CN109491067A - 10 times of operating distance object lens of wide view field microscope - Google Patents
10 times of operating distance object lens of wide view field microscope Download PDFInfo
- Publication number
- CN109491067A CN109491067A CN201811593006.9A CN201811593006A CN109491067A CN 109491067 A CN109491067 A CN 109491067A CN 201811593006 A CN201811593006 A CN 201811593006A CN 109491067 A CN109491067 A CN 109491067A
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- lens
- convex surface
- spherical radius
- millimeters
- view field
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
Abstract
The invention discloses a kind of 10 times of operating distance object lens of wide view field microscope, the lens barrel of canister portion is placed including being equipped with eyeglass, it is placed in canister portion in eyeglass and is successively arranged the first lens from image side to object space side, second lens and lens gluing unit, first lens are the positive lens being arranged in bent moon, second lens are the positive lens being arranged in biconvex, lens gluing unit is the gluing unit with positive light coke, it is formed by the third lens and the 4th lens gluing, 4th lens are the negative lens being arranged in bent moon, the first spacer ring is equipped between the first lens and the second lens, first spacer ring is equipped with the cone hole part abutted against with the convex surface of the first lens in image side；The second spacer ring is equipped between the second lens and lens gluing unit, eyeglass places canister portion and is equipped with the pressing ring abutted against with the 4th lens in the object space side of lens gluing unit.Compared with the prior art, the present invention the problem of poor definition being imaged can easily occur with 10 times of operating distance object lens of wide view field microscope in use.
Description
Technical field
The present invention relates to wide view field microscope manufacturing technology field, especially a kind of 10 times of objects for wide view field microscope
Mirror.
Background technique
Wide view field microscope is a kind of novel microscope that visual field is wide, is widely used in biological dissection, electronics industry, mine
The fields such as object research.In wide view field microscope, microscopical amplification depends primarily on object lens, and the quality of object lens quality is straight
Connecing influences microscope imaging quality, it is the main component for determining microscopical resolution ratio and imaging clearly degree.Object lens are light
An important component for learning visual instrument has a kind of 10 times of operating distance object lens of wide view field microscope, this 10 times work
Include the lens barrel for placing canister portion equipped with eyeglass apart from object lens, a variety of eyeglasses is equipped in the placement canister portion, in eyeglass and eyeglass
Between be equipped with spacer ring, the spacer ring be circular ring shape.10 times of operating distance object lens of this wide view field microscope are easy in use
There is the problem of poor definition being imaged, needs often to debug, to influence the work quality of observer.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of 10 times of operating distance object lens of wide view field microscope, to regard greatly
Easily there is the problem of poor definition being imaged in use in field 10 times of operating distance object lens of microscope.
The technical proposal for solving the technical problem of the invention are as follows: 10 times of operating distance objects of this wide view field microscope
Mirror places the lens barrel of canister portion including being equipped with eyeglass, it is characterised in that: places in canister portion in the eyeglass from image side to object space side
It is successively arranged the first lens, the second lens and lens gluing unit, first lens are the negative lens being arranged in bent moon, concave surface court
To image space, convex surface is towards object space；Second lens are the positive lens being arranged in biconvex, and the small convex surface of spherical radius is towards object
Side, the big convex surface of spherical radius is towards image space；The lens gluing unit be the gluing unit with positive light coke, by the third lens with
4th lens gluing forms, and the third lens are the positive lens being arranged in biconvex, and the small convex surface of spherical radius is cemented surface, ball
The big convex surface of radius surface is towards image space；4th lens are the negative lens being arranged in bent moon, and concave surface is cemented surface, convex surface direction
Object space；
The first spacer ring is equipped between first lens and second lens, first spacer ring is equipped with and institute in image side
State the cone hole part that the convex surface of the first lens abuts against；Between second lens and the lens gluing unit be equipped with second every
Circle, the eyeglass place canister portion and are equipped with the pressing ring abutted against with the 4th lens in the object space side of the lens gluing unit.
In 10 times of operating distance object lens technical solutions of above-mentioned wide view field microscope, more specific technical solution be may also is that
The distance between the convex surface of first lens and the convex surface of image side of second lens are 0.6 millimeter, and described second thoroughly
The distance between convex surface and the convex surface of image side of the third lens of the object space side of mirror are 1.5 millimeters.
It is further: the spherical radius R6b on the convex surface of first lens be 19.283 millimeters, first lens it is recessed
The spherical radius R6a in face is 14.997 millimeters；The spherical radius R4b on the small convex surface of the spherical radius of second lens is
101.4 millimeters, the spherical radius R4a on the big convex surface of the spherical radius of second lens is -194.203 millimeters；The third
The spherical radius R21b on the small convex surface of the spherical radius of lens is 29.427 millimeters, big convex of the spherical radius of the third lens
The spherical radius R21a in face is -55.59 millimeters；The spherical radius R22a of the concave surface of 4th lens is 29.427 millimeters, institute
The spherical radius R22b for stating the convex surface of the 4th lens is 139.316 millimeters.
Further: the lens barrel is equipped in image side and places the barrel that canister portion is connected to the eyeglass, in the cylinder
Body portion and the eyeglass place the partition between canister portion and are equipped with sight vane.
Further: the cone angle of the cone hole part of first spacer ring is 100 °~101 °.
Further: the inner ring of first spacer ring, second spacer ring and the pressing ring is all larger than the sight vane
Diameter.
By adopting the above-described technical solution, compared with prior art, the present invention has the following advantages: 1, due to
One spacer ring is equipped with the cone hole part abutted against with the convex surface of the first lens in image side, makes the convex surface of the first spacer ring and the first lens
Contact is face contact rather than line contacts, and observer is more convenient for debugging, and avoids the clarity for easily occurring being imaged in use process
The problem of difference, improves work quality；Taper hole only is equipped with close to the convex surface 6b of the relatively protrusion of the first lens in the first spacer ring 5 simultaneously
Portion makes part have good processing technology while also for debugging；2, since this 10 times of operating distance object lens are in mirror
Piece is placed in canister portion and is successively arranged the first lens, the second lens and lens gluing unit and its respective from image side to object space side
The apolegamy of technical parameter is so that wide view field microscope has the characteristics that operating distance is long, image space is big.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram of optical system of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the first lens of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the second lens of the embodiment of the present invention.
Fig. 5 is the structural schematic diagram of the third lens of the embodiment of the present invention.
Fig. 6 is the structural schematic diagram of the 4th lens of the embodiment of the present invention.
Fig. 7 is the structural schematic diagram of the first spacer ring of the embodiment of the present invention.
Fig. 8 is the structural schematic diagram of the second spacer ring of the embodiment of the present invention.
Fig. 9 is the structural schematic diagram of the lens barrel of the embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described:
Embodiment 1:
10 times of operating distance object lens of the wide view field microscope shown as required by Fig. 1 to Fig. 2 include the mirror that canister portion 71 is placed equipped with eyeglass
Cylinder 7, the lens barrel 7 of the present embodiment is equipped in image side places the barrel 73 that canister portion 71 is connected to eyeglass, in barrel 73 and mirror
Piece places the partition 72 between canister portion 71 and is equipped with a sight vane, as shown in Figure 9；It places in canister portion 71 in eyeglass from image side
The first lens 6, the second lens 4 and lens gluing unit 2 are successively arranged to object space side；First lens 6 of the present embodiment are in bent moon
The negative lens of setting, the concave surface 6a of the first lens 6 is towards image space, and convex surface 6b is towards object space；The spherical surface of the convex surface 6b of first lens 6
Radius R6b is 19.283 millimeters, and the spherical radius R6a of the concave surface 6a of the first lens is 14.997 millimeters；Second lens 5 are in double
The positive lens that projection is set, spherical radius R4b small convex surface 4b is towards object space, and spherical radius R4a big convex surface 4a is towards image space；The
The spherical radius R4b of the small convex surface 4b of the spherical radius of two lens 4 is 101.4 millimeters, big convex of the spherical radius of the second lens 4
The spherical radius R4a of face 4a is -194.203 millimeters；Lens gluing unit 2 be the gluing unit with positive light coke, the gluing unit by
The third lens 21 are formed with 22 gluing of the 4th lens, and the third lens 21 are the positive lens being arranged in biconvex, and spherical radius R21b is small
Convex surface 21b be cemented surface, spherical radius R21a big convex surface 21a is towards image space；Small convex of the spherical radius of the third lens 21
The spherical radius R21b of face 21b is 29.427 millimeters, the spherical radius R21a of the big convex surface 21a of the spherical radius of the third lens 21
It is -55.59 millimeters；4th lens 22 are the negative lens being arranged in bent moon, and concave surface is cemented surface, and convex surface is towards object space；4th thoroughly
The spherical radius R22a of the concave surface 22a of mirror 22 is 29.427 millimeters, and the spherical radius R22b of the convex surface 22b of the 4th lens 22 is
139.316 millimeters, as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6；The convex surface 6b of first lens 6 of the present embodiment and the picture of the second lens 4
The distance between the convex surface 4a of square side L1 is 0.6 millimeter, the convex surface 4b of the object space side of the second lens 4 and the image space of the third lens 21
The distance between the convex surface 21a of side L2 is 1.5 millimeters；The present embodiment between the first lens 6 and the second lens 4 be equipped with first every
Circle 5, the first spacer ring 5 are equipped with the cone hole part abutted against with the convex surface 6b of the first lens 6, first spacer ring of the present embodiment in image side
The cone angle m of 5 cone hole part is 100 °, as shown in fig. 7, just because of the first spacer ring 5 is equipped with the convex surface with the first lens 6 in image side
The cone hole part that 6b is abutted against, makes the first spacer ring 5 be face contact with the contact of the convex surface 6b of the first lens 6 rather than line contacts, and sees
The person of examining is more convenient for debugging, and avoids and easily occurs the problem of poor definition being imaged in use process, improves work quality；And only
It is equipped with cone hole part close to the convex surface 6b of the relatively protrusion of the first lens in the first spacer ring 5, while also for debugging, has part
There is good processing technology；The second spacer ring 3 is equipped between the second lens 4 and lens gluing unit 2, as shown in Figure 8；In lens
The eyeglass of the object space side of gluing unit 2 places 71 end of canister portion and is equipped with the pressing ring 1 abutted against with the 4th lens 22；First spacer ring 6,
The inner ring of two spacer rings 4 and pressing ring 1 is all larger than the diameter of the sight vane on the partition 72 of barrel 73 so that by the first spacer ring 6,
Second spacer ring 4 and pressing ring 1 carry out general assembly to the first lens 6, the second lens 4 and lens gluing unit 2 or will not injure this when adjusting
The working face of a little lens.
Embodiment 2:
The cone angle m of the cone hole part of first spacer ring 5 is 101 °, other are same as Example 1.
The first lens, the second lens and lens glue are successively arranged from image side to object space side due to placing in canister portion in eyeglass
It is combined, the first lens are the positive lens being arranged in bent moon, and concave surface is towards image space, and convex surface is towards object space；Second lens are in biconvex
The negative lens of setting, the small convex surface of spherical radius is towards object space, and the big convex surface of spherical radius is towards image space；Lens gluing unit is tool
There is the gluing unit of positive light coke, is formed by the third lens and the 4th lens gluing, the third lens are the positive lens being arranged in biconvex,
The small convex surface of spherical radius is cemented surface, and the big convex surface of spherical radius is towards image space；4th lens are negative to be arranged in bent moon
Mirror, concave surface are cemented surface, and towards the apolegamy of object space, so that wide view field microscope has, operating distance is long, image space is big on convex surface
Feature.
Claims (6)
1. a kind of 10 times of operating distance object lens of wide view field microscope place the lens barrel of canister portion including being equipped with eyeglass, it is characterised in that:
It is placed in canister portion in the eyeglass and is successively arranged the first lens, the second lens and lens gluing unit, institute from image side to object space side
Stating the first lens is the negative lens being arranged in bent moon, and concave surface is towards image space, and convex surface is towards object space；Second lens are in biconvex
The positive lens of setting, the small convex surface of spherical radius is towards object space, and the big convex surface of spherical radius is towards image space；The lens gluing unit
It for the gluing unit with positive light coke, is formed by the third lens and the 4th lens gluing, the third lens are to be arranged in biconvex
Positive lens, the small convex surface of spherical radius is cemented surface, and the big convex surface of spherical radius is towards image space；4th lens are in curved
The negative lens of month setting, concave surface is cemented surface, and convex surface is towards object space；
The first spacer ring is equipped between first lens and second lens, first spacer ring is equipped with and institute in image side
State the cone hole part that the convex surface of the first lens abuts against；Between second lens and the lens gluing unit be equipped with second every
Circle, the eyeglass place canister portion and are equipped with the pressing ring abutted against with the 4th lens in the object space side of the lens gluing unit.
2. 10 times of operating distance object lens of wide view field microscope according to claim 1, it is characterised in that: first lens
Convex surface and the distance between the convex surfaces of image side of second lens be 0.6 millimeter, the object space side of second lens
The distance between convex surface and the convex surface of image side of the third lens are 1.5 millimeters.
3. 10 times of operating distance object lens of wide view field microscope according to claim 1 or 2, it is characterised in that: described first
The spherical radius (R6b) on the convex surface of lens is 19.283 millimeters, and the spherical radius (R6a) of the concave surface of first lens is
14.997 millimeters；The spherical radius (R4b) on the small convex surface of the spherical radius of second lens be 101.4 millimeters, described second
The spherical radius (R4a) on the big convex surface of the spherical radius of lens is -194.203 millimeters；The spherical radius of the third lens is small
Convex surface spherical radius (R21b) be 29.427 millimeters, the spherical radius on the big convex surface of the spherical radius of the third lens
It (R21a) is -55.59 millimeters；The spherical radius (R22a) of the concave surface of 4th lens is 29.427 millimeters, and the described 4th thoroughly
The spherical radius (R22b) on the convex surface of mirror is 139.316 millimeters.
4. 10 times of operating distance object lens of wide view field microscope according to claim 3, it is characterised in that: the lens barrel is in picture
Square side, which is equipped with, places the barrel that be connected to of canister portion with the eyeglass, between the barrel and eyeglass placement canister portion every
Plate is equipped with sight vane.
5. 10 times of operating distance object lens of wide view field microscope according to claim 4, it is characterised in that: first spacer ring
Cone hole part cone angle be 100 °~101 °.
6. 10 times of operating distance object lens of wide view field microscope according to claim 5, it is characterised in that: described first every
The inner ring of circle, second spacer ring and the pressing ring is all larger than the diameter of the sight vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593006.9A CN109491067B (en) | 2018-12-25 | 2018-12-25 | 10-time working distance objective lens of large-field microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593006.9A CN109491067B (en) | 2018-12-25 | 2018-12-25 | 10-time working distance objective lens of large-field microscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109491067A true CN109491067A (en) | 2019-03-19 |
| CN109491067B CN109491067B (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811593006.9A Active CN109491067B (en) | 2018-12-25 | 2018-12-25 | 10-time working distance objective lens of large-field microscope |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831169Y (en) * | 2005-11-14 | 2006-10-25 | 麦克奥迪实业集团有限公司 | Lens centering structure of microscope objective |
| CN105022141A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | Oil-free long work distance object lens |
| CN105022149A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | 25 times long work distance flat fielding achromatic objective lens |
| CN205844614U (en) * | 2016-07-29 | 2016-12-28 | 南京恒磊光学技术研究有限公司 | A kind of large-numerical aperture, the microscope objective of long reach |
| JP2017037276A (en) * | 2015-08-14 | 2017-02-16 | キヤノン電子株式会社 | Microscope objective lens |
| CN106597638A (en) * | 2016-12-19 | 2017-04-26 | 福建福光股份有限公司 | Wide spectrum low light camera lens with ultra large aperture |
-
2018
- 2018-12-25 CN CN201811593006.9A patent/CN109491067B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831169Y (en) * | 2005-11-14 | 2006-10-25 | 麦克奥迪实业集团有限公司 | Lens centering structure of microscope objective |
| CN105022141A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | Oil-free long work distance object lens |
| CN105022149A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | 25 times long work distance flat fielding achromatic objective lens |
| JP2017037276A (en) * | 2015-08-14 | 2017-02-16 | キヤノン電子株式会社 | Microscope objective lens |
| CN205844614U (en) * | 2016-07-29 | 2016-12-28 | 南京恒磊光学技术研究有限公司 | A kind of large-numerical aperture, the microscope objective of long reach |
| CN106597638A (en) * | 2016-12-19 | 2017-04-26 | 福建福光股份有限公司 | Wide spectrum low light camera lens with ultra large aperture |
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| CN109491067B (en) | 2021-02-19 |
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