CN104035189B - Zoom lens - Google Patents
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- CN104035189B CN104035189B CN201310728265.9A CN201310728265A CN104035189B CN 104035189 B CN104035189 B CN 104035189B CN 201310728265 A CN201310728265 A CN 201310728265A CN 104035189 B CN104035189 B CN 104035189B
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- 230000005499 meniscus Effects 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 description 25
- 210000001747 pupil Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 230000004075 alteration Effects 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 241000700608 Sagitta Species 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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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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
Technical field
The invention relates to a kind of optical lens, and relate to a kind of zoom lens especially.
Background technology
Along with the progress of photoelectric technology, Image sensor apparatus (such as camera, video camera etc.) is applied in each field of daily life at large, or in the product line of factory, to replace human eye or the artificial thing that can do originally.Thus, the mankind just can have more plenty of time and manpower, go to be engaged in even more important thing.On the other hand, the use of Image sensor apparatus can also allow people go to notice human eye at ordinary times be not easy the place noticed, or still reach effective monitoring effect under unmanned situation.
In Image sensor apparatus, except image sensor is (as charge coupled cell (chargecoupleddevice, or CMOS (Complementary Metal Oxide Semiconductor) sensing element (complementarymetaloxidesemiconductorsensor CCD), CMOSsensor) quality etc.) can produce detected image quality outside conclusive impact, and the quality of optical lens is also key point.Therefore, how suitably to design camera lens to reach good image quality, be that lens design person pays close attention to always.
No. 5155629th, United States Patent (USP), No. 5329402, No. 7933075, No. 7557839, No. 6839183, No. 7944620, No. 7184220, No. 6917477 and No. 6809882 propose zoom lens.In addition, No. 7075719th, United States Patent (USP) proposes a kind of projection lens.
Summary of the invention
The invention provides a kind of zoom lens, have that volume is little, the advantage such as wide viewing angle, High Resolution, large aperture and good infrared rectification.
Other objects of the present invention and advantage can be further understood from the technical characteristic disclosed by the present invention.
For reaching one of above-mentioned or partly or entirely object or other objects, one embodiment of the invention propose a kind of zoom lens, in order to be configured between Zoom Side and reduced side.This zoom lens comprises the first lens group and the second lens group.First lens group is configured between Zoom Side and reduced side, and has negative diopter (refractivepower).First lens group comprises from Zoom Side toward the first lens, the second lens, the 3rd lens and the 4th lens that reduced side is arranged in order, and the diopter of the first lens, the second lens, the 3rd lens and the 4th lens is followed successively by negative, negative, negative and just.Second lens group is configured between the first lens group and reduced side, and has positive diopter.Second lens group comprises from Zoom Side toward the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens that reduced side is arranged in order, and the diopter of the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens is followed successively by 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 is the effective focal length (effectivefocallength of the first lens group, EFL), f2 is the effective focal length of the second lens group, and fw is the effective focal length of zoom lens when wide-angle side.
Based on above-mentioned, zoom lens due to embodiments of the invention has diopter and is followed successively by negative, negative, negative, positive, positive and negative, positive and negative and positive lens combination from Zoom Side toward reduced side, 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.
Accompanying drawing explanation
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Figure 1A to Fig. 1 C is the structural representation of zoom lens respectively at wide-angle side, centre position and telescope end of one embodiment of the invention.
Fig. 2 A to Fig. 2 C is the optical analogy data plot of zoom lens when wide-angle side of Figure 1A.
Fig. 3 A to Fig. 3 C is the optical analogy data plot of zoom lens when centre position of Figure 1B.
Fig. 4 A to Fig. 4 C is the optical analogy data plot of zoom lens when telescope end of Fig. 1 C.
Fig. 5 A to Fig. 5 C is the structural representation of zoom lens respectively at wide-angle side, centre position and telescope end of another embodiment of the present invention.
Fig. 6 A to Fig. 6 C is the optical analogy data plot of zoom lens when wide-angle side of Fig. 5 A.
Fig. 7 A to Fig. 7 C is the optical analogy data plot of zoom lens when centre position of Fig. 5 B.
Fig. 8 A to Fig. 8 C is the optical analogy data plot of zoom lens when telescope end of Fig. 5 C.
Embodiment
Aforementioned and other technology contents, feature and effect for the present invention, in the detailed description of following cooperation with reference to a graphic preferred embodiment, can clearly present.The direction term mentioned in following examples such as: upper and lower, left and right, front or rear etc., is only the direction with reference to accompanying drawing.Therefore, the direction term of use is used to illustrate and is not used for limiting the present invention.
Figure 1A to Fig. 1 C is the structural representation of zoom lens respectively at wide-angle side, centre position and telescope end of one embodiment of the invention.Please refer to Figure 1A to Fig. 1 C, the zoom lens 100 of the present embodiment is in order to be configured between Zoom Side and reduced side.Zoom lens 100 comprises the first lens group 110 and the second lens group 120.First lens group 110 is configured between Zoom Side and reduced side, and has negative diopter.First lens group 110 comprises from Zoom Side toward the first lens 111, second lens 112, the 3rd lens 113 and the 4th lens 114 that reduced side is arranged in order, and the diopter of the first lens 111, second lens 112, the 3rd lens 113 and the 4th lens 114 is followed successively by negative, negative, negative and just.Second lens group 120 is configured between the first lens group 110 and reduced side, and has positive diopter.Second lens group 120 comprises from Zoom Side toward the 5th lens 121, the 6th lens 122, the 7th lens 123, the 8th lens 124 and the 9th lens 125 that reduced side is arranged in order, and the diopter of the 5th lens 121, the 6th lens 122, 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 is the effective focal length of the first lens group 110, f2 is the effective focal length of the second lens group 120, and fw is the effective focal length of zoom lens 100 when wide-angle side.
In the present embodiment, first lens 111, second lens 112, the 3rd lens 113 and the 4th lens 114 are spherical lens (sphericallens), and have at least the two to be non-spherical lens (asphericlens) in the 5th lens 121, the 6th lens 122, the 7th lens 123, the 8th lens 124 and the 9th lens 125.Specifically, in the present embodiment, the 5th lens 121 are such as non-spherical lens, and the 9th lens 125 are such as non-spherical lens, and the 6th lens 122, the 7th lens 123 and the 8th lens 124 are such as spherical lens.
In the present embodiment, zoom lens 100 also comprises aperture diaphragm (aperturestop) 130, and it is configured between the first lens group 110 and the second lens group 120.In the present embodiment, the second lens group 120 is zoom group, and the first lens group 110 is focusing group.In addition, in the present embodiment, when zoom lens 100 is changed from wide-angle side toward telescope end, the position of aperture diaphragm 130 remains unchanged relative to reduced side, and the first lens group 110 and the second lens group 120 close toward aperture diaphragm 130, such as changed to the state of Figure 1B by the state of Figure 1A, and then change to the state of Fig. 1 C.
In the present embodiment, the 3rd lens 113 and the 4th lens 114 form cemented doublet (doublecementedlens) 115, and the 6th lens 122 and the 7th lens 123 form cemented doublet 126.In addition, in the present embodiment, first lens 111 are such as the meniscus (convex-concavelens) convex surface facing Zoom Side, second lens 112 are such as biconcave lens (biconcavelens), 3rd lens 113 are such as the meniscus convex surface facing Zoom Side, 4th lens 114 are such as the concave-convex lens (concave-convexlens) convex surface facing Zoom Side, 5th lens 121 are such as biconvex lens (biconvexlens), 6th lens 122 are such as the meniscus convex surface facing Zoom Side, 7th lens 123 are such as biconvex lens, 8th lens 124 are such as the meniscus convex surface facing Zoom Side, and the 9th lens 125 are such as biconvex lens.In addition, in the present embodiment, reduced side may be configured with image sensor 60, and the scenery being positioned at Zoom Side can be imaged in image sensor 60 by zoom lens 100.Image sensor 60 is such as digital micro mirror device or CMOS (Complementary Metal Oxide Semiconductor) sensing element.When zoom lens 100 zoom, the position of aperture diaphragm 130 remains unchanged relative to the position of image sensor 60.
The zoom lens 100 of the present embodiment adopts diopter to be followed successively by negative, negative, negative, positive, positive and negative, positive and negative and positive lens combination from Zoom Side toward reduced side, the diopter of the first lens group 110 and the second lens group 120 be respectively negative with just, and the first lens group 110 and the second lens group 120 all move (moving relative to aperture diaphragm 130) relative to reduced side during zoom, therefore the zoom lens 100 of the present embodiment can reach miniaturization, picture without the effect of dark angle and wide viewing angle.For example, the zoom lens 100 of the present embodiment can make the field angle (2 ω) (fieldofview, FOV) of the diagonal in image sensor 60 up to 143.2 degree.In addition, the zoom lens 100 of the present embodiment can reach the resolution of three mega pixel levels.In addition, the part lens (such as the 7th lens 123) of the zoom lens 100 of the present embodiment can adopt the glass material of low dispersion, to improve the confocal effect of visible ray and infrared light.In other words, when adopting the Image sensor apparatus of zoom lens 100 detect visible image by day and detect infrared light image night, the sharp image that focusing is good all can be detected.Moreover the zoom lens 100 of the present embodiment can have large aperture, in one embodiment, the f-number (f-number) of zoom lens can be as small as 1.4.The zoom lens 100 of the present embodiment is suitable for arranging in pairs or groups with the image sensor 60 of large-size.But, when the zoom lens 100 of the present embodiment is arranged in pairs or groups with the image sensor 60 of reduced size, still good visual range can be provided.
Following content will enumerate an embodiment of zoom lens 100.Should be noted, data information listed in following table one, table two and table three is also not used to limit the present invention, have in any art and usually know that the knowledgeable is after reference the present invention, when doing suitable change to its parameter or setting, but it must belong in practical range of the present invention.
(table)
(table two)
In Table 1, spacing refers to the air line distance between two adjacently situated surfaces on optical axis A, for example, and the spacing of surperficial S1, the air line distance namely between surperficial S1 to surperficial S2 on optical axis A.Thickness in remarks column corresponding to each lens, refractive index and Abbe number please refer to the numerical value that in same column, each spacing, refractive index are corresponding with Abbe number.In addition, in Table 1, surface S1, S2 are two surfaces of the first lens 111, surface S3, S4 are two surfaces of the second lens 112, surface S5 is the surfaces of the 3rd lens 113 towards Zoom Side, surface S6 is the surface that the 3rd lens 113 are connected with the 4th lens 114, and surperficial S7 is the surfaces of the 4th lens 114 towards reduced side.Surface S8 be infrared cut of light light filter (infraredcutfilter) 70(is such as infrared cut of light film) position, surface S9 is the position of aperture diaphragm 130, wherein transparent substrates 80 is in order to carry infrared cut of light light filter 70, surface S8 is the surface of transparent substrates 80 towards Zoom Side, and surperficial S9 is the surface of transparent substrates 80 towards reduced side.Surface S10, S11 are two surfaces of the 5th lens 121, and surperficial S12 is the surfaces of the 6th lens 122 towards Zoom Side, and surperficial S13 is the surface that the 6th lens 122 are connected with the 7th lens 123, and surperficial S14 is the surfaces of the 7th lens 123 towards reduced side.Surface S15, S16 are two surfaces of the 8th lens 124, and surperficial S17, S18 are two surfaces of the 9th lens 125.Glass cover (coverglass) 50 can be provided with, to protect image sensor 60 between surface S18 and image sensor 60.The spacing of filling out in those row (row) of surface S18 is the spacing of surperficial S18 to image sensor 60.
In addition, table two list zoom lens 100 in wide-angle side, centre position and telescope end time effective focal length, f-number (F/#), the numerical value such as field angle and variable spacing d1, d2 and d3.
Above-mentioned surperficial S10, S11, S17 and S18 are even item aspheric surface, and its available following formula represents:
In formula, Z is the side-play amount (sag) in optical axis A direction, and c is the inverse of the radius of osculating sphere (osculatingsphere), namely close to the inverse of the radius-of-curvature (radius-of-curvature as S10, S11, S17 and S18 in table one) at optical axis A place.K is quadric surface coefficient (conic), and r is aspheric surface height, and be the height toward rims of the lens from lens center, and A2, A4, A6, A8 and A10 are asphericity coefficient (asphericcoefficient), coefficient A2 is 0 in the present embodiment.Listed by lower list three is the aspheric surface parameter value of surperficial S10, S11, S17 and S18.
(table three)
Fig. 2 A to Fig. 2 C is the optical analogy data plot of zoom lens when wide-angle side of Figure 1A, Fig. 3 A to Fig. 3 C is the optical analogy data plot of zoom lens when centre position of Figure 1B, and Fig. 4 A to Fig. 4 C is the optical analogy data plot of zoom lens when telescope end of Fig. 1 C.Please refer to Fig. 2 A to Fig. 4 C, wherein Fig. 2 A, Fig. 3 A and Fig. 4 A be with wavelength 588 how rice make the simulated data figure of the longitudinal aberration (longitudinalaberration) of simulating, wherein the pupil radius (pupilradius) of Fig. 2 A is 1.0135 millimeters, the pupil radius of Fig. 3 A is 1.4449 millimeters, and the pupil radius of Fig. 4 A is 1.5338 millimeters (namely in Fig. 2 A, 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 with the wavelength 588 how curvature of field (fieldcurvature) of meter Zuo Mo certificate and the optical analogy data plot of distortion (distortion), wherein the maximum field of view angle (half-angle) of Fig. 2 B is 71.588 degree, the maximum field of view angle (half-angle) of Fig. 3 B is 37.952 degree, and the maximum field of view angle (half-angle) of Fig. 4 B 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 the data in meridian (tangential) direction.Fig. 2 C, Fig. 3 C and Fig. 4 C be with wavelength 486,588 and 656 how rice make the optical analogy data plot of the lateral chromatic aberration simulated, wherein the maximum image height (being namely positioned at the maximum image height of reduced side) of Fig. 2 C, Fig. 3 C and Fig. 4 C is 3.41 millimeters.The figure gone out shown by Fig. 2 A to Fig. 4 C, all in the scope of standard, can verify that the zoom lens 100 of the present embodiment can have good optical imagery quality really thus.
Fig. 5 A to Fig. 5 C is the structural representation of zoom lens respectively at wide-angle side, centre position and telescope end of another embodiment of the present invention.Please refer to Fig. 5 A to Fig. 5 C, the zoom lens 100a of the present embodiment is similar to the zoom lens 100 of Figure 1A to Fig. 1 C, and both Main Differences are as described below.Please refer to Fig. 5 A to Fig. 5 C, in the second lens group 120a of the zoom lens 100a of the present embodiment, the 8th lens 124a is biconcave lens, and the 9th lens 125a is the concave-convex lens convex surface facing Zoom Side.The zoom lens 100a of the present embodiment also can reach advantage and effect of above-mentioned zoom lens 100, no longer repeats at this.
Following content will enumerate an embodiment of zoom lens 100a.Should be noted, data information listed in following table four, table five and table six is also not used to limit the present invention, have in any art and usually know that the knowledgeable is after reference the present invention, when doing suitable change to its parameter or setting, but it must 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 of his-and-hers watches one, no longer repeats at this.In addition, table five list zoom lens 100a in wide-angle side, centre position and telescope end time effective focal length, f-number (F/#), the numerical value such as field angle and variable spacing d1, d2 and d3.
Above-mentioned surperficial S10, S11, S17 and S18 are even item aspheric surface, its formula be same as above-mentioned table three the formula that is suitable for.Coefficient A2 is 0 in the present embodiment.Listed by lower list six is the aspheric surface parameter value of surperficial S10, S11, S17 and S18 of zoom lens 100a.
(table six)
Fig. 6 A to Fig. 6 C is the optical analogy data plot of zoom lens when wide-angle side of Fig. 5 A, Fig. 7 A to Fig. 7 C is the optical analogy data plot of zoom lens when centre position of Fig. 5 B, and Fig. 8 A to Fig. 8 C is the optical analogy data plot of zoom lens when telescope end of Fig. 5 C.Please refer to Fig. 6 A to Fig. 8 C, wherein Fig. 6 A, Fig. 7 A and Fig. 8 A be with wavelength 588 how rice make the simulated data figure of the longitudinal aberration of simulating, wherein the pupil radius of Fig. 6 A is 1.0033 millimeters, the pupil radius of Fig. 7 A is 1.4024 millimeters, and the pupil radius of Fig. 8 A is 1.4714 millimeters (namely in Fig. 6 A, Fig. 7 A and Fig. 8 A, the maximum scale (that scale of top) of the longitudinal axis is respectively 1.0033 millimeters, 1.4024 millimeters and 1.4714 millimeters).Fig. 6 B, Fig. 7 B and Fig. 8 B are with the wavelength 588 how curvature of field of meter Zuo Mo certificate and the optical analogy data plot of distortion, wherein the maximum field of view angle (half-angle) of Fig. 6 B is 71.761 degree, the maximum field of view angle (half-angle) of Fig. 7 B is 38.324 degree, and the maximum field of view angle (half-angle) of Fig. 8 B is 25.908 degree.In addition, in the figure of the curvature of field, 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 be with wavelength 486,588 and 656 how rice make the optical analogy data plot of the lateral chromatic aberration simulated, wherein the maximum image height (being namely positioned at the maximum image height of reduced side) of Fig. 6 C, Fig. 7 C and Fig. 8 C is 3.41 millimeters.The figure gone out shown by Fig. 6 A to Fig. 8 C, all in the scope of standard, can verify that the zoom lens 100a of the present embodiment can have good optical imagery quality really thus.
In sum, zoom lens due to embodiments of the invention has diopter and is followed successively by negative, negative, negative, positive, positive and negative, positive and negative and positive lens combination from Zoom Side toward reduced side, 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 only preferred embodiment of the present invention, can not limit scope of the invention process with this, all simple equivalences done according to the claims in the present invention and invention description content change and modify, and all still remain within the scope of the patent.Any embodiment of the present invention or claim must not reach whole object disclosed by the present invention or advantage or feature in addition.In addition, summary part and title are only used to the use of auxiliary patent document search, are not used for limiting interest field of the present invention.
Symbol description
50: glass cover
60: image sensor
70: infrared cut of light light filter
80: transparent substrates
100,100a: zoom lens
110: the first lens groups
111: the first lens
112: the second lens
113: the three lens
114: the four lens
115,126: cemented doublet
120, the 120a: the second lens group
121: the five lens
122: the six lens
123: the seven lens
124, the 124a: the eight lens
125, the 125a: the nine lens
130: aperture diaphragm
A: optical axis
S1 ~ S18: surface.
Claims (11)
1. a zoom lens, in order to be configured between a Zoom Side and a reduced side, this zoom lens comprises one first lens group and one second lens group,
This first lens group, be configured between this Zoom Side and this reduced side, and there is negative diopter, this first lens group comprises from this Zoom Side toward one first lens, one second lens, one the 3rd lens and one the 4th lens that this reduced side is arranged in order, and the diopter of these first lens, these second lens, the 3rd lens and the 4th lens is followed successively by negative, negative, negative and just;
This second lens group, be configured between this first lens group and this reduced side, and there is positive diopter, this second lens group comprises from this Zoom Side toward one the 5th lens, one the 6th lens, one the 7th lens, one the 8th lens and one the 9th lens that this reduced side is arranged in order, and the diopter of the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens is followed successively by positive and negative, positive and negative and just
Wherein, this zoom lens meets-2.8<f1/fw<-2.3 and 0.6< ∣ f1/f2 ∣ <0.9, wherein f1 is the effective focal length of this first lens group, f2 is the effective focal length of this second lens group, and fw is the effective focal length of this zoom lens when wide-angle side.
2. zoom lens as claimed in claim 1, it is characterized in that, these first lens, these second lens, the 3rd lens and the 4th lens are spherical lens, and have at least the two to be non-spherical lens in the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens.
3. zoom lens as claimed in claim 1, it is characterized in that, the 5th lens are non-spherical lens.
4. zoom lens as claimed in claim 1, it is characterized in that, the 9th lens are non-spherical lens.
5. zoom lens as claimed in claim 1, also comprise an aperture diaphragm, this aperture diaphragm is configured between this first lens group and this second lens group.
6. zoom lens as claimed in claim 5, it is characterized in that, when this zoom lens is changed from wide-angle side toward telescope end, the position of this aperture diaphragm remains unchanged relative to this reduced side, and this first lens group and this second lens group close toward this aperture diaphragm.
7. zoom lens as claimed in claim 1, it is characterized in that, this second lens group is zoom group, and this first lens group is focusing group.
8. zoom lens as claimed in claim 1, is characterized in that, the 3rd lens and the 4th lens forming cemented doublet.
9. zoom lens as claimed in claim 1, is characterized in that, the 6th lens and the 7th lens forming cemented doublet.
10. zoom lens as claimed in claim 1, it is characterized in that, these first lens are the meniscus convex surface facing this Zoom Side, these second lens are biconcave lens, 3rd lens are the meniscus convex surface facing this Zoom Side, 4th lens are the concave-convex lens convex surface facing this Zoom Side, 5th lens are biconvex lens, 6th lens are the meniscus convex surface facing this Zoom Side, 7th lens are biconvex lens, 8th lens are the meniscus convex surface facing this Zoom Side, and the 9th lens are biconvex lens.
11. zoom lens as claimed in claim 1, it is characterized in that, these first lens are the meniscus convex surface facing this Zoom Side, these second lens are biconcave lens, 3rd lens are the meniscus convex surface facing this Zoom Side, 4th lens are the concave-convex lens convex surface facing this Zoom Side, 5th lens are biconvex lens, 6th lens are the meniscus convex surface facing this Zoom Side, 7th lens are biconvex lens, 8th lens are biconcave lens, and the 9th lens are the concave-convex lens convex surface facing this Zoom Side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610145199.6A CN105842829B (en) | 2013-03-08 | 2013-12-26 | Zoom lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102108300A TWI460467B (en) | 2013-03-08 | 2013-03-08 | Zoom lens |
| TW102108300 | 2013-03-08 |
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| CN201610145199.6A Division CN105842829B (en) | 2013-03-08 | 2013-12-26 | Zoom lens |
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| CN104035189A CN104035189A (en) | 2014-09-10 |
| CN104035189B true CN104035189B (en) | 2016-04-20 |
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| CN201610145199.6A Active CN105842829B (en) | 2013-03-08 | 2013-12-26 | Zoom lens |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572854A (en) * | 2014-10-10 | 2016-05-11 | 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006113300A (en) * | 2004-10-14 | 2006-04-27 | Funai Electric Co Ltd | Zoom lens for projection and image projecting device |
| JP2008065051A (en) * | 2006-09-07 | 2008-03-21 | Fujinon Corp | Zoom lens |
| CN101377561A (en) * | 2007-08-29 | 2009-03-04 | 鸿富锦精密工业（深圳）有限公司 | Projecting lens |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100531010B1 (en) * | 2003-11-28 | 2005-11-25 | 삼성테크윈 주식회사 | Wide-angle projection lens |
| 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 |
| TWI317819B (en) * | 2006-11-02 | 2009-12-01 | Young Optics Inc | Zoom 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 |
-
2013
- 2013-03-08 TW TW102108300A patent/TWI460467B/en active
- 2013-12-26 CN CN201310728265.9A patent/CN104035189B/en active Active
- 2013-12-26 CN CN201610145199.6A patent/CN105842829B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006113300A (en) * | 2004-10-14 | 2006-04-27 | Funai Electric Co Ltd | Zoom lens for projection and image projecting device |
| JP2008065051A (en) * | 2006-09-07 | 2008-03-21 | Fujinon Corp | Zoom lens |
| CN101377561A (en) * | 2007-08-29 | 2009-03-04 | 鸿富锦精密工业（深圳）有限公司 | Projecting lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105842829A (en) | 2016-08-10 |
| TWI460467B (en) | 2014-11-11 |
| CN104035189A (en) | 2014-09-10 |
| CN105842829B (en) | 2018-02-16 |
| TW201435385A (en) | 2014-09-16 |
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