CN201345001Y - Lens groups of electronic eyeglass for optical microscope - Google Patents
Lens groups of electronic eyeglass for optical microscope Download PDFInfo
- Publication number
- CN201345001Y CN201345001Y CNU2009201262330U CN200920126233U CN201345001Y CN 201345001 Y CN201345001 Y CN 201345001Y CN U2009201262330 U CNU2009201262330 U CN U2009201262330U CN 200920126233 U CN200920126233 U CN 200920126233U CN 201345001 Y CN201345001 Y CN 201345001Y
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- lens
- optical microscope
- optical
- diopter
- photo
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Abstract
The utility model discloses lens groups of electronic eyeglass for an optical microscope, which are suitable for image formation of an object upon a photosensitive element, wherein lens groups ranging from first to sixth group are included sequentially between an initial image formation plane and a photosensitive element. Compared with the prior lens groups of electronic eyeglass for an optical microscope, the designing of 8 glasses and 6 groups is adopted for the lens groups of the utility model; the increase in the quantity leads to performance improvement, thereby reducing effectively the accumulation of allowable error and solving difference problems brought by spherical aberration, coma aberration, distortion, chromatic aberration and astigmatism, as a result the color rendition of the image collected is excellent and the image formation quality is high.
Description
Technical field
The utility model relates to a kind of lens group, particularly a kind of optical microscope electronic eyepiece lens group.
Background technology
For a long time, when people use microscope, can only observe by an observer at every turn, and the appearance of electronic eyepiece, it makes observed target imaging on image sensor, and converts vision signal or video data stream to, in televisor or computing machine, show, make everybody need not rob, need not wait, multidigit observer can watch simultaneously, makes observation, teaching and scientific research etc. more intuitively lively, convenient.Use imager chip, can be conveniently used in any standard biological microscope, the stereomicroscope lens barrel, thereby brought great quick and convenient for observation, teaching, scientific research.
Electronic eyepiece provides shooting, memory function.It can deposit observed image in computing machine, analyze, measure and add up, improve the use intension of traditional optical instrument, cooperate modern comforts such as CD writer, projector, notebook computer again, make a large amount of, loaded down with trivial details work become interesting, light, efficient.
But existingly be used for microscopical electronic eyepiece, it eyeglass that comprises is counted negligible amounts, and the design of lens group also has unreasonable part, and the improvement by in the design can also further promote imaging effect and color rendition performance.
The utility model content
In view of this, the purpose of this utility model provides a kind of optical microscope electronic eyepiece lens group, by increasing eyeglass and improving original design proposal, can further promote imaging effect and color rendition performance.
Optical microscope electronic eyepiece lens group of the present utility model is suitable for object image-forming on photo-sensitive cell, its from object space to comprising first to the 6th lens combination between the photo-sensitive cell successively, wherein:
Described first lens combination comprises first lens, and described first lens have positive optical diopter;
Described second lens combination comprises first balsaming lens, has negative optical diopter;
Described the 3rd lens combination comprises the 4th lens, has positive optical diopter;
Described the 4th lens combination comprises the 5th lens, has positive optical diopter;
Described the 5th lens combination comprises second balsaming lens, has positive optical diopter;
Described the 6th lens combination comprises the 8th lens, has positive optical diopter;
Further, described first balsaming lens comprises second lens with negative optical diopter and the 3rd lens with positive optical diopter successively;
Further, described second balsaming lens comprises the 6th lens with positive optical diopter and the 7th lens with negative optical diopter successively;
Further, described second lens are biconcave lens;
Further, described the 3rd lens are crescent lens, and the protruding of described the 3rd lens closely glued together towards a side concave surface of photo-sensitive cell to the face and second lens;
Further, described the 6th lens are biconvex lens, its towards the radius-of-curvature of object space one side greater than radius-of-curvature towards photo-sensitive cell one side;
Further, described the 7th lens are concavees lens, and its concave surface closely glues together towards object space and with the convex surface of the 6th lens towards photo-sensitive cell one side;
Further, described second lens and the 7th lens are glass moulding lens, compound lens or plastic lens;
Further, described photo-sensitive cell is charge-coupled device or complementary metal oxide semiconductor (CMOS);
Further, also comprise optical filter, described optical filter is arranged between the 8th lens and the photo-sensitive cell.
The beneficial effects of the utility model are:
1. compared to existing optical microscope electronic eyepiece lens group, lens group of the present utility model has adopted 86 groups design, the increase of quantity has brought the lifting on the performance, effectively reduced the accumulation of tolerance, well eliminate spherical aberration, coma, distortion, aberration, astigmatism etc. and differed problem, the image color that is collected is Well-recovered, and image quality is good;
Six lens combination adopted positive and negative, just, just, just, positive design eliminates aberration, make to the utlity model has high-resolution image quality.
Other advantages of the present utility model, target, to set forth in the following description to a certain extent with feature, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following instructions and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Accompanying drawing is the utility model structural representation;
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in the figure, optical microscope electronic eyepiece lens group of the present utility model, its from initial imaging plane 11 to comprising first to the 6th lens combination between the photo-sensitive cell 10 successively, wherein:
First lens combination comprises that first lens, 1, the first lens 1 are the convex lens of a convex surface towards object space, has positive optical diopter;
Second lens combination comprises first balsaming lens, has negative optical diopter, first balsaming lens comprises second lens 2 with negative optical diopter and the 3rd lens 3 with positive optical diopter successively, second lens 2 are biconcave lens, the 3rd lens 3 are crescent lens, and the protruding of the 3rd lens 3 closely glued together towards a side concave surface of photo-sensitive cell 10 to the face and second lens 2;
The 3rd lens combination comprises that the 4th lens 4, the four lens are biconvex lens, has positive optical diopter;
The 4th lens combination comprises the 5th lens 5, has positive optical diopter;
The 5th lens combination comprises second balsaming lens, has positive optical diopter, second balsaming lens comprises the 6th lens 6 with positive optical diopter and the 7th lens 7 with negative optical diopter successively, the 6th lens 6 are biconvex lens, its towards the radius-of-curvature of object space one side greater than radius-of-curvature towards photo-sensitive cell 10 1 sides, the 7th lens 7 are concavees lens, and its concave surface closely glues together towards object space and with the convex surface of the 6th lens 6 towards photo-sensitive cell 10 1 sides.
The 6th lens combination comprises the 8th lens 8, has positive optical diopter;
Be the unwanted light of elimination, can select optical filter 9 as required, optical filter 9 is arranged between the 8th lens 8 and the photo-sensitive cell 10.
In addition, second lens 2 and the 7th lens 7 can be chosen as glass moulding lens, compound lens or plastic lens as required.
Photo-sensitive cell 10 is charge-coupled device (CCD) or complementary metal oxide semiconductor (CMOS) (CMOS).
The utility model is suitable for object image-forming showing that by image display its color reducibility is good that on photo-sensitive cell 10 imaging effect is good.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. optical microscope electronic eyepiece lens group, be suitable for object image-forming it is characterized in that on photo-sensitive cell (10): it comprises first to the 6th lens combination from initial imaging plane (11) successively between the photo-sensitive cell (10), wherein:
Described first lens combination comprises first lens (1), and described first lens (1) have positive optical diopter;
Described second lens combination comprises first balsaming lens, has negative optical diopter;
Described the 3rd lens combination comprises the 4th lens (4), has positive optical diopter;
Described the 4th lens combination comprises the 5th lens (5), has positive optical diopter;
Described the 5th lens combination comprises second balsaming lens, has positive optical diopter;
Described the 6th lens combination comprises the 8th lens (8), has positive optical diopter.
2. optical microscope electronic eyepiece lens group according to claim 1 is characterized in that: described first balsaming lens comprises second lens (2) with negative optical diopter and the 3rd lens (3) with positive optical diopter successively.
3. optical microscope electronic eyepiece lens group according to claim 1 and 2 is characterized in that: described second balsaming lens comprises the 6th lens (6) with positive optical diopter and the 7th lens (7) with negative optical diopter successively.
4. optical microscope electronic eyepiece lens group according to claim 3 is characterized in that: described second lens (2) are biconcave lens.
5. optical microscope electronic eyepiece lens group according to claim 4, it is characterized in that: described the 3rd lens (3) are crescent lens, and the protruding of described the 3rd lens (3) closely glued together towards a side concave surface of photo-sensitive cell (10) to face and second lens (2).
6. optical microscope electronic eyepiece lens group according to claim 5 is characterized in that: described the 6th lens (6) are biconvex lens, its towards the radius-of-curvature of object space one side greater than radius-of-curvature towards photo-sensitive cell (10) one sides.
7. optical microscope electronic eyepiece lens group according to claim 6 is characterized in that: described the 7th lens (7) are concavees lens, and its concave surface closely glues together towards object space and with the convex surface of the 6th lens (6) towards photo-sensitive cell (10) one sides.
8. optical microscope electronic eyepiece lens group according to claim 7 is characterized in that: described second lens (2) and the 7th lens (7) are glass moulding lens, compound lens or plastic lens.
9. optical microscope electronic eyepiece lens group according to claim 8 is characterized in that: described photo-sensitive cell (10) is charge-coupled device or complementary metal oxide semiconductor (CMOS).
10. optical microscope electronic eyepiece lens group according to claim 9 is characterized in that: also comprise optical filter (9), described optical filter (9) is arranged between the 8th lens (8) and the photo-sensitive cell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201262330U CN201345001Y (en) | 2009-01-22 | 2009-01-22 | Lens groups of electronic eyeglass for optical microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201262330U CN201345001Y (en) | 2009-01-22 | 2009-01-22 | Lens groups of electronic eyeglass for optical microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345001Y true CN201345001Y (en) | 2009-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201262330U Expired - Fee Related CN201345001Y (en) | 2009-01-22 | 2009-01-22 | Lens groups of electronic eyeglass for optical microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345001Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062940A (en) * | 2010-11-05 | 2011-05-18 | 西交利物浦大学 | Universal electronic ocular device |
| CN102360118A (en) * | 2011-10-27 | 2012-02-22 | 昆明晶华光学有限公司 | Super-wide-angle eyepiece optical system |
| CN104808332A (en) * | 2015-05-11 | 2015-07-29 | 中山联合光电科技股份有限公司 | High-resolution and automatic-focusing electron microscope eyepiece system |
| CN105388588A (en) * | 2010-07-15 | 2016-03-09 | Lg伊诺特有限公司 | Super wide angle optical lens system |
-
2009
- 2009-01-22 CN CNU2009201262330U patent/CN201345001Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388588A (en) * | 2010-07-15 | 2016-03-09 | Lg伊诺特有限公司 | Super wide angle optical lens system |
| US10732385B2 (en) | 2010-07-15 | 2020-08-04 | Lg Innotek Co., Ltd. | Super wide angle optical lens system |
| CN102062940A (en) * | 2010-11-05 | 2011-05-18 | 西交利物浦大学 | Universal electronic ocular device |
| CN102062940B (en) * | 2010-11-05 | 2012-06-27 | 西交利物浦大学 | Universal electronic ocular device |
| CN102360118A (en) * | 2011-10-27 | 2012-02-22 | 昆明晶华光学有限公司 | Super-wide-angle eyepiece optical system |
| CN102360118B (en) * | 2011-10-27 | 2014-03-05 | 昆明晶华光学有限公司 | Super-wide-angle eyepiece optical system |
| CN104808332A (en) * | 2015-05-11 | 2015-07-29 | 中山联合光电科技股份有限公司 | High-resolution and automatic-focusing electron microscope eyepiece system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20140122 |