CN106526781A - High magnification optical zoom lens - Google Patents
High magnification optical zoom lens Download PDFInfo
- Publication number
- CN106526781A CN106526781A CN201611258207.4A CN201611258207A CN106526781A CN 106526781 A CN106526781 A CN 106526781A CN 201611258207 A CN201611258207 A CN 201611258207A CN 106526781 A CN106526781 A CN 106526781A
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- China
- Prior art keywords
- microscope group
- chute
- group module
- lens barrel
- high magnification
- 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.)
- Pending
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- 230000003287 optical effect Effects 0.000 title abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The invention discloses a high magnification optical zoom lens which comprises a lens body which comprises at least one group of lens group modules which are slidingly arranged on the lens body and a zoom driving mechanism which can drive the lens group modules to move. The zoom driving mechanism comprises a rotating driving mechanism and a rotation piece driven by the rotating driving mechanism. The rotating piece is provided with sliding grooves corresponding to the lens group modules. The lens group modules are provided with sliding pins capable of extending into the sliding grooves. When the rotating piece is rotated, the sliding grooves and the sliding pins slide relatively and the lens group modules are driven by the sliding pins to carry out sliding zooming, the structure is simple and reasonable, the optical design is simple, the production is easy, the manufacture cost can be reduced, the adjustment of a focal distance can be realized through adjusting the inclination of the sliding grooves, the stepless and segmentless regulation is achieved, the zoom ratio is large and can be larger than 5.5 times, at the same time the visual angle switch of a large range can be realized, and the shooting requirements of telephoto and wide angle are satisfied.
Description
Technical field
The present invention relates to a kind of photographic goods, particularly a kind of high magnification Zoom optic lens.
Background technology
Camera, video camera etc. are taken pictures or video recording equipment would generally be equipped with camera lens, except it is special focus photographing request in addition to, lead to
Varifocal zoom lens can be often equipped with, to adjust the multiplying power and imaging angle of zoom, zoom lens common at present is to adopt to turn mostly
Rotating ring and spiral fluted coordinate to be realized, driving means it is built-in with swivel becket in, complex structure, high cost, assembling difficulty are big.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of simple structure, the high magnification optics of low cost of manufacture
Zoom lens.
The technical solution adopted for the present invention to solve the technical problems is：
High magnification Zoom optic lens, including camera lens body, what the camera lens body included least one set are slidably arranged in camera lens
Microscope group module on body and the zoom drive mechanism that microscope group module moves, the zoom drive mechanism can be driven to include one turn
Dynamic driving means and a tumbler driven by device of rotation driving, offer cunning corresponding with microscope group module on the tumbler
Groove, is provided with stretching in the microscope group module sliding pin of chute, when the tumbler rotates, the chute and sliding pin
It is relative to slide and the slip focusing of microscope group module is driven by sliding pin.
The tumbler is a cam or sector structure, and the chute deviates the centrally disposed of tumbler.
The microscope group module is configured with two groups, respectively the first microscope group module and the second microscope group module；
The chute is configured with two groups, is that the first chute corresponding with the first microscope group module, the second microscope group module, second are slided respectively
Groove.
The two ends of the chute are respectively phase near-end and away from end, the spacing distance between the first chute and the second chute by
Phase near-end extremely gradually increases away from end.
The device of rotation driving is a motor mechanism, and the angle range of the motor mechanism is 60 °, the phase of the chute
Near-end and the angle away from end relative to motor mechanism center of rotation are more than or equal to 60 °.
The phase near-end of the chute and away from end relative to motor mechanism extreme rotational position with 5 ° of excess of stroke angle.
The chute is a deep-slotted chip breaker.
The first microscope group that the first microscope group module includes the first lens barrel and is arranged in the first lens barrel, second microscope group
The second microscope group that module includes the second lens barrel and is arranged in the second lens barrel, the camera lens body also include a base and are arranged on
Outer lens barrel on base, the first microscope group module and the second microscope group module are arranged in outer lens barrel, if being provided with the base
The dry axis of guide, offers the pilot hole being slidably matched with the axis of guide on first lens barrel and the second lens barrel respectively.
The sliding pin includes the first sliding pin being separately positioned on the first lens barrel and the second lens barrel and the second sliding pin.
