, a second lens L2 and a third lens L3 sequentially arranged from left to right along the incident light path of the light; the variable power group 20 includes a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, an eighth lens L8, a ninth lens L9, and a tenth lens L10, which are sequentially disposed from left to right along a light incident path. The eighth lens L8 and the ninth lens L9 in the variable power group 20 are cemented together to form a double cemented lens.
The first lens L1 is a double-concave negative lens, and the object side surface and the image side surface of the first lens are both concave surfaces;
the second lens L2 is a double-concave negative lens, and the object side surface and the image side surface of the second lens are both concave surfaces;
the third lens element L3 is a biconvex positive lens element, and both the object-side surface and the image-side surface thereof are convex surfaces;
the fourth lens element L4 is a meniscus positive lens element, and has a convex object-side surface and a concave image-side surface;
the fifth lens element L5 is a negative meniscus lens element with a concave object-side surface and a convex image-side surface;
the sixth lens element L6 is a biconvex positive lens element, and has convex object-side and image-side surfaces;
the seventh lens element L7 is a biconvex positive lens element, and both the object-side surface and the image-side surface thereof are convex surfaces;
the eighth lens element L8 is a negative meniscus lens element, which has a convex object-side surface and a concave image-side surface;
the ninth lens element L9 is a negative meniscus lens element, which has a convex object-side surface and a concave image-side surface;
the tenth lens element L10 is a meniscus positive lens element, and has a concave object-side surface and a convex image-side surface.
In this embodiment, the technical indexes of the zoom optical imaging system are as follows:
(1) EFFL is more than or equal to 4.30mm and less than or equal to 10.05mm; (2) F number is more than or equal to 1.3 and less than or equal to 2.2; (3) angle of view: 2w is less than or equal to 140 degrees.
In order to achieve the above technical indexes, the present embodiment adopts the structural parameters shown in table 1 below.
Table 2 below shows the aspherical coefficients of the aspherical lenses of the optical system according to the present embodiment.
Table 3 below shows the numerical values of the thickness of the air layer between the compensation group 10 and the magnification-varying group 20 when the present embodiment is varied from the wide-angle end to the telephoto end.
Referring to fig. 2 to 5, it can be seen that the present embodiment has good image quality, excellent zoom, large aperture, day and night sharing, high resolution, and the like.
The second embodiment:
as shown in fig. 6, in the present embodiment, the optical system includes a compensation group 10 and a magnification-varying group 20 which are arranged in this order from left to right along the light incident path of the light. The compensation group 10 includes a first lens L1, a second lens L2 and a third lens L3 sequentially arranged from left to right along the incident light path of the light; the variable power group 20 includes a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, an eighth lens L8, a ninth lens L9, and a tenth lens L10, which are sequentially disposed from left to right along a light incident path. The eighth lens L8 and the ninth lens L9 in the variable power group 20 are cemented together to form a double cemented lens.
The first lens L1 is a meniscus negative lens, the object side surface of which is a convex surface, and the image side surface of which is a concave surface;
the second lens L2 is a biconcave negative lens, and the object side surface and the image side surface of the second lens are both concave surfaces;
the third lens element L3 is a biconvex positive lens element, and both the object-side surface and the image-side surface thereof are convex surfaces;
the fourth lens element L4 is a biconvex positive lens element, and both the object-side surface and the image-side surface thereof are convex surfaces;
the fifth lens L5 is a biconcave negative lens, and the object side surface and the image side surface of the fifth lens are both concave surfaces;
the sixth lens element L6 is a meniscus positive lens element, and has a convex object-side surface and a concave image-side surface;
the seventh lens element L7 is a biconvex positive lens element, and both the object-side surface and the image-side surface thereof are convex surfaces;
the eighth lens element L8 is a negative meniscus lens element, which has a convex object-side surface and a concave image-side surface;
the ninth lens element L9 is a biconvex negative lens element, and both the object-side surface and the image-side surface thereof are convex surfaces;
the tenth lens element L10 is a negative meniscus lens element, which has a convex object-side surface and a concave image-side surface.
In this embodiment, the technical indexes of the optical system are as follows:
(1) EFFL is more than or equal to 4.30mm and less than or equal to 9.70mm; (2) F number is more than or equal to 1.35 and less than or equal to 2.25; (3) angle of view: 2w is less than or equal to 140 degrees.
In order to achieve the technical indexes, the present embodiment adopts the structural parameters shown in table 4.
Table 5 shows aspherical coefficients of the aspherical lenses of the optical system according to the present embodiment.
Table 6 shows the numerical values of the thickness of the air layer between the compensation group 10 and the magnification-varying group 20 when this embodiment is varied from the wide-angle end to the telephoto end.
Referring to fig. 7 to 10, it is clear that the present embodiment has good image quality, and has excellent performance such as zoom, large aperture, day and night sharing, and high resolution.
Third embodiment:
as shown in fig. 11, in the present embodiment, the optical system includes a compensation group 10 and a magnification-varying group 20 which are arranged in this order from left to right along the light incident path of the light. The compensation group 10 includes a first lens L1, a second lens L2 and a third lens L3 sequentially arranged from left to right along the incident light path of the light; the variable power group 20 includes a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, an eighth lens L8, a ninth lens L9, and a tenth lens L10, which are sequentially disposed from left to right along a light incident path. The seventh lens L7 and the eighth lens L8 in the variable power group 20 are cemented with each other to form a cemented doublet.
The first lens L1 is a meniscus negative lens, the object side surface of which is a convex surface, and the image side surface of which is a concave surface;
the second lens L2 is a biconcave negative lens, and the object side surface and the image side surface of the second lens are both concave surfaces;
the third lens element L3 is a meniscus positive lens element, the object-side surface of which is convex and the image-side surface of which is concave;
the fourth lens element L4 is a biconvex positive lens element, and both the object-side surface and the image-side surface thereof are convex surfaces;
the fifth lens element L5 is a meniscus positive lens element with a convex object-side surface and a concave image-side surface;
the sixth lens element L6 is a meniscus positive lens element, and has a convex object-side surface and a concave image-side surface;
the seventh lens element L7 is a negative meniscus lens element with a convex object-side surface and a concave image-side surface;
the eighth lens element L8 is a biconvex positive lens element, and both the object-side surface and the image-side surface thereof are convex surfaces;
the ninth lens element L9 is a negative meniscus lens element with a convex object-side surface and a concave image-side surface;
the tenth lens element L10 is a meniscus positive lens element, and has a convex object-side surface and a concave image-side surface.
In this embodiment, the technical indexes of the optical system are as follows:
(1) EFFL is more than or equal to 4.35mm and less than or equal to 9.70mm; (2) F number is more than or equal to 1.32 and less than or equal to 2.16; (3) angle of view: 2w is less than or equal to 140 degrees.
In order to achieve the above technical indexes, the present embodiment adopts the following structural parameters shown in table 7.
Table 8 below shows aspherical coefficients of the aspherical lenses of the optical system according to the present embodiment.
Table 9 below shows the numerical values of the thickness of the air layer between the compensation group 10 and the magnification-varying group 20 when the present embodiment is varied from the wide-angle end to the telephoto end.
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
It should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (3)
1. A zoom optical imaging system characterized by: the zoom optical imaging system consists of a compensation group and a zoom group which are sequentially arranged along a light ray incidence light path from left to right, wherein the compensation group has negative focal power, and the zoom group has positive focal power;
the compensation group consists of a first lens, a second lens and a third lens which are sequentially arranged from left to right along a light incident light path;
the zoom group consists of a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens which are sequentially arranged from left to right along a light incidence light path;
the second lens, the third lens, the fifth lens, the sixth lens, the seventh lens and the tenth lens in the zoom optical imaging system are aspheric lenses;
the focal length of the first lens of the zooming optical imaging system is f1, the focal length of the compensation group is fi, and the focal length of the zoom group is fii, so that the following relations are satisfied among the parameters: fi/f1 is more than or equal to 0.1 and less than or equal to 2.0; fii/f1 is not more than-2.0 and not more than-0.1;
the focal length f3 of the third lens and the focal length f5 of the fifth lens of the zoom optical imaging system satisfy the following relation: f3/f5 is more than or equal to 1.0 and less than or equal to 3.0;
the refractive indexes N1, N3 and N5 of the first lens, the third lens and the fifth lens of the zooming optical imaging system satisfy the following relations: N1/N3 is more than or equal to 0.5 and less than or equal to 1.5; N3/N5 is more than or equal to 1.0 and less than or equal to 2.0; N5/N1 is more than or equal to 0.5 and less than or equal to 1.0;
the Abbe numbers V4, V6 and V10 of the fourth lens, the sixth lens and the tenth lens of the zoom optical imaging system satisfy the following relations: V4/V6 is more than or equal to 1.5 and less than or equal to 3.0; V6/V10 is more than or equal to 2.0 and less than or equal to 4.0; V10/V4 is more than or equal to 0.1 and less than or equal to 1.0.
2. The zoom optical imaging system of claim 1, wherein: the first lens, the fourth lens, the eighth lens and the ninth lens of the zoom optical imaging system are glass lenses; the second lens, the third lens, the fifth lens, the sixth lens, the seventh lens and the tenth lens are all plastic lenses.
