CN105842829B - Zoom lens - Google Patents
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- CN105842829B CN105842829B CN201610145199.6A CN201610145199A CN105842829B CN 105842829 B CN105842829 B CN 105842829B CN 201610145199 A CN201610145199 A CN 201610145199A CN 105842829 B CN105842829 B CN 105842829B
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- 230000005499 meniscus Effects 0.000 claims description 11
- 238000009738 saturating Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 description 26
- 210000001747 pupil Anatomy 0.000 description 7
- 230000004075 alteration Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 241000700608 Sagitta Species 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- 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
- G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/177—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
A zoom lens includes a first lens group and a second lens group arranged in order from an enlargement side to a reduction side. The first lens group has negative diopter and comprises a first lens, a second lens, a third lens and a fourth lens which are sequentially arranged from the magnifying side to the reducing side, and the diopter of the first lens, the diopter of the second lens, the diopter of the third lens and the diopter of the fourth lens are negative, negative and positive sequentially. The second lens group has positive diopter and comprises a fifth lens, a sixth lens, a seventh lens, an eighth lens and a ninth lens which are sequentially arranged from the magnifying side to the reducing side, and the diopter of the fifth lens, the sixth lens, the seventh lens, the eighth lens and the ninth lens is positive, negative, positive, negative and positive in sequence.
Description
The application is the divisional application of the invention patent application case of Application No. 201310728265.9, the application of original application
Day is on December 26th, 2013, and invention and created name is " zoom lens ".
Technical field
The invention relates to a kind of optical lens, and in particular to a kind of zoom lens.
Background technology
With the progress of photoelectric technology, Image sensor apparatus (such as camera, video camera etc.) has been generally applicable to daily
In each field of life, or in the producing line of factory, to substitute script human eye or the artificial thing that can make.Consequently, it is possible to the mankind
Just more plenty of time and manpower can be possessed, go to be engaged in even more important thing.On the other hand, the use of Image sensor apparatus is also
People can be allowed to go to notice that usually human eye is not easy the place noticed, or still reach effective prison under nobody situation
Control effect.
In Image sensor apparatus, except CIS (such as Charged Coupled Device (charge coupled device,
) or CMOS sensing component (complementary metal oxide semiconductor CCD
Sensor, CMOS sensor) etc.) quality can produce conclusive influence to detected image quality outside, optical frames
The quality of head is also key point.Therefore, camera lens how is suitably designed to reach good image quality, is always that camera lens is set
Meter person is of interest.
U.S. Patent No. 5155629, No. 5329402, No. 7933075, No. 7557839, No. 6839183,
No. 7944620, No. 7184220, No. 6917477 and No. 6809882 proposes zoom lens.In addition, United States Patent (USP)
No. 7075719 proposes a kind of projection lens.
The content of the invention
The present invention provides a kind of zoom lens, has small volume, wide viewing angle, High Resolution, large aperture and well infrared
The advantages that correction.
Other objects of the present invention and advantage can from disclosed herein technical characteristic in be further understood.
It is to propose a kind of zoom up to one of above-mentioned or part or all of purpose or other purposes, one embodiment of the invention
Camera lens, to be configured between Zoom Side and reduced side.This zoom lens includes the first lens group and the second lens group.First is saturating
Lens group is configured between Zoom Side and reduced side, and with negative diopter (refractive power).First lens group includes
The first lens, the second lens, the 3rd lens and the 4th lens being arranged in order from Zoom Side toward reduced side, and the first lens,
The diopter of two lens, the 3rd lens and the 4th lens is followed successively by negative, negative, negative and just.Second lens group is configured at the first lens
Between group and reduced side, and there is positive diopter.Second lens group includes being arranged in order from Zoom Side toward reduced side the 5th saturating
Mirror, the 6th lens, the 7th lens, the 8th lens and the 9th lens, and the 5th lens, the 6th lens, the 7th lens, the 8th lens
And the 9th lens diopter be followed successively by it is positive and negative, positive and negative and just.Zoom lens meets -2.8<f1/fw<- 2.3 and 0.6<∣f1/
f2∣<0.9, wherein f1 are the effective focal length (effective focal length, EFL) of the first lens group, and f2 is the second lens
The effective focal length of group, and fw is effective focal length of zoom lens when wide-angle side.
Based on above-mentioned, because there is the zoom lens of embodiments of the invention diopter to be followed successively by from Zoom Side toward reduced side
Negative, negative, negative, positive, positive and negative, positive and negative and positive lens combination, and meet -2.8<f1/fw<- 2.3 and 0.6<∣f1/f2∣<0.9,
Therefore the change of embodiments of the invention has wide viewing angle and good image quality concurrently without camera lens.
Brief description of the drawings
For features described above of the invention and advantage can be become apparent, special embodiment below, and it is detailed to coordinate accompanying drawing to make
Carefully it is described as follows.
Figure 1A to Fig. 1 C is the zoom lens of one embodiment of the invention respectively at wide-angle side, centre position and telescope end
Structural representation.
Fig. 2A to Fig. 2 C is optical analog datagram of Figure 1A zoom lens when wide-angle side.
Fig. 3 A to Fig. 3 C are optical analog datagram of Figure 1B zoom lens when centre position.
Fig. 4 A to Fig. 4 C are optical analog datagram of Fig. 1 C zoom lens when telescope end.
Fig. 5 A to Fig. 5 C are the zoom lens of another embodiment of the present invention respectively at wide-angle side, centre position and telescope end
Structural representation.
Fig. 6 A to Fig. 6 C are optical analog datagram of Fig. 5 A zoom lens when wide-angle side.
Fig. 7 A to Fig. 7 C are optical analog datagram of Fig. 5 B zoom lens when centre position.
Fig. 8 A to Fig. 8 C are optical analog datagram of Fig. 5 C zoom lens when telescope end.
Embodiment
For the present invention foregoing and other technology contents, feature and effect, coordinate following with reference to the one preferable of schema
In the detailed description of embodiment, can clearly it present.The direction term being previously mentioned in following examples, such as：Upper and lower, left,
It is right, front or rear etc., only it is the direction of refer to the attached drawing.Therefore, the direction term used is intended to be illustrative and not intended to limit this hair
It is bright.
Figure 1A to Fig. 1 C is the zoom lens of one embodiment of the invention respectively at wide-angle side, centre position and telescope end
Structural representation.Refer to Figure 1A to Fig. 1 C, the zoom lens 100 of the present embodiment to be configured at Zoom Side and reduced side it
Between.Zoom lens 100 includes the first lens group 110 and the second lens group 120.First lens group 110 is configured at Zoom Side and contracting
Between small side, and with negative diopter.First lens group 110 includes the first lens being arranged in order from Zoom Side toward reduced side
111st, the second lens 112, the 3rd lens 113 and the 4th lens 114, and the first lens 111, the second lens 112, the 3rd lens
113 and the 4th lens 114 diopter be followed successively by it is negative, negative, negative and just.Second lens group 120 be configured at the first lens group 110 with
Between reduced side, and there is positive diopter.Second lens group 120 includes the 5th lens being arranged in order from Zoom Side toward reduced side
121st, the 6th lens 122, the 7th lens 123, the 8th lens 124 and the 9th lens 125, and the 5th lens 121, the 6th lens
122nd, the diopter of the 7th lens 123, the 8th lens 124 and the 9th lens 125 is followed successively by positive and negative, positive and negative and just.
In the present embodiment, zoom lens 100 meets -2.8<f1/fw<- 2.3 and 0.6<∣f1/f2∣<0.9, wherein f1 are
The effective focal length of first lens group 110, f2 be the second lens group 120 effective focal length, and fw be zoom lens 100 in wide-angle side
When effective focal length.
In the present embodiment, the first lens 111, the second lens 112, the 3rd lens 113 and the 4th lens 114 are sphere
Lens (spherical lens), and the 5th lens 121, the 6th lens 122, the 7th lens 123, the 8th lens 124 and the 9th
At least the two is non-spherical lens (aspheric lens) in lens 125.Specifically, in the present embodiment, the 5th lens
121 be, for example, non-spherical lens, and the 9th lens 125 be, for example, non-spherical lens, and the 6th lens 122, the 7th lens 123 and
8th lens 124 are, for example, spherical lens.
In the present embodiment, zoom lens 100 also includes aperture diaphragm (aperture stop) 130, and it is configured at first
Between the lens group 120 of lens group 110 and second.In the present embodiment, the second lens group 120 is zoom group, and the first lens group
110 be focusing group.In addition, in the present embodiment, when zoom lens 100 changes from wide-angle side toward telescope end, aperture diaphragm 130
Position remained unchanged relative to reduced side, and the first lens group 110 and the second lens group 120 toward aperture diaphragm 130 close, example
Such as Fig. 1 C state is then changed to again to Figure 1B state by Figure 1A state change.
In the present embodiment, the 3rd lens 113 and the 4th lens 114 form cemented doublet (double cemented
Lens) 115, and the 6th lens 122 and the 7th lens 123 form cemented doublet 126.In addition, in the present embodiment, first is saturating
Mirror 111 is, for example, the meniscus (convex-concave lens) convex surface facing Zoom Side, and the second lens 112 are, for example, double
Concavees lens (biconcave lens), the 3rd lens 113 are for example, convex surface facing the meniscus of Zoom Side, the 4th lens 114
For example, convex surface facing the concave-convex lens (concave-convex lens) of Zoom Side, the 5th lens 121 are, for example, biconvex lens
(biconvex lens), the 6th lens 122 are, for example, the meniscus convex surface facing Zoom Side, and the 7th lens 123 are, for example, double
Convex lens, the 8th lens 124 are, for example, the meniscus convex surface facing Zoom Side, and the 9th lens 125 are, for example, biconvex lens.
In addition, in the present embodiment, reduced side may be configured with CIS 60, and the scenery positioned at Zoom Side can be by zoom lens
100 image on CIS 60.CIS 60 is, for example, numerical digit micromirror assemblies or CMOS sensing
Component.When 100 zoom of zoom lens, the position of aperture diaphragm 130 remains unchanged relative to the position of CIS 60.
The zoom lens 100 of the present embodiment using diopter from Zoom Side toward reduced side be followed successively by it is negative, negative, negative, positive, just,
The diopter of negative, positive, negative and positive lens combination, the first lens group 110 and the second lens group 120 is respectively negative with just, and becoming
First lens group 110 and the second lens group 120 are all moved and (moved relative to aperture diaphragm 130) relative to reduced side when burnt,
Therefore the zoom lens 100 of the present embodiment can reach the effect of miniaturization, picture without dark angle and wide viewing angle.For example, this reality
Apply the zoom lens 100 of example can make the diagonal of CIS 60 the angle of visual field (2 ω) (field of view,
FOV 143.2 degree) are up to.In addition, the zoom lens 100 of the present embodiment can reach the resolution ratio of three mega pixel levels.In addition, this
The part lens (such as the 7th lens 123) of the zoom lens 100 of embodiment can use the glass material of low dispersion, can with raising
See the confocal effect of light and infrared light.In other words, visible shadow is detected on daytime using the Image sensor apparatus of zoom lens 100
During as detecting infrared optical image with night, good sharp image of focusing all is able to detect that.Furthermore the varifocal mirror of the present embodiment
First 100 can have large aperture, and in one embodiment, the f-number (f-number) of zoom lens can be as small as 1.4.The present embodiment
Zoom lens 100 is suitable to arrange in pairs or groups with the CIS 60 of large-size.However, when the present embodiment zoom lens 100 with
When the CIS 60 of reduced size is arranged in pairs or groups, good visual range can be still provided.
Herein below will enumerate an embodiment of zoom lens 100.It is noted that following tables one, table two and table three
In listed data information be not limited to the present invention, any those of ordinary skill in the art is with reference to this hair
After bright, when can make appropriate change to its parameter or setting, but it should belong in the practical range of the present invention.
(table one)
(table two)
In Table 1, spacing refers between two adjacent surfaces in the air line distance on optical axis A, for example, between the S1 of surface
Away from, i.e. surface S1 between the S2 of surface in the air line distance on optical axis A.Thickness, refractive index in remarks column corresponding to each lens with
Abbe number refer to each spacing in same column, refractive index numerical value corresponding with Abbe number.In addition, in Table 1, surface S1, S2
Two surfaces of one lens 111, surface S3, S4 are two surfaces of the second lens 112, and surface S5 is the 3rd lens 113 towards amplification
The surface of side, surface S6 are the surface that is connected with the 4th lens 114 of the 3rd lens 113, and surface S7 for the 4th lens 114 towards
The surface of reduced side.Surface S8 is that infrared cut of light filter (infrared cut filter) 70 (is, for example, infrared cut of light
Film) position, surface S9 is the position of aperture diaphragm 130, and wherein transparent substrates 80 are carrying infrared cut of light
Filter 70, surface S8 are surface of the transparent substrates 80 towards Zoom Side, and surface S9 is transparent substrates 80 towards reduced side
Surface.Surface S10, S11 are two surfaces of the 5th lens 121, and surface S12 is the 6th lens 122 towards the surface of Zoom Side, table
Face S13 is the surface that is connected with the 7th lens 123 of the 6th lens 122, and surface S14 is the 7th lens 123 towards reduced side
Surface.Surface S15, S16 are two surfaces of the 8th lens 124, and surface S17, S18 are two surfaces of the 9th lens 125.Surface
Glass cover (cover glass) 50 can be provided between S18 and CIS 60, to protect CIS 60.Surface S18 that
The spacing filled out in row (row) is spacing of the surface S18 to CIS 60.
In addition, table two lists effective focal length of the zoom lens 100 when wide-angle side, centre position and telescope end, aperture
It is worth the numerical value such as (F/#), the angle of visual field and variable spacing d1, d2 and d3.
Above-mentioned surface S10, S11, S17 and S18 is that even order terms are aspherical, and its available following equation represents：
In formula, Z is the offset (sag) in optical axis A directions, and c is osculating sphere (osculating sphere) radius
Inverse, that is, the inverse close to the radius of curvature (such as S10, S11, S17 and S18 radius of curvature in table one) at optical axis A.k
It is quadratic surface coefficient (conic), r is aspherical height, as from lens centre toward the height of rims of the lens, and A2, A4,
A6, A8 and A10 are asphericity coefficient (aspheric coefficient), and coefficient A2 is 0 in the present embodiment.The institute of following table three
What is listed is surface S10, S11, S17 and S18 aspherical parameter value.
(table three)
Fig. 2A to Fig. 2 C is optical analog datagram of Figure 1A zoom lens when wide-angle side, and Fig. 3 A to Fig. 3 C are Figure 1B
Optical analog datagram of zoom lens when centre position, and Fig. 4 A to Fig. 4 C are Fig. 1 C zoom lens when telescope end
Optical analog datagram.Fig. 2A to Fig. 4 C is refer to, wherein Fig. 2A, Fig. 3 A and Fig. 4 A are simulated with the nm of wavelength 588
The analogue data figure of longitudinal aberration (longitudinal aberration), wherein Fig. 2A pupil radius (pupil
Radius it is) 1.0135 millimeters, Fig. 3 A pupil radius is 1.4449 millimeters, and Fig. 4 A pupil radius is 1.5338 millimeters
(i.e. in Fig. 2A, Fig. 3 A and Fig. 4 A, the maximum scale (that scale of top) of the longitudinal axis is respectively 1.0135 millimeters,
1.4449 millimeters and 1.5338 millimeters).Fig. 2 B, Fig. 3 B and Fig. 4 B are the curvature of field (field for making mould evidence with the nm of wavelength 588
Curvature) with the optical analog datagram of distortion (distortion), wherein Fig. 2 B maximum field of view angle (half-angle) is
71.588 degree, Fig. 3 B maximum field of view angle (half-angle) is 37.952 degree, and Fig. 4 B maximum field of view angle (half-angle) is 25.835 degree.
In addition, in the figure of the curvature of field, S represents the data in the sagitta of arc (sagittal) direction, and T represents meridian (tangential) direction
Data.Fig. 2 C, Fig. 3 C and Fig. 4 C are the optical analog data for the lateral chromatic aberration simulated with wavelength 486,588 and 656 nms work
Figure, wherein Fig. 2 C, Fig. 3 C and Fig. 4 C maximum image height are 3.41 millimeters (i.e. positioned at the maximum image height of reduced side).Fig. 2A extremely schemes
In the range of standard, thus can verify that the zoom lens 100 of the present embodiment can actually have the figure gone out shown by 4C
Good optical imagery quality.
Fig. 5 A to Fig. 5 C are the zoom lens of another embodiment of the present invention respectively at wide-angle side, centre position and telescope end
Structural representation.Fig. 5 A to Fig. 5 C are refer to, the zoom lens 100a of the present embodiment is similar to Figure 1A to Fig. 1 C varifocal mirror
First 100, and both Main Differences are as described below.Fig. 5 A to Fig. 5 C are refer to, the of the zoom lens 100a of the present embodiment
In two lens group 120a, the 8th lens 124a is biconcave lens, and the 9th lens 125a is convex surface facing the concavo-convex saturating of Zoom Side
Mirror.The advantages of zoom lens 100a of the present embodiment also can reach above-mentioned zoom lens 100 and effect, are no longer repeated herein.
Herein below will enumerate a zoom lens 100a embodiment.It is noted that following tables four, table five and table six
In listed data information be not limited to the present invention, any those of ordinary skill in the art is with reference to this hair
After bright, when that can make appropriate change to its parameter or setting, but it should be within the scope of the present invention.
(table four)
(table five)
The physical significance of each parameter in table four can refer to the explanation to table one, no longer repeat herein.In addition, table five arranges
Effective focal lengths of zoom lens 100a when wide-angle side, centre position and telescope end, f-number (F/#), the angle of visual field and can are gone out
Become the numerical value such as spacing d1, d2 and d3.
Above-mentioned surface S10, S11, S17 and S18 is that even order terms are aspherical, and its formula is same as what above-mentioned table three was applicable
Formula.Coefficient A2 is 0 in the present embodiment.Listed by following table six be zoom lens 100a surface S10, S11, S17 and
S18 aspherical parameter value.
(table six)
Fig. 6 A to Fig. 6 C are optical analog datagram of Fig. 5 A zoom lens when wide-angle side, and Fig. 7 A to Fig. 7 C are Fig. 5 B
Optical analog datagram of zoom lens when centre position, and Fig. 8 A to Fig. 8 C are Fig. 5 C zoom lens when telescope end
Optical analog datagram.Fig. 6 A to Fig. 8 C, wherein Fig. 6 A, Fig. 7 A and Fig. 8 A is refer to simulate with the nm of wavelength 588
The analogue data figure of longitudinal aberration, wherein Fig. 6 A pupil radius are 1.0033 millimeters, and Fig. 7 A pupil radius is 1.4024 millis
Rice, and Fig. 8 A pupil radius is 1.4714 millimeters (i.e. in Fig. 6 A, Fig. 7 A and Fig. 8 A, the maximum scale of the longitudinal axis is (top
That scale) be respectively 1.0033 millimeters, 1.4024 millimeters and 1.4714 millimeters).Fig. 6 B, Fig. 7 B and Fig. 8 B are with wavelength 588
Nm makees the curvature of field and the optical analog datagram of distortion of mould evidence, and wherein Fig. 6 B maximum field of view angle (half-angle) is 71.761 degree,
Fig. 7 B maximum field of view angle (half-angle) is 38.324 degree, and Fig. 8 B maximum field of view angle (half-angle) is 25.908 degree.It is in addition, on the scene
In bent figure, S represents the data in sagitta of arc direction, and T represents the data of meridian direction.Fig. 6 C, Fig. 7 C and Fig. 8 C are with wavelength
486th, 588 and 656 nms make the maximum picture of the optical analog datagram for the lateral chromatic aberration simulated, wherein Fig. 6 C, Fig. 7 C and Fig. 8 C
Height is 3.41 millimeters (i.e. positioned at the maximum image height of reduced side).The figure gone out shown by Fig. 6 A to Fig. 8 C is in the scope of standard
Interior, thus can verify that the zoom lens 100a of the present embodiment can actually have good optical imagery quality.
In summary, because there is the zoom lens of embodiments of the invention diopter to be followed successively by from Zoom Side toward reduced side
Negative, negative, negative, positive, positive and negative, positive and negative and positive lens combination, and meet -2.8<f1/fw<- 2.3 and 0.6<∣f1/f2∣<0.9,
Therefore the zoom lens of embodiments of the invention has wide viewing angle and good image quality concurrently.
The foregoing is merely illustrative of the preferred embodiments of the present invention, it is impossible to the scope implemented of the present invention is limited with this, it is all according to
The simple equivalent changes and modifications that the claims in the present invention and invention description content are made, all still belong to what patent of the present invention covered
In the range of.In addition any embodiment of the present invention or claim be not necessary to reach disclosed herein whole purposes or advantage or
Feature.In addition, summary part and title are intended merely to aid in patent document search to be used, not it is used for limiting the right of the present invention
Scope.
Symbol description
50：Glass cover
60：CIS
70：Infrared cut of light filter
80：Transparent substrates
100、100a：Zoom lens
110：First lens group
111：First lens
112：Second lens
113：3rd lens
114：4th lens
115、126：Cemented doublet
120、120a：Second lens group
121：5th lens
122：6th lens
123：7th lens
124、124a：8th lens
125、125a：9th lens
130：Aperture diaphragm
A：Optical axis
S1~S18：Surface
Claims (12)
1. a kind of zoom lens, to be configured between a Zoom Side and a reduced side, the zoom lens includes one first lens
Group and one second lens group,
First lens group, is configured between the Zoom Side and the reduced side, and with negative diopter；
Second lens group, it is configured between first lens group and the reduced side, and there is positive diopter；
Characterized in that, first lens group includes four lens, second lens group includes five lens, zoom lens symbol
Close -2.8<f1/fw<- 2.3 and 0.6<∣f1/f2∣<0.9, wherein f1 be first lens group effective focal length, f2 for this second
The effective focal length of lens group, and fw is effective focal length of zoom lens when wide-angle side.
2. zoom lens as claimed in claim 1, it is characterised in that first lens group is included from the Zoom Side toward the diminution
One first lens, one second lens, one the 3rd lens and one the 4th lens that side is arranged in order, first lens, this is second saturating
Mirror, the 3rd lens and the 4th lens are spherical lens.
3. zoom lens as claimed in claim 2, it is characterised in that the 3rd lens are in pairs glued saturating with the 4th lens shaped
Mirror.
4. zoom lens as claimed in claim 1, it is characterised in that second lens group is included from the Zoom Side toward the diminution
One the 5th lens, one the 6th lens, one the 7th lens, one the 8th lens and one the 9th lens that side is arranged in order, this is second saturating
At least the two is non-spherical lens in lens group.
5. zoom lens as claimed in claim 4, it is characterised in that the 6th lens are in pairs glued saturating with the 7th lens shaped
Mirror.
6. zoom lens as claimed in claim 4, it is characterised in that the 5th lens or the 9th lens are aspherical
Mirror.
7. zoom lens as claimed in claim 1, in addition to an aperture diaphragm, the aperture diaphragm is configured at first lens group
Between second lens group.
8. zoom lens as claimed in claim 7, it is characterised in that when the zoom lens is changed from wide-angle side toward telescope end
When, the position of the aperture diaphragm remains unchanged relative to the reduced side, and first lens group and second lens group are toward the hole
Footpath diaphragm is close.
9. zoom lens as claimed in claim 1, it is characterised in that second lens group is zoom group, and first lens
Group is focusing group.
10. zoom lens as claimed in claim 1, it is characterised in that first lens group is included from the Zoom Side toward the contracting
One first lens, one second lens, one the 3rd lens and one the 4th lens that small side is arranged in order, second lens group include by
One the 5th lens that the Zoom Side is arranged in order toward the reduced side, one the 6th lens, one the 7th lens, one the 8th lens and one
Nine lens, first lens are the meniscus convex surface facing the Zoom Side, and second lens are biconcave lens, the 3rd lens
To be the concave-convex lens convex surface facing the Zoom Side convex surface facing the meniscus of the Zoom Side, the 4th lens, the 5th is saturating
Mirror is biconvex lens, and the 6th lens are the meniscus convex surface facing the Zoom Side, and the 7th lens are biconvex lens, and this
Eight lens are the meniscus convex surface facing the Zoom Side, or the 9th lens are biconvex lens.
11. zoom lens as claimed in claim 1, it is characterised in that first lens group is included from the Zoom Side toward the contracting
One first lens, one second lens, one the 3rd lens and one the 4th lens that small side is arranged in order, second lens group include by
One the 5th lens that the Zoom Side is arranged in order toward the reduced side, one the 6th lens, one the 7th lens, one the 8th lens and one
Nine lens, first lens are the meniscus convex surface facing the Zoom Side, and second lens are biconcave lens, the 3rd lens
To be the concave-convex lens convex surface facing the Zoom Side convex surface facing the meniscus of the Zoom Side, the 4th lens, the 5th is saturating
Mirror is biconvex lens, and the 6th lens are the meniscus convex surface facing the Zoom Side, and the 7th lens are biconvex lens, and this
Eight lens are biconcave lens, or the 9th lens are the concave-convex lens convex surface facing the Zoom Side.
12. zoom lens as claimed in claim 1, it is characterised in that first lens group is included from the Zoom Side toward the contracting
Small side is arranged in order and diopter is followed successively by one first negative, negative, negative, positive lens, one second lens, one the 3rd lens and one
Four lens, second lens group include be arranged in order from the Zoom Side toward the reduced side and diopter be followed successively by it is positive and negative, positive and negative
And positive one the 5th lens, one the 6th lens, one the 7th lens, one the 8th lens and one the 9th lens.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102108300A TWI460467B (en) | 2013-03-08 | 2013-03-08 | Zoom lens |
| TW102108300 | 2013-03-08 | ||
| CN201310728265.9A CN104035189B (en) | 2013-03-08 | 2013-12-26 | Zoom lens |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310728265.9A Division CN104035189B (en) | 2013-03-08 | 2013-12-26 | Zoom lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105842829A CN105842829A (en) | 2016-08-10 |
| CN105842829B true CN105842829B (en) | 2018-02-16 |
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| CN201310728265.9A Active CN104035189B (en) | 2013-03-08 | 2013-12-26 | Zoom lens |
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| CN201310728265.9A Active CN104035189B (en) | 2013-03-08 | 2013-12-26 | Zoom lens |
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| CN111999868B (en) * | 2014-10-10 | 2022-07-05 | 扬明光学股份有限公司 | Zoom lens |
| KR101771816B1 (en) * | 2015-12-15 | 2017-08-25 | 삼성전기주식회사 | Optical Lens System and Camera including the Same |
| US9851542B2 (en) * | 2016-04-08 | 2017-12-26 | Young Optics Inc. | Imaging lens |
| TWI699550B (en) * | 2016-08-29 | 2020-07-21 | 揚明光學股份有限公司 | An optical lens |
| TWI711837B (en) * | 2016-08-30 | 2020-12-01 | 香港商香港彩億科技有限公司 | Imaging lens device |
| CN106597638B (en) * | 2016-12-19 | 2022-11-22 | 福建福光股份有限公司 | Wide-spectrum low-light-level camera lens with super-large aperture |
| TWI786927B (en) * | 2021-11-04 | 2022-12-11 | 佳凌科技股份有限公司 | Optical Imaging Lens |
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| KR100531010B1 (en) * | 2003-11-28 | 2005-11-25 | 삼성테크윈 주식회사 | Wide-angle projection lens |
| JP4103143B2 (en) * | 2004-10-14 | 2008-06-18 | 船井電機株式会社 | Projection zoom lens and image projection apparatus |
| TWI274895B (en) * | 2005-08-18 | 2007-03-01 | Asia Optical Co Inc | A convertible lens |
| JP4855024B2 (en) * | 2005-09-14 | 2012-01-18 | 富士フイルム株式会社 | Two-group zoom projection lens and projection display device |
| JP5158465B2 (en) * | 2006-06-30 | 2013-03-06 | 株式会社リコー | Zoom lens, camera, and portable information terminal device |
| JP4864600B2 (en) * | 2006-08-11 | 2012-02-01 | 富士フイルム株式会社 | Projection type zoom lens and projection type display device |
| JP4905779B2 (en) * | 2006-09-07 | 2012-03-28 | 富士フイルム株式会社 | Zoom lens |
| TWI317819B (en) * | 2006-11-02 | 2009-12-01 | Young Optics Inc | Zoom lens |
| CN101377561B (en) * | 2007-08-29 | 2010-06-09 | 鸿富锦精密工业（深圳）有限公司 | Projecting lens |
| CN101876744B (en) * | 2009-04-29 | 2011-11-09 | 鸿富锦精密工业（深圳）有限公司 | Projection lens |
| TW201135278A (en) * | 2010-04-14 | 2011-10-16 | Young Optics Inc | Zoom lens |
| JP5506577B2 (en) * | 2010-07-14 | 2014-05-28 | キヤノン株式会社 | Optical system and optical equipment |
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- 2013-12-26 CN CN201610145199.6A patent/CN105842829B/en active Active
- 2013-12-26 CN CN201310728265.9A patent/CN104035189B/en active Active
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| TW201435385A (en) | 2014-09-16 |
| CN104035189A (en) | 2014-09-10 |
| TWI460467B (en) | 2014-11-11 |
| CN105842829A (en) | 2016-08-10 |
| CN104035189B (en) | 2016-04-20 |
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