The invention has the beneficial effects as follows：High magnification Zoom optic lens, including camera lens body, the camera lens body include to
Lack one group of the microscope group module being slidably arranged on camera lens body and the zoom drive mechanism that microscope group module can be driven to move, institute
Stating zoom drive mechanism includes a device of rotation driving and a tumbler driven by device of rotation driving, opens on the tumbler
Chute corresponding with microscope group module is provided with, is provided with stretching into the sliding pin of chute, the tumbler in the microscope group module
During rotation, chute slip relative with sliding pin simultaneously drives the slip focusing of microscope group module by sliding pin, simple and reasonable,
Reliability is high, and optical design is simple, it is easy to produces, and reduces manufacturing cost, and is capable of achieving Jiao by the gradient for adjusting chute
Away from regulation, stepless to adjust without section, zoom ratio is big, reaches more than 5.5 times, while can realize that large-scale visual angle change is cut
Change, meet the photographing request dolly-out,ed dolly-back with wide-angle.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the decomposing schematic representation of the present invention；
Fig. 3 is structural representation when device of rotation driving of the present invention is clockwise to extreme position；
Fig. 4 is that device of rotation driving of the present invention is rotated counterclockwise to structural representation during extreme position.
Specific embodiment
Referring to figs. 1 to Fig. 4, Fig. 1 to Fig. 4 is the structural representation of a specific embodiment of the invention, as illustrated, high power
Rate Zoom optic lens, including camera lens body, the camera lens body include being slidably arranged on camera lens body of least one set
Microscope group module and can drive microscope group module move zoom drive mechanism, the zoom drive mechanism include a rotation drive dress
Put and a tumbler 31 driven by device of rotation driving, on the tumbler 31, offer chute corresponding with microscope group module,
It is provided with stretching in the microscope group module sliding pin of chute, when the tumbler 31 rotates, the chute and sliding pin
Relative to slide and drive the slip focusing of microscope group module by sliding pin, simple and reasonable, reliability is high, and optical design is simple,
It is readily produced, and reduces manufacturing cost, and the regulation of focal length is capable of achieving by the gradient for adjusting chute, it is stepless to adjust without section,
Zoom ratio is big, reaches more than 5.5 times, while large-scale view angle switch can be realized, satisfaction is dolly-out,ed dolly-back will with the shooting of wide-angle
Ask.
In the present invention, microscope group module can be configured to one group, fixed microscope group can be coordinated to use, be equally capable of the work(of zoom
Energy.
Preferably, in the present embodiment, the microscope group module is configured with two groups, respectively the first microscope group module and the second mirror
Group module；The chute is configured with two groups, be respectively the first chute 311 corresponding with the first microscope group module, the second microscope group module,
Second chute 312, so as to realize the regulation of the spacing distance between the first microscope group module and the second microscope group module, so as to realize adjusting
Burnt and both view angle adjustment.
Preferably, the two ends of the chute are respectively phase near-end and away from end, the first chute 311 and the second chute 312 it
Between spacing distance by phase near-end to away from end gradually increase so that the sliding pin of two groups of phase proximal mirror group modules can be same
When slide into phase near-end or away from end, so as to the linear regulation for realizing being spaced between the first microscope group module and the second microscope group module.
Preferably, the first microscope group that the first microscope group module includes the first lens barrel 11 and is arranged in the first lens barrel 11
12, the second microscope group 22 that the second microscope group module includes the second lens barrel 21 and is arranged in the second lens barrel 21, the camera lens sheet
Body also includes a base 41 and is arranged on outer lens barrel 42 on base 41, and the first microscope group module and the second microscope group module are arranged on
In outer lens barrel 42, some axis of guides 43 are provided with the base 41, are opened on first lens barrel 11 and the second lens barrel 21 respectively
The pilot hole 44 being slidably matched with the axis of guide 43 is provided with, the sliding pin includes being separately positioned on the first lens barrel 11 and the second lens barrel
The first sliding pin 13 and the second sliding pin 23 on 21, offers on outer lens barrel 42 and can slide for the first sliding pin 13 and second
The hole position that dynamic pin 23 stretches out, the first sliding pin 13 and the second sliding pin 23 are coordinated with the first chute 311, the second chute 312 respectively,
So as to realize the slidable adjustment of the first lens barrel 11 and the second lens barrel 21.