3. The zoom optical imaging system of claim 1, wherein:
the first lens is a double-concave negative lens, and the object side surface and the image side surface of the first lens are both concave surfaces;
the second lens is a double-concave negative lens, and the object side surface and the image side surface of the second lens are both concave surfaces;
the third lens is a biconvex positive lens, and both the object side surface and the image side surface of the third lens are convex surfaces;
the fourth lens is a meniscus positive lens, 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;
the fifth lens is a meniscus negative lens, the object side surface of the fifth lens is a concave surface, and the image side surface of the fifth lens is a convex surface;
the sixth lens is a biconvex positive lens, and both the object side surface and the image side surface of the sixth lens are convex surfaces;
the seventh lens is a biconvex positive lens, and the object side surface and the image side surface of the seventh lens are convex surfaces;
the eighth lens is a meniscus negative lens, the object side surface of the eighth lens is a convex surface, and the image side surfaces of the eighth lens are concave surfaces;
the ninth lens is a meniscus negative lens, the object side surface of the ninth lens is a convex surface, and the image side surfaces of the ninth lens are concave surfaces;
the tenth lens element is a meniscus positive lens element, which has a concave object-side surface and a convex image-side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426877.3A CN113885182B (en) | 2021-11-28 | 2021-11-28 | Zooming optical imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426877.3A CN113885182B (en) | 2021-11-28 | 2021-11-28 | Zooming optical imaging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113885182A CN113885182A (en) | 2022-01-04 |
| CN113885182B true CN113885182B (en) | 2022-11-22 |
Family
ID=79016203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111426877.3A Active CN113885182B (en) | 2021-11-28 | 2021-11-28 | Zooming optical imaging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113885182B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08179208A (en) * | 1994-12-26 | 1996-07-12 | Nikon Corp | Wide angle zoom lens |
| JP2002006214A (en) * | 2000-04-20 | 2002-01-09 | Nikon Corp | Zoom lens and photographing device equipped with the same |
| JP2004271937A (en) * | 2003-03-10 | 2004-09-30 | Ricoh Co Ltd | Zoom lens, camera and personal digital assistant using same |
| CN109061858A (en) * | 2018-10-19 | 2018-12-21 | 舜宇光学(中山)有限公司 | Zoom lens |
-
2021
- 2021-11-28 CN CN202111426877.3A patent/CN113885182B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08179208A (en) * | 1994-12-26 | 1996-07-12 | Nikon Corp | Wide angle zoom lens |
| JP2002006214A (en) * | 2000-04-20 | 2002-01-09 | Nikon Corp | Zoom lens and photographing device equipped with the same |
| JP2004271937A (en) * | 2003-03-10 | 2004-09-30 | Ricoh Co Ltd | Zoom lens, camera and personal digital assistant using same |
| CN109061858A (en) * | 2018-10-19 | 2018-12-21 | 舜宇光学(中山)有限公司 | Zoom lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113885182A (en) | 2022-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107132643B (en) | Wide-angle lens | |
| JP5638709B2 (en) | Wide angle lens and imaging device | |
| CN109856783A (en) | A kind of optical imaging lens | |
| CN108646387B (en) | Day and night monitoring lens | |
| CN108318995B (en) | Lens system and lens | |
| CN112285884B (en) | 1.14mm ultra-wide angle optical system and imaging method thereof | |
| CN114002819B (en) | Large-aperture high-definition day and night dual-purpose fixed-focus optical lens | |
| CN209343033U (en) | A kind of optical imaging lens | |
| CN113885182B (en) | Zooming optical imaging system | |
| CN114047597B (en) | Fixed focus optical lens and imaging method thereof | |
| CN218413032U (en) | Glass-plastic mixed athermalized optical lens | |
| CN114355560B (en) | High-definition optical lens | |
| CN213482549U (en) | Large-aperture optical system | |
| CN115453720A (en) | Glass-plastic mixed athermalized optical lens and working method thereof | |
| CN213482553U (en) | Zoom lens | |
| CN209961995U (en) | Miniaturized prime lens | |
| CN209961994U (en) | Fixed focus lens | |
| CN114063251B (en) | Large-target-surface optical imaging lens group and imaging method thereof | |
| CN114063257B (en) | Wide-angle large-aperture athermal Jiao An anti-lens | |
| CN114047612B (en) | Large-aperture ultra-wide-angle optical lens and imaging method thereof | |
| CN221281311U (en) | Six-piece type 4K forward-looking narrow-angle optical system | |
| CN210270347U (en) | Optical imaging lens | |
| CN214795395U (en) | Low-distortion 1G3P optical lens | |
| CN217821052U (en) | High-definition camera lens | |
| CN212302053U (en) | Built-in doubling optical system of telephoto lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |