CN105242374B - Optical lens - Google Patents
Optical lens Download PDFInfo
- Publication number
- CN105242374B CN105242374B CN201410330477.6A CN201410330477A CN105242374B CN 105242374 B CN105242374 B CN 105242374B CN 201410330477 A CN201410330477 A CN 201410330477A CN 105242374 B CN105242374 B CN 105242374B
- Authority
- CN
- China
- Prior art keywords
- lens
- diopter
- optical
- optical lens
- thing side
- 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.)
- Active
Links
Abstract
A kind of optical lens of exposure of the present invention, is sequentially included from thing side to image side：One the first lens with positive diopter, second lens with negative diopter, the 3rd lens with positive diopter, the 4th lens with negative diopter, one has the 5th lens of positive diopter, and one has the 6th lens for bearing diopter.Optical lens meets following condition：0.65<efl/TTL<0.8, wherein, efl is the effective focal length of optical lens, and TTL is the distance from the thing side of the first lens to an imaging surface.
Description
Technical field
The present invention relates to a kind of optical lens, and more particularly to a kind of small volume and the good optical lens of image quality.
Background technology
Camera device, such as handheld communication system, digital camera, digital code camera or motion photography machine, mainly in combination with
Camera lens module and CIS, to converging beam and be converted into the electronic signal of image, in order to follow-up storage,
Processing and transmission.
The optical lens of camera device is typically to be made up of multi-disc eyeglass, miniature in order to increase the competitive advantage of in the market
Change, high image quality and to reduce cost be always the target to be pursued of product development.
Therefore, need badly and propose a kind of new optical lens, on the premise of manufacturing cost is reduced, while realize optical lens
Miniaturization and the purpose of lifting image quality.
The content of the invention
It is an object of the invention to provide a kind of optical lens.On the premise of manufacturing cost is reduced, while realize optics
Camera lens minimizes and lifting image quality.
According to one embodiment of the invention, a kind of optical lens is proposed.Optical lens sequentially includes from thing side to image side：One
The first lens with positive diopter, second lens with negative diopter, one has the 3rd lens of positive diopter, a tool
There are the 4th lens of negative diopter, one has the 5th lens of positive diopter, and one has the 6th lens for bearing diopter.Optics
Camera lens meets following condition：0.65<efl/TTL<0.8, wherein, efl is the effective focal length of optical lens, and TTL is from first
The thing side of lens to an imaging surface distance.
According to another embodiment of the present invention, a kind of optical lens is proposed.Optical lens sequentially includes from thing side to image side：
One the first lens with positive diopter, second lens with negative diopter, one has the 3rd lens of positive diopter, one
The 4th lens with negative diopter, one has the 5th lens of positive diopter, and one has the 6th lens for bearing diopter, its
In the first lens there is refractive index nd1 and Abbe number vd1, and nd1 and/or vd1 meet following condition：1.5<nd1<1.95 with
And 35<vd1<70.
According to further embodiment of this invention, a kind of optical lens is proposed.Optical lens sequentially includes from thing side to image side：One
The first lens with positive diopter, second lens with negative diopter, one has the 3rd lens of positive diopter, a tool
There are the 4th lens of negative diopter, one has the 5th lens of positive diopter, and one has the 6th lens for bearing diopter, wherein
Meniscus of 4th convex lens surface towards thing side.
According to a more embodiment of the invention, a kind of optical lens is proposed.Optical lens sequentially includes from thing side to image side：One
The first lens with positive diopter, second lens with negative diopter, one has the 3rd lens of positive diopter, a tool
There are the 4th lens of negative diopter, one has the 5th lens of positive diopter, and one has the 6th lens for bearing diopter, wherein
First lens are a glass lens.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 illustrates the optical lens according to the first embodiment of the present invention；
Fig. 2A illustrates the curvature of field (field curvature) curve of the optical lens according to the first embodiment of the present invention
Figure；
Fig. 2 B illustrate distortion (distortion) curve map of the optical lens according to the first embodiment of the present invention；
Fig. 3 illustrates fans map analysis (Ray Fan) simulation drawing according to the light of the optical lens of the first embodiment of the present invention；
Fig. 4 illustrates optical lens according to the second embodiment of the present invention；
Fig. 5 A illustrate the curvature of field curve map of optical lens according to the second embodiment of the present invention；
Fig. 5 B illustrate the distortion curve figure of optical lens according to the second embodiment of the present invention；
Fig. 6 illustrates the light fan map analysis simulation drawing of optical lens according to the second embodiment of the present invention；
Fig. 7 illustrates optical lens according to the third embodiment of the invention；
Fig. 8 A illustrate the curvature of field curve map of optical lens according to the third embodiment of the invention；
Fig. 8 B illustrate the distortion curve figure of optical lens according to the third embodiment of the invention；
Fig. 9 illustrates the light fan map analysis simulation drawing of optical lens according to the third embodiment of the invention.
Embodiment
Various embodiments of the present invention are will be described below, and coordinate accompanying drawing illustratively.In addition to these detailed descriptions, this
Invention can also be implemented widely in other examples, and the replacement easily of any embodiment, modification, equivalence changes are all
It is defined in the range of this case, and by right afterwards.In the description of specification, in order that reader is to this
Invention has more complete understanding, there is provided many specific details；However, the present invention may be in clipped or all these are specific
On the premise of details, it can still implement.Moreover, it is well known that the step of or element be not described in details, to avoid causing this
Invent unnecessary limitation.Same or similar element will be represented with same or like symbol in accompanying drawing.It is specifically intended that
Accompanying drawing is only that signal is used, not representation element actual size or quantity, unless otherwise specified.
Fig. 1 illustrates the optical lens OL1 according to the first embodiment of the present invention.It is only aobvious to show the feature of the present embodiment
Show the structure relevant with the present embodiment, remaining structure is omitted.The optical lens OL1 of the present embodiment, can be applied to shadow
On one device of picture projection or acquisition function, for example, handheld communication system, automobile-used pick-up lens, monitoring system, digital phase
Machine, digital code camera or projector.
As shown in figure 1, in the present embodiment, optical lens OL1 is from thing side (object side) to image side (image-
Forming side) sequentially mainly include：One the first lens L1 with positive diopter, second lens with negative diopter
L2, a 3rd lens L3 with positive diopter, a 4th lens L4 with negative diopter, one has the 5th of positive diopter
Lens L5, and a 6th lens L6 with negative diopter.
In embodiment, the lens L6 of the first lens L1~the 6th diopter by it is positive and negative staggeredly in a manner of intert arrangement.
In embodiment, optical lens OL1 meets following condition：
0.65<efl/TTL<0.8
Wherein, efl is optical lens OL1 effective focal length, and TTL is from the first lens L1 thing side to an imaging surface I
Distance.Specifically, TTL is the distance from the summit of the first lens L1 first surface to an imaging surface I.Wherein, the first table
Face is equal to the surface code name S1 of table one, table three, table four, table six, table seven and table nine.
Furthermore as shown in figure 1, optical lens OL1 further includes diaphragm St and optical filter F.Diaphragm St is arranged at the first lens
L1 thing side, the luminous flux into the first lens L1 can be limited according to this；Optical filter F be arranged at the 6th lens L6 and imaging surface I it
Between, the black light in light beam can be filtered out, wherein optical filter F can be an infrared fileter.In addition, set on imaging surface I
One has the image acquisition unit of photoelectric converting function, and it can receive the light beam through optical filter F, and in imaging surface I with filtering
Between piece F, still there is protective glass (cover glass) of the plate glass C as image acquisition unit.
In an embodiment, the first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and
At least one of 6th lens L6 can be non-spherical lens, wherein each non-spherical lens has an at least non-spherical surface.Specifically
For, the first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and the 6th lens L6 can be
Non-spherical lens, and each non-spherical lens has an at least non-spherical surface, and each non-spherical surface can meet following mathematics
Formula：
Wherein Z be optical axis OA directions coordinate values, using optical transmission direction as positive direction, A4, A6, A8, A10, A12 and
A14 is asphericity coefficient, and K is quadratic surface constant, and C=1/R, R are radius of curvature, and Y is the coordinate for being orthogonal to optical axis OA directions
Value, using top as positive direction.In addition, the parameters of the aspherical mathematical expression of each non-spherical lens or the value of coefficient can be distinguished
Setting, to determine the focal length of each non-spherical lens.Via the setting of optical parametric, it can reach a non-spherical lens and be equivalent to
The optical effect of two or more spherical lenses, therefore the first lens L1, the second lens L2, the 3rd lens L3, the 4th
Lens L4, the 5th lens L5 and the 6th lens L6 are that non-spherical lens can reduce number of lenses in optical lens, also may be used
Reduce integral thickness, and then the size of whole optical lens is reduced.
In another embodiment, the first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5
And the 6th at least one of lens L6 can be free-form surface lens, wherein each free-form surface lens have an at least free form surface table
Face.Specifically, the first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and the 6th lens
L6 can be free-form surface lens, or respectively non-spherical lens or free-form surface lens.It is or the first lens L1, second saturating
At least one of mirror L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and the 6th lens L6 can have one aspherical simultaneously
Surface and a free form surface surface, and be not limited.
In addition, in embodiment, the first lens L1 can use glass lens, and the second lens L2, the 3rd lens L3, the 4th saturating
Mirror L4, the 5th lens L5 and the 6th lens L6 materials can use plastic cement or glass, wherein, plastic cement material can include, but not limit to
In, polycarbonate (polycarbonate), cyclic olefine copolymer (such as APEL), and polyester resin (such as OKP4 or
OKP4HT) etc., or be the mixing material of at least one for including foregoing three.
In the present embodiment, as shown in figure 1, the first lens L1 is the meniscus towards thing side for convex surface, the second lens L2 is
For biconcave lens, the 3rd lens L3 is for biconvex lens, and the 4th lens L4 is the meniscus towards thing side for convex surface, the 5th lens
L5 is the concave-convex lens towards image side for convex surface, and the 6th lens L6 is the meniscus towards thing side for convex surface.
Furthermore optical lens OL1 can also meet following condition：
1.5<nd1<1.95 and 35<vd1<70
Wherein, nd1 is the first lens L1 refractive index, and vd1 is the first lens L1 Abbe number.
Furthermore optical lens OL1 can also meet following condition：
1.6<Fno<2.2
Wherein, Fno is optical lens OL1 aperture-coefficient.In one embodiment, optical lens OL1 aperture-coefficient can be with
Between 1.6 and 11.Specifically, optical lens OL1 aperture-coefficient is the multi-sectional stop between 1.8 to 11.
Furthermore optical lens OL1 can also meet following condition：
15mm<TTL<18mm
Table one lists the detailed data according to a present invention such as Fig. 1 optical lens OL1 embodiment, and it includes each lens
Effective focal length, radius of curvature, thickness, refractive index, abbe number etc..The surface code name of wherein eyeglass be from thing side to image side according to
Sequence layout, such as：" S1 " represents the first lens L1 towards the surface of thing side, and " S2 " represents surfaces of the first lens L1 towards image side, " S "
Represent diaphragm surface, " S13 " and " S14 " represent optical filter F thing side surface and image side surface respectively, and plate glass C thing
Side and image side surface are " S15 " and " S16 " etc. respectively.In addition, " thickness " represents the surface and adjacent to the surface of image side one
Distance, for example, surface S1 " thickness " is surface S1 and surface S2 distance, surface S2 " thickness " is surface S2 and surface S3
Distance.
Table one
| Effective focal length | Lens code name | Surface code name | Radius of curvature (mm) | Thickness (mm) | Refractive index nd | Abbe number vd |
| S | ∞ | 0.1 | ||||
| 24.15 | L1 | S1 | 8.538 | 1.17 | 1.85 | 40 |
| S2 | 13.616 | 0.64 | ||||
| -13.7 | L2 | S3 | -37.808 | 0.45 | 1.61 | 26.65 |
| S4 | 10.837 | 0.2 |
| 7.33 | L3 | S5 | 8.223 | 2.89 | 1.535 | 57 |
| S6 | -6.619 | 0.1 | ||||
| -23.19 | L4 | S7 | 7.736 | 1.37 | 1.64 | 24 |
| S8 | 4.735 | 2.67 | ||||
| 6.4 | L5 | S9 | -27.026 | 2.44 | 1.535 | 57 |
| S10 | -3.136 | 0.27 | ||||
| -5.2 | L6 | S11 | -93.453 | 0.95 | 1.535 | 57 |
| S12 | 2.897 | 1.05 | ||||
| F | S13 | ∞ | 0.3 | 1.5233 | 54.517 | |
| S14 | ∞ | 0.4 | ||||
| C | S15 | ∞ | 0.5 | 1.5167 | 64.167 | |
| S16 | ∞ | 1.2 | ||||
| I | ∞ |
Table two lists the focal length f, f-number FNO, visual angle half-angle ω (half angle of the above embodiment of the present invention
View), image height Y and total lens length TTL.
Table two
| Parameter | |
| f(mm) | 11.9 |
| FNO | 1.85 |
| ω(°) | 32.9 |
| Y(mm) | 8 |
| TTL(mm) | 16.4 |
In addition, the first lens L1 in above-described embodiment~the 6th lens L6 all surface, that is, surface code name for "
S1 ", " S2 ", " S3 ", " S4 ", " S5 ", " S6 ", " S7 ", " S8 ", " S9 ", " S10 ", " S11 " and " S12 " person, its aspherical mathematics
Each term coefficient in formula is as shown in Table 3.
Table three
| K | A4 | A6 | A8 | A10 | A12 | A14 |
| S1 | -9.61 | 0.0012 | -9.595e-5 | 6.236e-6 | -3.756e-7 | 1.425e-8 | 0 |
| S2 | 0 | -0.000854 | -4.1834e-5 | 1.7561e-5 | -1.3581e-6 | 3.62e-8 | 0 |
| S3 | -44.74554 | 0.001193 | -9.144e-5 | 6.472e-6 | -4.15e-7 | -1.2525e-8 | 0 |
| S4 | 2.981823 | 0.001234 | -6.816e-5 | -3.177e-6 | 2.980e-8 | 1.719e-9 | 0 |
| S5 | 0 | -0.001038 | -2.470e-5 | 3.5952e-6 | -2.063e-7 | 3.568e-9 | 0 |
| S6 | -10.5108 | -0.00303 | 0.0001286 | -8.939e-6 | 3.2e-7 | -6.6e-9 | 0 |
| S7 | -1.021439 | -0.0009023 | 4.1594e-5 | -2.4416e-7 | -6.682e-9 | -8.021e-10 | 0 |
| S8 | -5.519108 | 0.002447086 | -0.00012675082 | 8.0085112e-6 | -2.1787441e-7 | 1.8467446e-9 | 0 |
| S9 | -3.885656 | 0.0003165 | -0.0001261 | 1.1283e-5 | -6.9186e-7 | 1.8303e-8 | -1.866e-010 |
| S10 | -6.748573 | -0.001632 | -0.00014 | 2.298e-5 | -1.294e-6 | 2.536e-8 | -3.213e-11 |
| S11 | 0 | -0.0055 | -0.000169 | 4.7655e-5 | -3.2e-6 | 9.046e-8 | -8.894e-10 |
| S12 | -7.198051 | -0.00434 | 0.0002174 | -7.4581e-6 | 1.324e-7 | -1.03253e-9 | 1.2604e-12 |
Fig. 2A illustrates the curvature of field (field curvature) curve of optical lens OL1 according to a first embodiment of the present invention
Figure.Wherein, curve T, S shows optical lens OL1 for tangent light beam (Tangential Rays) and sagittal beam respectively
The aberration of (Sagittal Rays).The tangent curvature of field value and arc for the light beam that wavelength is 436nm, 546nm and 656nm are shown in figure
Vector field song value is controlled in good scope.
Fig. 2 B illustrate distortion (distortion) curve map according to the optical lens OL1 of the first embodiment of the present invention.
Show that the aberration rate for the light beam that wavelength is 436nm, 546nm and 656nm is controlled in the range of (- 0.5% ,+0.5%) in figure.
Fig. 3 illustrates fans map analysis (Ray Fan) simulation according to the optical lens OL1 of first embodiment of the present invention light
Figure.Wherein, multigroup analogue data in Fig. 3 respectively according to different image height Y and with three kinds of different wave lengths (be respectively 436nm,
546nm and 656nm) light beam simulate and obtain.
Fig. 4 illustrates optical lens OL2 according to the second embodiment of the present invention.The optical lens of second embodiment of the invention
OL2 structure, roughly the same with the optical lens OL1 of the first embodiment shown in Fig. 1, Main Differences are in composition eyeglass,
Particularly the first lens L1 and the second lens L2 characteristic are different.Do not existed together with example explanation below, mutually existing together can continue to use previously
Illustrate, repeat no more.
Furthermore, in the present embodiment, as shown in figure 4, optical lens OL2 the first lens L1 is for positive lenticular
Mirror, the second lens L2 are the negative meniscus towards thing side for convex surface.
Table four lists the detailed data according to a present invention such as Fig. 4 optical lens OL2 embodiment, and it includes each lens
Effective focal length, radius of curvature, thickness, refractive index, abbe number etc..Wherein each code name is identical with previous embodiment, in this
Repeat no more.
Table four
Table five lists the focal length f, f-number FNO, visual angle half-angle ω (half angle of the above embodiment of the present invention
View), image height Y and total lens length TTL, table six list all of the lens L6 of the first lens L1 in above-described embodiment~the 6th
Each term coefficient in the aspherical mathematical expression on surface.
Table five
| Parameter |
| f(mm) | 11.9 |
| FNO | 1.85 |
| ω(°) | 32.9 |
| Y(mm) | 8 |
| TTL(mm) | 16.3 |
Table six
| K | A4 | A6 | A8 | A10 | A12 | A14 | A16 | |
| S1 | -14.77751 | 0.000616513 | -0.0001022 | 1.06e-7 | 5.37e-8 | -7.16e-9 | 4.77e-10 | 0 |
| S2 | 0 | 0.001057971 | -0.0002778 | 1.77e-5 | -8.70e-7 | 2.22e-8 | 3.00e-10 | 0 |
| S3 | 9.981192 | -0.001221668 | -0.000116 | 1.49e-5 | -9.76e-7 | 2.86e-8 | 7.47e-11 | 0 |
| S4 | -4.36996 | -0.000905178 | 5.043e-5 | 3.67e-7 | -2.16e-7 | 6.32e-9 | 5.66e-11 | 0 |
| S5 | -5.040972 | 0.000260241 | -7.08e-5 | 7.68e-6 | -3.47e-7 | 1.03e-8 | -1.59e-10 | 0 |
| S6 | -13.42125 | -0.001954462 | 0.0001266 | -7.81e-6 | 2.20e-7 | -2.07e-9 | 1.64e-11 | 0 |
| S7 | -1.730793 | -0.000992721 | 6.701e-5 | -2.35e-6 | 3.47e-8 | -9.51e-10 | 3.41e-11 | -2.3e-12 |
| S8 | -6.222496 | 0.001496533 | -0.0001122 | 8.65e-6 | -3.83e-7 | 7.01e-9 | 8.39e-11 | -4.7e-12 |
| S9 | -2.085693 | 0.002514296 | -0.000277 | 2.98e-5 | -1.67e-6 | 4.52e-8 | -6.51e-10 | 3.85e-15 |
| S10 | -5.536593 | -0.000487966 | -5.094e-5 | 2.02e-5 | -1.01e-6 | 1.85e-8 | -1.89e-10 | 8.25e-13 |
| S11 | 0 | -0.002302029 | -0.000274 | 5.09e-5 | -3.63e-6 | 1.26e-7 | -1.72e-9 | -9.4e-13 |
| S12 | -8.788302 | -0.00282851 | 0.0001279 | -4.40e-6 | 8.29e-8 | -7.83e-10 | 2.41e-12 | -1.0e-14 |
Fig. 5 A illustrate the curvature of field curve map of optical lens OL2 according to the second embodiment of the present invention.Wherein, curve T, S
Show optical lens OL2 for tangent light beam and the aberration of sagittal beam respectively.Shown in figure wavelength for 436nm, 546nm and
The tangent curvature of field value of 656nm light beam is controlled in good scope with Sagittal field curvature value.
Fig. 5 B illustrate the distortion curve figure of optical lens OL2 according to the second embodiment of the present invention.Wavelength is shown in figure
Aberration rate for 436nm, 546nm and 656nm light beam is controlled in the range of (- 0.5% ,+0.5%).
Fig. 6 illustrates the light fan map analysis simulation drawing of optical lens OL2 according to the second embodiment of the present invention.Wherein, Fig. 6
In multigroup analogue data respectively according to different image height Y and with three kinds of different wave lengths (be respectively 436nm, 546nm and 656nm)
Light beam simulate and obtain.
Specifically, since the optical lens OL2 of the present embodiment the second lens L2 has negative diopter, higher than 1.60
Refractive index and substantially 24 abbe number, after collocation has the first lens L1 and the 3rd lens L3 of positive diopter, have more
The effect that good aberration improves.
Fig. 7 illustrates optical lens OL3 according to the third embodiment of the invention.The optical lens of third embodiment of the invention
OL3 structure, roughly the same with the optical lens OL1 of the first embodiment shown in Fig. 1, Main Differences are in composition mirror figure
Piece, particularly the first lens L1 and the second lens L2 characteristic are different.Do not existed together with example explanation below, elder generation can be continued to use by mutually existing together
Preceding explanation, is repeated no more.
In the present embodiment, as shown in fig. 7, optical lens OL3 the first lens L1 is the meniscus for convex surface towards thing side,
Second lens L2 is the meniscus towards thing side for convex surface.
Table seven lists the detailed data according to a present invention such as Fig. 7 optical lens OL3 embodiment, and it includes each lens
Effective focal length, radius of curvature, thickness, refractive index, abbe number etc..Wherein each code name is identical with previous embodiment, in this
Repeat no more.
Table seven
| Effective focal length | Lens code name | Surface code name | Radius of curvature (mm) | Thickness (mm) | Refractive index | Abbe number |
| S | ∞ | -0.05 | ||||
| 19.05 | L1 | S1 | 8.61 | 0.92 | 1.62 | 64 |
| S2 | 30.25 | 0.10 | ||||
| -20.85 | L2 | S3 | 4.48 | 0.40 | 1.61 | 26.65 |
| S4 | 3.21 | 0.76 | ||||
| 7.92 | L3 | S5 | 20.00 | 2.28 | 1.535 | 57 |
| S6 | -5.18 | 0.10 | ||||
| -16.78 | L4 | S7 | 5.98 | 0.85 | 1.64 | 24 |
| S8 | 3.63 | 2.14 | ||||
| 6.12 | L5 | S9 | -10.30 | 1.92 | 1.535 | 57 |
| S10 | -2.65 | 0.15 | ||||
| -5.34 | L6 | S11 | -168.01 | 1.59 | 1.535 | 57 |
| S12 | 2.92 | 1.14 | ||||
| F | S13 | ∞ | 0.30 | 1.5233 | 54.517 | |
| S14 | ∞ | 0.40 |
| C | S15 | ∞ | 0.50 | 1.5167 | 64.167 | |
| S16 | ∞ | 1.20 | ||||
| I | ∞ |
Table eight list the focal length f of the above embodiment of the present invention, f-number FNO, visual angle half-angle ω (half angleview),
Image height Y and total lens length TTL, table nine list the lens L6 of the first lens L1 in above-described embodiment~the 6th all surface
Each term coefficient in aspherical mathematical expression.
Table eight
| Parameter | |
| f(mm) | 10.62 |
| FNO | 1.88 |
| ω(°) | 37.3 |
| Y(mm) | 8 |
| TTL(mm) | 14.74 |
Table nine
| K | A4 | A6 | A8 | A10 | A12 | A14 | A16 | |
| S1 | -6.32 | 0.001132 | -0.000207 | -4.32e-6 | 5.37e-8 | -2.65e-8 | 0 | 0 |
| S2 | 0.00 | 0.00230 | -0.00058 | 2.38e-5 | -1.51e-6 | 4.77e-8 | 0 | 0 |
| S3 | -7.88 | -0.00192 | -0.000195 | 2.12e-5 | -2.01e-6 | 6.13e-8 | 0 | 0 |
| S4 | -4.54 | -0.00149 | -0.000103 | 1.82e-5 | -1.69e-6 | 4.79e-8 | 0 | 0 |
| S5 | 0.00 | 0.000434 | -0.000257 | 1.37e-5 | -2.68e-7 | 6.44e-9 | 0 | 0 |
| S6 | -10.35 | -0.00336 | 0.000090 | 1.23e-6 | -5.17e-7 | 2.00e-8 | 0 | 0 |
| S7 | -0.41 | -0.00503 | 0.000216 | -4.47e-6 | 9.90e-8 | -6.50e-9 | 0 | 0 |
| S8 | -5.66 | 0.000822 | -0.000158 | 1.31e-5 | -4.90e-7 | 5.10e-9 | 0 | 0 |
| S9 | 2.34 | 0.00282 | -0.000233 | 2.80e-5 | -1.56e-6 | 9.95e-9 | 8.52e-10 | 0 |
| S10 | -4.24 | -0.00193 | -0.000057 | 2.51e-5 | -1.18e-6 | -1.78e-8 | 1.42e-9 | 0 |
| S11 | 0.00 | -0.00369 | -0.000279 | 6.02e-5 | -4.58e-6 | 1.53e-7 | -1.9e-9 | 0 |
| S12 | -7.31 | -0.00383 | 0.000200 | -7.71e-6 | 1.61e-7 | -1.73e-9 | 7.16e-12 | 0 |
Fig. 8 A illustrate the curvature of field curve map of optical lens OL3 according to the third embodiment of the invention.Wherein, curve T, S
Show optical lens OL3 for tangent light beam and the aberration of sagittal beam respectively.Shown in figure wavelength for 436nm, 546nm and
The tangent curvature of field value of 656nm light beam is controlled in good scope with Sagittal field curvature value.
Fig. 8 B illustrate the distortion curve figure of optical lens OL3 according to the third embodiment of the invention.Wavelength is shown in figure
Aberration rate for 436nm, 546nm and 656nm light beam is controlled in the range of (- 0.5% ,+0.5%).
Fig. 9 illustrates the light fan map analysis simulation drawing of optical lens OL3 according to the third embodiment of the invention.Wherein, Fig. 9
In multigroup analogue data respectively according to different image height Y and with three kinds of different wave lengths (be respectively 436nm, 546nm and 656nm)
Light beam simulate and obtain.
From Fig. 2A to Fig. 3, Fig. 5 A to Fig. 6 and Fig. 8 A to Fig. 9, optical lens OL1, OL2, OL3's of the present embodiment
Spherical aberration, the curvature of field, distortion can obtain well-corrected, and light fan map analysis data also fall in the range of standard.Therefore, according to
Embodiments of the invention, optical lens OL1, OL2, OL3 can produce high-res, low under conditions of cost, miniaturization is reduced
The image of the high-quality of aberration.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Know those skilled in the art when can be made according to the present invention it is various it is corresponding change and deformation, but these corresponding change and become
Shape should all belong to the protection domain of appended claims of the invention.
Claims (12)
1. a kind of optical lens, it is characterised in that sequentially included from thing side to image side：One the first lens with positive diopter,
One the second lens with negative diopter, the 3rd lens with positive diopter, the 4th lens with negative diopter, one
The 5th lens with positive diopter, and the 6th lens with negative diopter, the optical lens meet following condition：
0.65<efl/TTL<0.8 and 15mm<TTL<18mm,
Wherein, efl is the effective focal length of the optical lens, and TTL is the distance from the thing side of first lens to an imaging surface.
2. a kind of optical lens, it is characterised in that sequentially included from thing side to image side：One the first lens with positive diopter,
One the second lens with negative diopter, the 3rd lens with positive diopter, the 4th lens with negative diopter, one
The 5th lens with positive diopter, and the 6th lens with negative diopter, first lens have refractive index nd1 and Ah
Shellfish number vd1, TTL are the distances from the thing side of first lens to an imaging surface, and the optical lens meets 15mm<TTL<18mm's
Condition, and nd1 and/or vd1 meet following condition：
1.5<nd1<1.95 and
35<vd1<70。
3. a kind of optical lens, it is characterised in that sequentially included from thing side to image side：One the first lens with positive diopter,
One the second lens with negative diopter, the 3rd lens with positive diopter, the 4th lens with negative diopter, one
The 5th lens with positive diopter, and the 6th lens with negative diopter, the 4th lens are a convex surface towards thing side
Meniscus, and the optical lens meets 15mm<TTL<18mm condition, TTL are from the thing side of first lens to an imaging
The distance in face.
4. according to the optical lens described in claim 1,2 or 3, it is characterised in that first lens are glass lens.
5. a kind of optical lens, it is characterised in that sequentially included from thing side to image side：One the first lens with positive diopter,
One the second lens with negative diopter, the 3rd lens with positive diopter, the 4th lens with negative diopter, one
The 5th lens with positive diopter, and the 6th lens with negative diopter, first lens are a glass lens, and should
Optical lens meets 15mm<TTL<18mm condition, TTL are the distances from the thing side of first lens to an imaging surface.
6. according to the optical lens described in claim 1,2 or 5, it is characterised in that the 4th lens are a convex surface towards thing side
Meniscus.
7. according to the optical lens described in claim 1,2,3 or 5, it is characterised in that first lens, second lens, be somebody's turn to do
At least one of 3rd lens, the 4th lens, the 5th lens and the 6th lens are a non-spherical lens.
8. according to the optical lens described in claim 1,3 or 5, it is characterised in that first lens have refractive index nd1, and
1.5<nd1<1.95。
9. according to the optical lens described in claim 1,3 or 5, it is characterised in that first lens have Abbe number vd1, and
35<vd1<70。
10. according to the optical lens described in claim 1,2,3 or 5, it is characterised in that the optical lens also meets following bar
Part：1.6<Fno<2.2, wherein, Fno is the aperture-coefficient of the optical lens.
11. according to the optical lens described in claim 1,2,3 or 5, it is characterised in that first lens be a biconvex lens or
One convex surface is towards the meniscus of thing side, and/or second lens are the meniscus of a biconcave lens or a convex surface towards thing side.
12. according to the optical lens described in claim 1,2,3 or 5, it is characterised in that the 3rd lens are a lenticular
Mirror, the 5th lens are meniscus of the convex surface towards image side, and the 6th lens are meniscus of the convex surface towards image side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410330477.6A CN105242374B (en) | 2014-07-11 | 2014-07-11 | Optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410330477.6A CN105242374B (en) | 2014-07-11 | 2014-07-11 | Optical lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105242374A CN105242374A (en) | 2016-01-13 |
| CN105242374B true CN105242374B (en) | 2018-01-12 |
Family
ID=55040069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410330477.6A Active CN105242374B (en) | 2014-07-11 | 2014-07-11 | Optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105242374B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526795B (en) * | 2016-08-05 | 2019-07-26 | 玉晶光电(厦门)有限公司 | Optical mirror slip group |
| KR101946261B1 (en) | 2016-12-28 | 2019-02-11 | 삼성전기 주식회사 | Optical system |
| WO2019052179A1 (en) | 2017-09-18 | 2019-03-21 | 浙江舜宇光学有限公司 | Imaging lens group |
| CN113820825B (en) | 2018-06-01 | 2022-08-02 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN113960753A (en) * | 2018-07-13 | 2022-01-21 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| CN110824677A (en) * | 2018-08-13 | 2020-02-21 | 佳能企业股份有限公司 | Optical lens |
| CN109212721B (en) * | 2018-11-21 | 2024-04-19 | 浙江舜宇光学有限公司 | Image pickup lens group |
| CN110297311B (en) * | 2019-06-29 | 2021-04-06 | 瑞声光学解决方案私人有限公司 | Image pickup optical lens |
| CN110346910B (en) * | 2019-06-30 | 2021-12-14 | 瑞声光学解决方案私人有限公司 | Image pickup optical lens |
| JP7352023B2 (en) * | 2019-10-17 | 2023-09-27 | 華為技術有限公司 | Optical lens systems, cameras, terminals |
| CN110989140B (en) * | 2019-12-26 | 2022-05-03 | 浙江舜宇光学有限公司 | Optical pick-up lens |
| CN111142230B (en) * | 2019-12-30 | 2022-03-08 | 诚瑞光学(常州)股份有限公司 | Image pickup optical lens |
| WO2021134263A1 (en) * | 2019-12-30 | 2021-07-08 | 诚瑞光学(常州)股份有限公司 | Imaging optical lens |
| CN111045193B (en) * | 2019-12-30 | 2022-07-08 | 诚瑞光学(常州)股份有限公司 | Image pickup optical lens |
| CN111198435B (en) * | 2020-02-24 | 2021-09-24 | 诚瑞光学(常州)股份有限公司 | Image pickup optical lens |
| CN114935812B (en) * | 2022-07-22 | 2022-11-15 | 江西晶超光学有限公司 | Optical system, image capturing module and electronic equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130039758A (en) * | 2010-07-16 | 2013-04-22 | 코니카 미놀타 어드밴스드 레이어즈 인코포레이티드 | Image capture lens |
| JP2012155223A (en) * | 2011-01-27 | 2012-08-16 | Tamron Co Ltd | Wide-angle single-focus lens |
| JP5924121B2 (en) * | 2012-05-22 | 2016-05-25 | 株式会社オプトロジック | Imaging lens |
| KR101452045B1 (en) * | 2012-10-25 | 2014-10-21 | 삼성전기주식회사 | Optical System |
-
2014
- 2014-07-11 CN CN201410330477.6A patent/CN105242374B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105242374A (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105242374B (en) | Optical lens | |
| TWI742038B (en) | Optical lens | |
| TWI664439B (en) | Optical lens | |
| CN204595308U (en) | Imaging lens system and comprise the camera head of imaging lens system | |
| CN205067841U (en) | Photographic lens and possess photographic arrangement of photographic lens | |
| CN203981955U (en) | Pick-up lens and the camera head that possesses pick-up lens | |
| CN106324797B (en) | Optical lens | |
| TWI672536B (en) | Optical lens | |
| CN106940469B (en) | Photographing lens assembly and image capturing device | |
| CN102681148B (en) | Image capturing lens assembly | |
| CN106199912B (en) | Optical lens | |
| CN204422853U (en) | Imaging lens system and comprise the camera head of imaging lens system | |
| CN204595309U (en) | Imaging lens system and comprise the camera head of imaging lens system | |
| CN204331129U (en) | Imaging lens system and comprise the camera head of imaging lens system | |
| CN103969810B (en) | Photographic lenss | |
| TW201701005A (en) | Optical lens | |
| CN107272153A (en) | Optical lens | |
| CN204422847U (en) | Imaging lens system and comprise the camera head of imaging lens system | |
| CN103576295A (en) | Optical photographing lens system | |
| CN205157866U (en) | Photographic lens and possess photographic arrangement of photographic lens | |
| CN103869453B (en) | Photographic lens | |
| CN205229553U (en) | Imaging lens and possess imaging lens's camera device | |
| TW201303352A (en) | Image capturing lens assembly | |
| CN204595301U (en) | Photographic lens and possess the camera of photographic lens | |
| CN105549177A (en) | Photographing lens system, image capturing device and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |