CN106154499B - Ultra-large aperture industrial lens and its working method - Google Patents
Ultra-large aperture industrial lens and its working method Download PDFInfo
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- CN106154499B CN106154499B CN201610723471.4A CN201610723471A CN106154499B CN 106154499 B CN106154499 B CN 106154499B CN 201610723471 A CN201610723471 A CN 201610723471A CN 106154499 B CN106154499 B CN 106154499B
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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
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/0075—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having an element with variable optical properties
-
- 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
- G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
-
- 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
- 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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
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- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The present invention relates to a kind of ultra-large aperture industrial lens, including along preceding group of A, the iris diaphgram C that light incident direction is set gradually and after organize B, group A includes negative crescent moon lens A-1, plano-concave lens A-2, positive crescent moon lens A-3, biconvex lens A-4, positive crescent moon lens A-5, negative crescent moon lens A-6, biconcave lens A-7 and biconvex lens A-8 gluing unit, plano-convex lens A-9 and the plano-convex lens A-10 set gradually along light incident direction before described, and it includes positive crescent moon lens B-1 that B is organized after described；The invention further relates to a kind of working methods of ultra-large aperture industrial lens.Structure of the invention design is reasonable, super large f/0.85 in aperture of the present invention, can be to object at clearly as big target surface under low light environment, the size of detector is 4/3 inch, it is bigger to the range of object imaging under the conditions of identical object distance, wide object distance, by the way of grouping focusing, can object to 200mm to infinity at sharply defined image, the present invention distorts less than 2%, and pixel is greater than 5,000,000.
Description
Technical field
The present invention relates to a kind of ultra-large aperture industrial lens and its working methods.
Background technique
With extensive use of the NI Vision Builder for Automated Inspection in automated production, the various works for playing imaging to machine vision
Industry camera lens comes into being.Most industrial lens are limited to the demand of light passing amount, require under conditions of good illumination
Can at clearly as.But some objects be cannot be in bright environment, at this time because luminous flux is insufficient, the work in general aperture
Industry camera lens just can not be to object at sharply defined image.The camera lens of large aperture can be to the lower object of illumination at clearly as but aperture is got over
Big aberration is bigger, and design difficulty is also bigger.So the aperture of industrial lens on the market is f/2.0, f/1.8 mostly now
And f/1.4's, f/1.0 is all rarely found.
Summary of the invention
In view of the deficiencies in the prior art, technical problem to be solved by the invention is to provide a kind of ultra-large aperture industrial lens
And its working method, it is not only reasonable in design but also efficiently convenient.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of ultra-large aperture industrial lens, including along light
Preceding group of A, iris diaphgram C that line incident direction is set gradually and after organize B, it is described before group A include along light incident direction successively
Negative crescent moon lens A-1, plano-concave lens A-2, positive crescent moon lens A-3, biconvex lens A-4, the positive crescent moon lens A-5, the negative moon being arranged
Tooth lens A-6, biconcave lens A-7 and biconvex lens A-8 gluing unit, plano-convex lens A-9 and plano-convex lens A-10, the rear group
B includes positive crescent moon lens B-1.
Preferably, the airspace between the preceding group A and rear group B is regulated quantity, between this adjusting of infinity object distance
Every being 2.1mm, to 200mm object distance, this control interval is 8.1mm.
Preferably, between the negative crescent moon lens A-1 and plano-concave lens A-2, plano-concave lens A-2 and positive crescent moon lens A-3
Between be that edge is close to each other, center is located remotely from each other, between the positive crescent moon lens A-3 and biconvex lens A-4, biconvex lens
Between A-4 and positive crescent moon lens A-5, between biconvex lens A-8 and plano-convex lens A-9 and plano-convex lens A-9 and plano-convex lens
Between A-10 centered on close to each other, edge be located remotely from each other, both any place close to each other still has interval, and interval is
0.1mm；Be between the negative crescent moon lens A-6 and diaphragm C, between diaphragm C and biconcave lens A-7 edge it is close to each other, in
The heart is located remotely from each other, and 1.9mm, the diaphragm C and biconcave lens are divided between the edge between the negative crescent moon lens A-6 and diaphragm C
2.1mm is divided between edge between A-7.
It preferably, also include hand operated focalizing mechanism and manual light bar mechanism.
Preferably, the negative crescent moon lens A-1, plano-concave lens A-2, positive crescent moon lens A-3, biconvex lens A-4, positive crescent moon
Lens A-5 and negative crescent moon lens A-6 is successively set in preceding group lens barrel and is compressed with preceding group of pressing ring, the plano-concave lens A-2
It is provided with BC spacer ring between positive crescent moon lens A-3, is provided with CD spacer ring between the positive crescent moon lens A-3 and biconvex lens A-4,
DE spacer ring, the positive crescent moon lens A-5 and negative crescent moon lens are provided between the biconvex lens A-4 and positive crescent moon lens A-5
EF spacer ring is provided between A-6；The biconcave lens A-7, biconvex lens A-8, plano-convex lens A-9 and plano-convex lens A-10 according to
It is secondary to be set in sequence in rear group lens barrel and organize after using pressing ring compression, it is provided between the biconvex lens A-8 and plano-convex lens A-9
HI spacer ring is provided with IJ spacer ring between the plano-convex lens A-9 and plano-convex lens A-10.
Preferably, it is arranged with body tube outside the preceding group lens barrel and rear group lens barrel, modification ring set is used in combination on focusing cam
Screw locking, the trimming loop and focusing cam are located at outside body tube by camlock snare, are opened up on the focusing cam
There is focusing curve slot, focusing straight trough is offered on the body tube, focusing guide pin one end is fixedly connected with preceding group lens barrel, the tune
The other end of burnt guide pin passes through focusing straight trough and is slidably connected with focusing curve slot, and the adjusting cam rotation, which drives, states focusing guide pin
Sliding is on focusing curve slot to drive preceding group lens barrel along focusing straight trough linear motion.
Preferably, light bar component is provided between the preceding group lens barrel and rear group lens barrel, the light bar component includes light bar
Rotating ring and light bar adjust ring, and the light bar rotating ring is arranged in preceding group lens barrel through snap ring, and the light bar adjusts ring and sets through attachment base
It sets on body tube, the light bar rotating ring locking has light bar to dial nail, and the light bar group nail other end is placed in light bar and adjusts in ring
Straight trough on be slidably connected with it.
Preferably, the positive crescent moon lens B-1 is arranged in attachment base and is compressed with attachment base pressing ring.
A kind of working method of ultra-large aperture industrial lens, including any one ultra-large aperture industry mirror described above
Head comprising the steps of: light sequence is imaged into preceding group of A, iris diaphgram C and rear group B.
Compared with prior art, the invention has the following advantages: structure of the invention design rationally, reduces light and passes through
Incident angle when eyeglass, it can greatly reduce spherical aberration, coma and astigmatism；The present invention is using grouping focusing, and grouping focusing is more
Be beneficial to reduce object distance coma, make camera lens in biggish object distance range can at clearly as；Super large f/ in aperture of the present invention
0.85, it can be to object at clearly as big target surface, the size of detector is 4/3 inch, identical under low light environment
Bigger to the range of object imaging under the conditions of object distance, wide object distance can arrive infinity to 200mm by the way of grouping focusing
Object is at sharply defined image, and the present invention distorts less than 2%, and pixel is greater than 5,000,000.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is the light path schematic diagram of the embodiment of the present invention.
Fig. 2 is the organigram of the embodiment of the present invention.
In figure: organizing A before A-, positive crescent moon lens A-3, the A 4- of negative crescent moon lens A-1, A2- plano-concave lens A-2, the A 3- of A1- is bis-
Negative crescent moon lens A-6, A7- biconcave lens A-7, the A 8- biconvex lens A-8 of positive crescent moon lens A-5, the A 6- of convex lens A-4, A 5-,
B is organized before A 9- plano-convex lens A-9, A 10- plano-convex lens A-10, B-, before positive crescent moon lens B-1, the C- iris diaphgram C, 11- of B1-
Group lens barrel, organizes pressing ring before 12-, 13-BC spacer ring, 14-CD spacer ring, 15-DE spacer ring, 16-EF spacer ring, 17- rear group lens barrel, after 18-
Group pressing ring, 19-HI spacer ring, 20-IJ spacer ring, 21- body tube, 22- trimming loop, 23- focusing cam, 24- cam lock collar, 25-
Focusing guide pin, 26- light bar rotating ring, 27- light bar adjust ring, and 28- snap ring, 29- attachment base, 30- light bar, which is dialled, follows closely, 31- attachment base pressure
Circle.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
Carefully it is described as follows.
As shown in Figure 1 and 2, a kind of ultra-large aperture industrial lens, including set gradually along light incident direction preceding group of A, can
Darkening door screen C and after organize B, it is described before group A include negative crescent moon lens A-1, the plano-concave lens set gradually along light incident direction
A-2, positive crescent moon lens A-3, biconvex lens A-4, positive crescent moon lens A-5, negative crescent moon lens A-6, biconcave lens A-7 and lenticular
Mirror A-8 gluing unit, plano-convex lens A-9 and plano-convex lens A-10, it includes positive crescent moon lens B-1 that B is organized after described.
In embodiments of the present invention, the airspace between the preceding group A and rear group B is regulated quantity, to infinity object distance
This control interval is 2.1mm, and to 200mm object distance, this control interval is 8.1mm.
In embodiments of the present invention, between the negative crescent moon lens A-1 and plano-concave lens A-2, plano-concave lens A-2 and the first month of the lunar year
Be that edge is close to each other, center is located remotely from each other between tooth lens A-3, the positive crescent moon lens A-3 and biconvex lens A-4 it
Between, between biconvex lens A-4 and positive crescent moon lens A-5, between biconvex lens A-8 and plano-convex lens A-9 and plano-convex lens A-9
Between plano-convex lens A-10 centered on close to each other, edge be located remotely from each other, between both any place close to each other still has
Every interval is 0.1mm；Between the negative crescent moon lens A-6 and diaphragm C, between diaphragm C and biconcave lens A-7 be edge
Close to each other, center is located remotely from each other, and 1.9mm, the diaphragm C are divided between the edge between the negative crescent moon lens A-6 and diaphragm C
2.1mm is divided between edge between biconcave lens A-7.
It in embodiments of the present invention, also include hand operated focalizing mechanism and manual light bar mechanism.
In embodiments of the present invention, the negative crescent moon lens A-1, plano-concave lens A-2, positive crescent moon lens A-3, biconvex lens
A-4, positive crescent moon lens A-5 and negative crescent moon lens A-6 are successively set in sequence in preceding group lens barrel 11 and are pressed with preceding group of pressing ring 12
Tightly, BC spacer ring 13, the positive crescent moon lens A-3 and lenticular are provided between the plano-concave lens A-2 and positive crescent moon lens A-3
Be provided with CD spacer ring 14 between mirror A-4, be provided with DE spacer ring 15 between the biconvex lens A-4 and positive crescent moon lens A-5, it is described just
EF spacer ring 16 is provided between crescent moon lens A-5 and negative crescent moon lens A-6；The biconcave lens A-7, biconvex lens A-8, plano-convex
Lens A-9 and plano-convex lens A-10 is successively set in sequence in rear group lens barrel 17 and group pressing ring 18 compresses after using, the biconvex
It is provided with HI spacer ring 19 between lens A-8 and plano-convex lens A-9, is arranged between the plano-convex lens A-9 and plano-convex lens A-10
There is IJ spacer ring 20.
In embodiments of the present invention, body tube 21, trimming loop 22 are arranged with outside the preceding group lens barrel 11 and rear group lens barrel 17
It covers on focusing cam 23 and is locked with screw, the trimming loop 22 is set in master by cam lock collar 24 with focusing cam 23
Outside lens barrel 21, focusing curve slot is offered on the focusing cam 23, offers focusing straight trough on the body tube 21, focusing is led
It follows closely 25 one end to be fixedly connected with preceding group lens barrel 11, the other end of the focusing guide pin 25 passes through focusing straight trough and focusing curve slot is sliding
Dynamic connection, the adjusting cam rotation drive state focusing guide pin 25 and slide to drive 11 edge of preceding group lens barrel on focusing curve slot
Focusing straight trough linear motion.
In embodiments of the present invention, light bar component, the light are provided between the preceding group lens barrel 11 and rear group lens barrel 17
Column component includes light bar rotating ring 26 and light bar adjusts ring 27, and the light bar rotating ring 26 is arranged in preceding group lens barrel 11 through snap ring 28,
The light bar adjusts ring 27 and is arranged on body tube 21 through attachment base 29, and the locking of light bar rotating ring 26 has light bar to dial nail 30, institute
It states and is slidably connected on the straight trough that light bar group 30 other ends of nail are placed in light bar adjusting ring 27 with it；The light bar adjusts 27 turns of ring
It moves to change light bar bore.
In embodiments of the present invention, the positive crescent moon lens B-1 is arranged in attachment base 29 and is pressed with attachment base pressing ring 31
Tightly.
In embodiments of the present invention, a kind of working method of ultra-large aperture industrial lens, including described above any one
Kind ultra-large aperture industrial lens comprising the steps of: light sequence is imaged into preceding group of A, iris diaphgram C and rear group B.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are each under the inspiration of the present invention
The ultra-large aperture industrial lens and its working method of kind form.All equivalent changes done according to scope of the present invention patent with repair
Decorations, are all covered by the present invention.
Claims (7)
1. a kind of ultra-large aperture industrial lens, it is characterised in that: including the preceding group of A, variable set gradually along light incident direction
Diaphragm C and after organize B, it is described before group A include negative crescent moon lens A-1, the plano-concave lens A- set gradually along light incident direction
2, positive crescent moon lens A-3, biconvex lens A-4, positive crescent moon lens A-5, negative crescent moon lens A-6, biconcave lens A-7 and biconvex lens
A-8 gluing unit, plano-convex lens A-9 and plano-convex lens A-10, it includes positive crescent moon lens B-1 that B is organized after described；It is described before group A with
The airspace organized between B afterwards is regulated quantity, and to infinity object distance, this control interval is 2.1mm, to this tune of 200mm object distance
Septa intersegmental is 8.1mm；Between the negative crescent moon lens A-1 and plano-concave lens A-2, plano-concave lens A-2 and positive crescent moon lens A-3 it
Between be that edge is close to each other, center is located remotely from each other, between the positive crescent moon lens A-3 and biconvex lens A-4, biconvex lens A-
Between 4 and positive crescent moon lens A-5, between biconvex lens A-8 and plano-convex lens A-9 and plano-convex lens A-9 and plano-convex lens A-
Between 10 centered on close to each other, edge be located remotely from each other, both any place close to each other still has interval, and interval is
0.1mm；Be between the negative crescent moon lens A-6 and diaphragm C, between diaphragm C and biconcave lens A-7 edge it is close to each other, in
The heart is located remotely from each other, and the diaphragm C is arranged between negative crescent moon lens A-6 and biconcave lens A-7, the negative crescent moon lens A-6 with
It is divided into 1.9mm between edge between diaphragm C, is divided into 2.1mm between the edge between the diaphragm C and biconcave lens A-7.
2. ultra-large aperture industrial lens according to claim 1, it is characterised in that: also comprising hand operated focalizing mechanism and manually
Light bar mechanism.
3. ultra-large aperture industrial lens according to claim 1, it is characterised in that: the negative crescent moon lens A-1, plano-concave are saturating
Mirror A-2, positive crescent moon lens A-3, biconvex lens A-4, positive crescent moon lens A-5 and negative crescent moon lens A-6 are successively set on preceding group
It is compressed in lens barrel and with preceding group of pressing ring, is provided with BC spacer ring, the first month of the lunar year between the plano-concave lens A-2 and positive crescent moon lens A-3
It is provided with CD spacer ring between tooth lens A-3 and biconvex lens A-4, is provided between the biconvex lens A-4 and positive crescent moon lens A-5
DE spacer ring is provided with EF spacer ring between the positive crescent moon lens A-5 and negative crescent moon lens A-6；The biconcave lens A-7, biconvex
Lens A-8, plano-convex lens A-9 and plano-convex lens A-10 are successively set in sequence in rear group lens barrel and group pressing ring compresses after using,
Be provided with HI spacer ring between the biconvex lens A-8 and plano-convex lens A-9, the plano-convex lens A-9 and plano-convex lens A-10 it
Between be provided with IJ spacer ring.
4. ultra-large aperture industrial lens according to claim 3, it is characterised in that: outside the preceding group lens barrel and rear group lens barrel
It is arranged with body tube, modification ring set is locked on focusing cam and with screw, and the trimming loop and focusing cam pass through cam lock
Collar is set in outside body tube, and focusing curve slot is offered on the focusing cam, focusing straight trough is offered on the body tube,
Focusing guide pin one end is fixedly connected with preceding group lens barrel, and the other end of the focusing guide pin passes through focusing straight trough and focusing curve slot is sliding
Dynamic connection, the focusing cam rotation drive state focusing guide pin and slide to drive preceding group lens barrel along tune on focusing curve slot
Burnt straight trough linear motion.
5. ultra-large aperture industrial lens according to claim 3, it is characterised in that: the preceding group lens barrel and rear group lens barrel it
Between be provided with light bar component, the light bar component includes that light bar rotating ring and light bar adjust ring, and the light bar rotating ring is arranged through snap ring
In preceding group lens barrel, the light bar adjusts ring and is arranged on body tube through attachment base, and the light bar rotating ring locking has light bar to dial nail,
The light bar, which is dialled, to be slidably connected on the straight trough that the nail other end is placed in light bar adjusting ring with it.
6. ultra-large aperture industrial lens according to claim 1, it is characterised in that: the positive crescent moon lens B-1 setting exists
It is compressed in attachment base and with attachment base pressing ring.
7. a kind of working method of ultra-large aperture industrial lens, which is characterized in that including as described in claim 1 ~ 6 any one
A kind of ultra-large aperture industrial lens comprising the steps of: light sequence enters preceding group of A, iris diaphgram C and rear group B is carried out
Imaging.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723471.4A CN106154499B (en) | 2016-08-26 | 2016-08-26 | Ultra-large aperture industrial lens and its working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723471.4A CN106154499B (en) | 2016-08-26 | 2016-08-26 | Ultra-large aperture industrial lens and its working method |
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| CN106154499A CN106154499A (en) | 2016-11-23 |
| CN106154499B true CN106154499B (en) | 2019-07-26 |
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| CN201610723471.4A Active CN106154499B (en) | 2016-08-26 | 2016-08-26 | Ultra-large aperture industrial lens and its working method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180068585A (en) * | 2016-12-14 | 2018-06-22 | 삼성전자주식회사 | Optical lens assembly and method of forming an image using the same |
| CN109814225B (en) * | 2019-01-28 | 2024-07-02 | 东莞敏威光电科技有限公司 | Industrial detection cone optical lens and imaging detection method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101063743A (en) * | 2007-04-29 | 2007-10-31 | 上海微电子装备有限公司 | Full refraction projection optical system |
| CN105467566A (en) * | 2016-01-07 | 2016-04-06 | 东莞市宇瞳光学科技股份有限公司 | Large-aperture wide-angle zoom lens |
| CN206096592U (en) * | 2016-08-26 | 2017-04-12 | 福建福光股份有限公司 | Super large aperture industry camera lens |
-
2016
- 2016-08-26 CN CN201610723471.4A patent/CN106154499B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101063743A (en) * | 2007-04-29 | 2007-10-31 | 上海微电子装备有限公司 | Full refraction projection optical system |
| CN105467566A (en) * | 2016-01-07 | 2016-04-06 | 东莞市宇瞳光学科技股份有限公司 | Large-aperture wide-angle zoom lens |
| CN206096592U (en) * | 2016-08-26 | 2017-04-12 | 福建福光股份有限公司 | Super large aperture industry camera lens |
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| CN106154499A (en) | 2016-11-23 |
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