As illustrated, inductor 411 is configured with base 41, in the present invention, first microscope group 12 and the second mirror
The eyeglass of group 22 is designed based on the specific chief ray incident angular region of inductor 411, i.e. the optical design of microscope group meets every
The shaping chief ray angle scope at individual zoom end, it is ensured that imaging surface is not in the uneven situation of local luminosity.
Preferably, in the present embodiment, the microscope group of first microscope group 12 and the second microscope group 22 for Double spectacle lens, the bimirror
Piece can be the two lenses at interval or glued two lenses combination, and be compacted in corresponding lens barrel by compressing tablet.
Preferably, in the present embodiment, each microscope group includes two groups of aspherical or aspherical/diffraction element complex optics mirrors
Piece composes achromatism optics microscope group.
Preferably, in the present embodiment, cutoff filter 412, IR-cut filter are configured with front of inductor 411
Mating plate 412 is arranged at the position of different zoom section angle of incidence of light minimum changes, can be had by the cutoff filter 412
Effect prevents the dust of any residual in lens barrel from falling on the surface of inductor, produces bad stain image.
Further, the cutoff filter 412 arranges assembly of thin films, and it is less to benefit from angle of light degree, can be effective
Reduction membrane system the number of plies, and be similarly obtained effective filter effect.
Preferably, in the present embodiment, the device of rotation driving is a motor mechanism 30, and the tumbler 31 is one convex
Wheel or sector structure, the chute deviate the centrally disposed of tumbler 31, it is preferred that in the present embodiment, and the chute is one
Deep-slotted chip breaker, and the center of rotation of motor mechanism 30 is deviateed in the center of circle of the deep-slotted chip breaker, so that sliding pin is relative with chute sliding
When, sliding pin and microscope group module can be driven to reciprocatingly slide.
Certainly, in specific implementation process, the device of rotation driving can for manual rotating device, steering wheel, servomotor,
The combination of motor and sensor or the combination of motor and speed changer etc., can equally realize rotating driving function, additionally, described
Chute may also be configured to straight-line groove, parabolic wire casing etc., be not described in detail here.
Preferably, in the present embodiment, the angle range of the motor mechanism 30 is 60 °, the i.e. corner of motor mechanism 30
For ± 60 degree, the phase near-end of the chute and the angle away from end relative to 30 center of rotation of motor mechanism are more than or equal to 60 °.
Preferably, as illustrated, in the present embodiment, the phase near-end of the chute and away from end relative to motor mechanism 30
Extreme rotational position with 5 ° of excess of stroke angle, to prevent 30 excess of stroke of motor mechanism from causing sliding pin to touch with chute when rotating
The bad whole adjustment structure of damage, improves the reliability of mechanism.
In the present embodiment, zoom ratio is designed as into 5.5X, aperture is F/2.8-F/4, shooting angle there are 110 ° extremely
29 °, the effect of zoom is can reach by being configured with two groups of moveable microscope group modules, as shown in figure 3, Fig. 3 is electricity of the invention
When machine mechanism 30 is clockwise to -60 °, the position view of the first sliding pin 13 and the second sliding pin 23, in figure 3, the
One microscope group module and the second microscope group module distance are farthest, and now, focal length diminishes, while visual angle becomes big, in the present embodiment, this regards
Angle is 110 °, realizes the effect of wide angle shot；As shown in figure 4, Fig. 4 is motor mechanism of the present invention 30 when rotating counterclockwise to 60 °,
The position view of the first sliding pin 13 and the second sliding pin 23, in the diagram, the first microscope group module and the second microscope group module distance
Recently, now, focal length becomes big, while visual angle diminishes, in the present embodiment, visual angle is 29 °, and zoom ratio is 5.5X, reaches and dolly-out,s dolly-back
The shooting effect of amplification.
Above to the present invention preferable enforcement illustrated, certainly, the present invention can also using with above-mentioned enforcement
The different form of mode, the conversion of the equivalent made on the premise of without prejudice to spirit of the invention by those of ordinary skill in the art
Or corresponding change, should all belong in protection scope of the present invention.
Claims (9)
1. high magnification Zoom optic lens, including camera lens body, it is characterised in that：The camera lens body includes the cunning of least one set
Move the microscope group module being arranged on camera lens body and the zoom drive mechanism that the movement of microscope group module can be driven, the zoom drive
Mechanism includes a device of rotation driving and a tumbler driven by device of rotation driving（31）, the tumbler（31）On open up
There is chute corresponding with microscope group module, be provided with stretching into the sliding pin of chute, the tumbler in the microscope group module
（31）During rotation, chute slip relative with sliding pin simultaneously drives the slip focusing of microscope group module by sliding pin.
2. high magnification Zoom optic lens according to claim 1, it is characterised in that：The tumbler（31）For a cam
Or sector structure, the chute deviation tumbler（31）It is centrally disposed.
3. high magnification Zoom optic lens according to claim 1 and 2, it is characterised in that：
The microscope group module is configured with two groups, respectively the first microscope group module and the second microscope group module；
The chute is configured with two groups, is the first chute corresponding with the first microscope group module, the second microscope group module respectively（311）、
Second chute（312）.
4. high magnification Zoom optic lens according to claim 3, it is characterised in that：The two ends of the chute are respectively phase
Near-end and away from end, the first chute（311）With the second chute（312）Between spacing distance by phase near-end to away from end gradually increase
Greatly.
5. high magnification Zoom optic lens according to claim 4, it is characterised in that：The device of rotation driving is one electric
Machine mechanism（30）, the motor mechanism（30）Angle range be 60 °, the phase near-end of the chute and away from end relative to motor
Mechanism（30）The angle of center of rotation is more than or equal to 60 °.
6. high magnification Zoom optic lens according to claim 5, it is characterised in that：The phase near-end of the chute and away from
End is relative to motor mechanism（30）Extreme rotational position with 5 ° of excess of stroke angle.
7. high magnification Zoom optic lens according to claim 3, it is characterised in that：The chute is a deep-slotted chip breaker.
8. high magnification Zoom optic lens according to claim 3, it is characterised in that：The first microscope group module includes
One lens barrel（11）And it is arranged on the first lens barrel（11）The first interior microscope group（12）, the second microscope group module includes the second lens barrel
（21）And it is arranged on the second lens barrel（21）The second interior microscope group（22）, the camera lens body is also including a base（41）And be arranged on
Base（41）Upper outer lens barrel（42）, the first microscope group module and the second microscope group module are arranged on outer lens barrel（42）It is interior, the bottom
Seat（41）On be provided with some axis of guides（43）, first lens barrel（11）With the second lens barrel（21）It is upper to offer respectively and guiding
Axle（43）The pilot hole being slidably matched（44）.
9. high magnification Zoom optic lens according to claim 8, it is characterised in that：The sliding pin includes being respectively provided with
In the first lens barrel（11）With the second lens barrel（21）On the first sliding pin（13）With the second sliding pin（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258207.4A CN106526781A (en) | 2016-12-30 | 2016-12-30 | High magnification optical zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258207.4A CN106526781A (en) | 2016-12-30 | 2016-12-30 | High magnification optical zoom lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106526781A true CN106526781A (en) | 2017-03-22 |
Family
ID=58335961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611258207.4A Pending CN106526781A (en) | 2016-12-30 | 2016-12-30 | High magnification optical zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106526781A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889751A (en) * | 2019-04-18 | 2019-06-14 | 东北大学 | Speech content portable photographic recording device based on optical zoom |
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| CN106112259A (en) * | 2016-08-26 | 2016-11-16 | 江苏亚威机床股份有限公司 | A kind of cross beam of laser cutting machine Z axis ultralong-stroke structure |
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| CN114185147A (en) * | 2021-12-06 | 2022-03-15 | 河北汉光重工有限责任公司 | Zoom lens structure capable of guaranteeing consistency of optical axes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889751A (en) * | 2019-04-18 | 2019-06-14 | 东北大学 | Speech content portable photographic recording device based on optical zoom |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 528400 Guanyinzhou New Village Road Industrial Zone, Baiqicun Village, Nanlang Town, Zhongshan City, Guangdong Province, 23 Applicant after: Special Photoelectric Technology (Zhongshan) Co.,Ltd. Address before: 528400 11 Export Processing Zones of Zhongshan Torch Development Zone, Guangdong Province Applicant before: Special Photoelectric Technology (Zhongshan) Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |