CN208488592U - Optical imagery eyeglass group - Google Patents
Optical imagery eyeglass group Download PDFInfo
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- CN208488592U CN208488592U CN201820861627.XU CN201820861627U CN208488592U CN 208488592 U CN208488592 U CN 208488592U CN 201820861627 U CN201820861627 U CN 201820861627U CN 208488592 U CN208488592 U CN 208488592U
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Abstract
This application discloses a kind of optical imagery eyeglass group, which sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens by object side to image side along optical axis.First lens have positive light coke；Second lens have negative power；The third lens have focal power, and object side is convex surface, and image side surface is concave surface；4th lens have focal power；5th lens have focal power, and object side is convex surface；6th lens have positive light coke, and object side is convex surface；7th lens have focal power；8th lens have negative power.The effective focal length f2 of second lens and total effective focal length f of optical imagery eyeglass group meet -2.5 < f2/f < -1.5.
Description
Technical field
This application involves a kind of optical imagery eyeglass groups, more specifically, this application involves a kind of light including eight lens
It studies as lens set.
Background technique
Currently, smart phone has become one of essential electronic equipment in people's life, with mobile phone industry
Fast development, the thickness requirement of pick-up lens of the consumer for being equipped on mobile phone is increasingly stringenter.And camera lens is compacter,
Its tolerance sensitivities is also higher, and assembling difficulty increases accordingly.Meanwhile with the application popularization of electronic equipment, consumer is gradually
Begin to focus on take pictures quality of the mobile lens under low light conditions.
Therefore, it is necessary to it is a kind of with good sensibility, high image quality, large aperture ultra thin handset camera lens.
Utility model content
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art
The optical imagery eyeglass group of at least one above-mentioned disadvantage.
On the one hand, this application provides such a optical imagery eyeglass group, the lens set is along optical axis by object side to picture
Side is sequentially can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and
8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have light focus
Degree, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power, object
Side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；8th
Lens have negative power.Wherein, the effective focal length f2 of the second lens and total effective focal length f of optical imagery eyeglass group can expire
- 2.5 < f2/f < -1.5 of foot.
In one embodiment, total effective focal length f of optical imagery eyeglass group and the entrance pupil of optical imagery eyeglass group are straight
Diameter EPD can meet f/EPD < 1.8.
In one embodiment, total effective focal length f of optical imagery eyeglass group and the effective focal length f1 of the first lens can
Meet 1 < f/f1 < 2.
In one embodiment, the radius of curvature R 11 of the object side of the effective focal length f6 and the 6th lens of the 6th lens
1 < f6/R11 < 2 can be met.
In one embodiment, total effective focal length f of optical imagery eyeglass group and the effective focal length f8 of the 8th lens can
Meet -2 < f/f8 < -1.
In one embodiment, the curvature of the object side of total effective focal length f and the first lens of optical imagery eyeglass group
Radius R1 can meet 2 < f/R1 < 2.5.
In one embodiment, the curvature of the object side of the radius of curvature R 6 and the third lens of the image side surface of the third lens
Radius R5 can meet 0.5 < R6/R5 < 1.5.
In one embodiment, the curvature of the image side surface of the radius of curvature R 9 and the 5th lens of the object side of the 5th lens
Radius R10 can meet 1 < R9/R10 < 2.
In one embodiment, the 4th lens exist in the center thickness CT4 on optical axis with the third lens and the 4th lens
Spacing distance T34 on optical axis can meet 0.8 < CT4/T34 < 1.8.
In one embodiment, the first lens on optical axis center thickness CT1 and the 7th lens on optical axis
Heart thickness CT7 can meet 0.5 < CT1/CT7 < 1.5.
In one embodiment, the object side of maximum the effective radius DT21 and the 4th lens of the object side of the second lens
Maximum effective radius DT41 can meet 1 < DT21/DT41 < 1.5.
In one embodiment, the object side of the second lens can be convex surface, and image side surface can be concave surface.
In one embodiment, the image side surface of the 7th lens can be convex surface.
In one embodiment, the image side surface of the 8th lens can be concave surface.
In one embodiment, distance TTL on the object side of the first lens to the axis of optical imagery eyeglass composition image planes
TTL/ImgH < 1.95 can be met with the half ImgH of effective pixel area diagonal line length in optical imagery eyeglass composition image planes.
In one embodiment, the full filed angle FOV of optical imagery eyeglass group can meet 60 ° of 75 ° of < FOV <.
On the other hand, this application provides such a optical imagery eyeglass group, the lens set along optical axis by object side extremely
Image side is sequentially can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens
With the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have light
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；The
Eight lens have negative power.Wherein, the effective focal length f8 of the total effective focal length f and the 8th lens of optical imagery eyeglass group can expire
- 2 < f/f8 < -1 of foot.
On the other hand, present invention also provides such a optical imagery eyeglass group, the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, the 4th lens exist in the center thickness CT4 on optical axis with the third lens and the 4th lens
Spacing distance T34 on optical axis can meet 0.8 < CT4/T34 < 1.8.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, total effective focal length f of optical imagery eyeglass group and the entrance pupil of optical imagery eyeglass group are straight
Diameter EPD can meet f/EPD < 1.8.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, the radius of curvature R 11 of the object side of the effective focal length f6 and the 6th lens of the 6th lens
1 < f6/R11 < 2 can be met.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, total effective focal length f of optical imagery eyeglass group and the effective focal length f1 of the first lens can
Meet 1 < f/f1 < 2.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, distance TTL on the object side of the first lens to the axis of optical imagery eyeglass composition image planes
TTL/ImgH < 1.95 can be met with the half ImgH of effective pixel area diagonal line length in optical imagery eyeglass composition image planes.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, the song of the object side of the radius of curvature R 6 and the third lens of the image side surface of the third lens
Rate radius R5 can meet 0.5 < R6/R5 < 1.5.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, the song of the image side surface of the radius of curvature R 9 and the 5th lens of the object side of the 5th lens
Rate radius R10 can meet 1 < R9/R10 < 2.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, the curvature of the object side of total effective focal length f and the first lens of optical imagery eyeglass group
Radius R1 can meet 2 < f/R1 < 2.5.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, the first lens on optical axis center thickness CT1 and the 7th lens on optical axis
Heart thickness CT7 can meet 0.5 < CT1/CT7 < 1.5.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, the full filed angle FOV of optical imagery eyeglass group can meet 60 ° of 75 ° of < FOV <.
Another aspect, present invention also provides such a optical imagery eyeglass groups, and the lens set is along optical axis by object side
Sequentially to image side can include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th are thoroughly
Mirror and the 8th lens.Wherein, the first lens can have positive light coke；Second lens can have negative power；The third lens have
Focal power, object side can be convex surface, and image side surface can be concave surface；4th lens have focal power；5th lens have focal power,
Its object side can be convex surface；6th lens can have positive light coke, and object side can be convex surface；7th lens have focal power；
8th lens have negative power.Wherein, the object side of maximum the effective radius DT21 and the 4th lens of the object side of the second lens
The maximum effective radius DT41 in face can meet 1 < DT21/DT41 < 1.5.
The application uses multi-disc (for example, six) lens, by each power of lens of reasonable distribution, face type, each
Spacing etc. on axis between the center thickness of mirror and each lens, so that above-mentioned optical imagery eyeglass group has large aperture, muting sensitive
At least one beneficial effect such as perceptual and high image quality.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 1, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 2, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 3, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 4, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 5, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 6, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 7, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 15 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 8；
Figure 16 A to Figure 16 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 8, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 17 shows the structural schematic diagrams according to the optical imagery eyeglass group of the embodiment of the present application 9；
Figure 18 A to Figure 18 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 9, astigmatism curve,
Distortion curve and ratio chromatism, curve；
Figure 19 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 10；
It is bent that Figure 20 A to Figure 20 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 10, astigmatism
Line, distortion curve and ratio chromatism, curve；
Figure 21 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 11；
It is bent that Figure 22 A to Figure 22 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 11, astigmatism
Line, distortion curve and ratio chromatism, curve；
Figure 23 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 12；
It is bent that Figure 24 A to Figure 24 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 12, astigmatism
Line, distortion curve and ratio chromatism, curve；
Figure 25 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 13；
It is bent that Figure 26 A to Figure 26 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 13, astigmatism
Line, distortion curve and ratio chromatism, curve.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers
Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way
Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy
Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing
Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing
Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position
When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as the lens near the surface of object side
Object side, each lens are known as the image side surface of the lens near the surface of image side.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more
Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this
When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with
The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Optical imagery eyeglass group according to the application illustrative embodiments may include such as eight saturating with focal power
Mirror, that is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th are thoroughly
Mirror.This eight lens are along optical axis by object side to image side sequential.
In the exemplary embodiment, the first lens can have positive light coke；Second lens can have negative power；Third
Lens have positive light coke or negative power, and object side can be convex surface, and image side surface can be concave surface；4th lens have positive light focus
Degree or negative power；5th lens have positive light coke or negative power, and object side can be convex surface；6th lens can have just
Focal power, object side can be convex surface；7th lens have positive light coke or negative power；8th lens can have negative light focus
Degree.Reasonable focal power distribution, can reduce imaging surface chief ray incident angle, improve lens set and photosensitive element and bandpass filter
The matching of piece.
In the exemplary embodiment, the object side of the second lens can be convex surface, and image side surface can be concave surface；7th lens
Image side surface can be convex surface；The image side surface of 8th lens can be concave surface.Further the second lens of control, the 7th lens and the 8th lens
Face type, can the effectively each visual field of balance optical system image quality, improve the sensibility of optical system, advantageously ensure that optics
The assemble stable of imaging lens group, and it is advantageously implemented the production of mass.
In the exemplary embodiment, the object side of the first lens can be convex surface.
In the exemplary embodiment, the image side surface of the 5th lens can be concave surface.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional f/EPD < 1.8, wherein
F is total effective focal length of optical imagery eyeglass group, and EPD is the Entry pupil diameters of optical imagery eyeglass group.More specifically, f and EPD into
One step can meet 1.4 < f/EPD < 1.7, for example, 1.45≤f/EPD≤1.59.It is reasonable to control the total of optical imagery eyeglass group
The ratio of effective focal length and Entry pupil diameters can make lens set have the advantage compared with large aperture, can increase in the system unit time
Light passing amount enhances the imaging effect under dark situation.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1 < f/f1 < 2 of conditional, wherein
F is total effective focal length of optical imagery eyeglass group, and f1 is the effective focal length of the first lens.More specifically, f and f1 can further expire
1 < f/f1 < 1.5 of foot, for example, 1.04≤f/f1≤1.20.Effectively total effective focal length and first of control optical imagery eyeglass group
The ratio of lens effective focal length can effectively correct the spherical aberration of optical system and improve the processing and forming technology of the first lens.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -2.5 < f2/f < of conditional -
1.5, wherein f2 is the effective focal length of the second lens, and f is total effective focal length of optical imagery eyeglass group.More specifically, f2 and f
- 2.01≤f2/f≤- 1.54 can further be met.Rationally the effective focal length with optical imagery eyeglass group of the second lens of control is total
The ratio of effective focal length can control the spherical aberration contribution amount of the second lens in reasonable level, so that regarding on the axis of system
Field areas has good image quality.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1 < f6/R11 < 2 of conditional,
In, f6 is the effective focal length of the 6th lens, and R11 is the radius of curvature of the object side of the 6th lens.More specifically, f6 and R11 into
One step can meet 1.19≤f6/R11≤1.88.The rationally curvature of the effective focal length of the 6th lens of control and the 6th lens object side
The ratio of radius can reduce the off-axis chromatic aberration of optical system, reduce the susceptibility of the 6th lens, and improve the production of camera lens
Yield.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -2 < -1 < f/f8 of conditional,
In, f is total effective focal length of optical imagery eyeglass group, and f8 is the effective focal length of the 8th lens.More specifically, f and f8 are further
- 1.96≤f/f8≤- 1.22 can be met.Total effective focal length of reasonable distribution optical imagery eyeglass group and effective coke of the 8th lens
Away from ratio, can reasonably control the curvature of field contribution amount of the 8th lens so that its balance in reasonable state.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional TTL/ImgH < 1.95,
Wherein, TTL is distance on the object side to the axis of the imaging surface of optical imagery eyeglass group of the first lens, and ImgH is optical imaging lens
The half of effective pixel area diagonal line length on the imaging surface of piece group.More specifically, TTL and ImgH can further meet 1.73≤
TTL/ImgH≤1.92.The overall length of optical imagery eyeglass group and the ratio of image height are reasonably controlled, optical system can be effectively compressed
The size of system guarantees the small size performance of optical imagery eyeglass group.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.5 < R6/R5 < 1.5 of conditional,
Wherein, R6 is the radius of curvature of the image side surface of the third lens, and R5 is the radius of curvature of the object side of the third lens.More specifically,
R6 and R5 can further meet 0.8 < R6/R5 < 1.4, for example, 0.97≤R6/R5≤1.30.Reasonable distribution the third lens picture
The ratio of the radius of curvature of the radius of curvature and the third lens object side of side, enables the master of optical system preferably matching chip
Light angle.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1 < R9/R10 < 2 of conditional,
In, R9 is the radius of curvature of the object side of the 5th lens, and R10 is the radius of curvature of the image side surface of the 5th lens.More specifically, R9
1 < R9/R10 < 1.7 can further be met with R10, for example, 1.01≤R9/R10≤1.55.Rationally the 5th lens object side of control
The ratio of the radius of curvature in face and the radius of curvature of the 5th lens image side surface can reduce deflection of light, reduce system sensitivity,
Reduce coma and distortion simultaneously.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 2 < f/R1 < 2.5 of conditional,
In, f is total effective focal length of optical imagery eyeglass group, and R1 is the radius of curvature of the object side of the first lens.More specifically, f and
R1 can further meet 2.16≤f/R1≤2.33.The rationally total effective focal length and the first lens object of control optical imagery eyeglass group
The ratio of the radius of curvature of side can reduce system spherical aberration, while shorten system overall length, improve image quality.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.8 < CT4/T34 < of conditional
1.8, wherein CT4 is the 4th lens in the center thickness on optical axis, T34 be the third lens and the 4th lens on optical axis between
Gauge from.More specifically, CT4 and T34 can further meet 0.8 < CT4/T34 < 1.5, for example, 0.91≤CT4/T34≤
1.25.The ratio of the airspace of the center thickness and third and fourth lens of the 4th lens of reasonable control, is conducive to reasonable distribution
Space on the axis of optical system reduces the tolerance sensitivity of thickness and gap, improves production yield, and effectively balance optical system
The coma and astigmatism of system.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.5 < CT1/CT7 < of conditional
1.5, wherein CT1 is the first lens in the center thickness on optical axis, and CT7 is the 7th lens in the center thickness on optical axis.More
Body, CT1 and CT7 can further meet 0.87≤CT1/CT7≤1.32.The rationally center thickness and the 7th of the first lens of control
Ratio between the center thickness of lens can make deflection of light tend to mitigate, and reduce sensibility, while reduce the astigmatism, abnormal of system
Change and color difference.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 60 ° of 75 ° of < FOV < of conditional,
In, FOV is the full filed angle of optical imagery eyeglass group.More specifically, FOV can further meet 63.8 °≤FOV≤70.1 °.It closes
The size at the full filed angle of the control optical system of reason, can efficiently control the areas imaging of optical system.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1 < DT21/DT41 < of conditional
1.5, wherein DT21 is the maximum effective radius of the object side of the second lens, and DT41 is that the maximum of the object side of the 4th lens has
Imitate radius.More specifically, DT21 and DT41 can further meet 1 < DT21/DT41 < 1.2, for example, 1.10≤DT21/DT41
≤1.17.The rationally ratio of the maximum effective radius of the maximum effective radius and the 4th lens object side of the second lens object side of control
Value, can slow down the flexion ability of optical system front end light, effectively reduce the sensibility of optical system.
In the exemplary embodiment, above-mentioned optical imagery eyeglass group may also include at least one diaphragm, to promote camera lens
Image quality.Optionally, diaphragm may be provided between object side and the first lens.
Optionally, above-mentioned optical imagery eyeglass group may also include optical filter for correcting color error ratio and/or for protecting
Shield is located at the protection glass of the photosensitive element on imaging surface.
Multi-disc eyeglass can be used according to the optical imagery eyeglass group of the above embodiment of the application, such as described above
Six.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing
Deng, can effectively the volume of contract lenses group, reduce the susceptibility of lens set and improve the machinability of lens set so that optics
Imaging lens group, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Optical imaging lens through the above configuration
Piece group can also have the beneficial effects such as large aperture, high image quality.
In presently filed embodiment, each lens mostly use aspherical mirror.The characteristics of non-spherical lens, is: from lens
To lens perimeter, curvature is consecutive variations at center.With the spherical lens from lens centre to lens perimeter with constant curvature
Difference, non-spherical lens have more preferably radius of curvature characteristic, have the advantages that improve and distort aberration and improvement astigmatic image error.It adopts
After non-spherical lens, the aberration occurred when imaging can be eliminated, as much as possible so as to improve image quality.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where
Under, the lens numbers for constituting optical imagery eyeglass group can be changed, to obtain each result and advantage described in this specification.Example
Such as, although being described by taking eight lens as an example in embodiments, which is not limited to include eight
A lens.If desired, the optical imagery eyeglass group may also include the lens of other quantity.
The specific implementation for being applicable to the optical imagery eyeglass group of above embodiment is further described with reference to the accompanying drawings
Example.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D description according to the optical imagery eyeglass group of the embodiment of the present application 1.Fig. 1 shows basis
The structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 1.
As shown in Figure 1, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 1 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 1
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 1
As shown in Table 1, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are
It is aspherical.In the present embodiment, the face type x of each non-spherical lens is available but is not limited to following aspherical formula and is defined:
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient (
It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1
The high-order coefficient A of mirror surface S1-S164、A6、A8、A10、A12、A14、A16、A18And A20。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 3.2458E-02 | 1.4778E-02 | -3.4970E-02 | 4.2621E-02 | -2.7040E-02 | 5.6770E-03 | 2.4880E-03 | -1.6400E-03 | 2.5100E-04 |
| S2 | -2.7110E-02 | -5.2550E-02 | 1.9100E-01 | -3.0998E-01 | 3.0988E-01 | -1.9968E-01 | 8.0241E-02 | -1.8280E-02 | 1.7990E-03 |
| S3 | -4.4570E-02 | -1.8850E-02 | 5.2299E-02 | 1.6131E-02 | -1.0181E-01 | 1.1220E-01 | -5.9960E-02 | 1.6044E-02 | -1.6900E-03 |
| S4 | -2.2150E-02 | -1.2927E-01 | 6.1186E-01 | -1.7450E+00 | 3.1463E+00 | -3.4917E+00 | 2.3270E+00 | -8.5105E-01 | 1.3100E-01 |
| S5 | 1.9181E-01 | -5.7130E-01 | 1.4198E+00 | -2.8937E+00 | 4.2414E+00 | -4.1313E+00 | 2.5262E+00 | -8.7102E-01 | 1.2847E-01 |
| S6 | 4.3312E-02 | -6.7580E-02 | 1.3449E-01 | -3.5119E-01 | 6.9540E-01 | -8.3885E-01 | 5.9836E-01 | -2.3152E-01 | 3.7399E-02 |
| S7 | -4.8280E-02 | -2.5200E-03 | -2.0615E-01 | 6.6574E-01 | -1.2310E+00 | 1.3834E+00 | -9.3536E-01 | 3.5022E-01 | -5.6130E-02 |
| S8 | -1.3226E-01 | 1.6129E-01 | -3.7178E-01 | 3.9244E-01 | -2.4741E-01 | 1.2606E-01 | -6.3910E-02 | 2.3596E-02 | -3.8900E-03 |
| S9 | -2.0856E-01 | 3.5053E-01 | -4.8900E-01 | 2.9090E-01 | 1.7930E-02 | -1.0656E-01 | 4.6391E-02 | -5.4800E-03 | -3.8000E-04 |
| S10 | -2.4538E-01 | 3.6371E-01 | -4.4408E-01 | 3.0516E-01 | -8.1410E-02 | -2.5380E-02 | 2.3970E-02 | -6.1700E-03 | 5.5400E-04 |
| S11 | -6.3970E-02 | 6.2557E-02 | -6.6350E-02 | 1.7071E-02 | 1.2987E-02 | -8.6900E-03 | 6.6900E-04 | 5.1900E-04 | -9.3000E-05 |
| S12 | 3.3326E-02 | -8.0230E-02 | 1.1021E-01 | -1.1441E-01 | 7.8548E-02 | -3.3570E-02 | 8.5080E-03 | -1.1600E-03 | 6.5000E-05 |
| S13 | 1.6600E-02 | -9.5370E-02 | 1.0471E-01 | -5.4620E-02 | 1.1596E-02 | 1.9220E-03 | -1.7000E-03 | 3.7200E-04 | -2.9000E-05 |
| S14 | 9.7501E-02 | -1.5309E-01 | 1.4111E-01 | -8.1440E-02 | 2.9366E-02 | -6.4700E-03 | 8.1300E-04 | -4.8000E-05 | 6.7500E-07 |
| S15 | -2.6963E-01 | 1.4873E-01 | -3.4890E-02 | -1.0770E-02 | 1.0375E-02 | -3.1200E-03 | 4.7300E-04 | -3.7000E-05 | 1.1500E-06 |
| S16 | -1.5689E-01 | 1.2708E-01 | -7.0920E-02 | 2.7024E-02 | -7.0600E-03 | 1.2350E-03 | -1.4000E-04 | 8.7900E-06 | -2.4000E-07 |
Table 2
Table 3 provides the effective focal length f1 to f8 of each lens in embodiment 1, total effective focal length f of optical imagery eyeglass group,
The object side S1 to imaging surface S19 of one lens E1 effective pixel area diagonal line on distance TTL, the imaging surface S19 on optical axis
Long half ImgH and full filed angle FOV.
Table 3
Optical imagery eyeglass group in embodiment 1 meets:
F/EPD=1.45, wherein f is total effective focal length of optical imagery eyeglass group, and EPD is optical imagery eyeglass group
Entry pupil diameters；
F/f1=1.07, wherein f is total effective focal length of optical imagery eyeglass group, and f1 is effective coke of the first lens E1
Away from；
F2/f=-1.75, wherein f2 is the effective focal length of the second lens E2, and f is total effective coke of optical imagery eyeglass group
Away from；
F6/R11=1.53, wherein f6 is the effective focal length of the 6th lens E6, and R11 is the object side S11 of the 6th lens E6
Radius of curvature；
F/f8=-1.84, wherein f is total effective focal length of optical imagery eyeglass group, and f8 is effective coke of the 8th lens E8
Away from；
TTL/ImgH=1.74, wherein TTL is distance on the axis of the object side S1 to imaging surface S19 of the first lens E1,
ImgH is the half of effective pixel area diagonal line length on imaging surface S19；
R6/R5=1.19, wherein R6 is the radius of curvature of the image side surface S6 of the third lens E3, and R5 is the third lens E3's
The radius of curvature of object side S5；
R9/R10=1.39, wherein R9 is the radius of curvature of the object side S9 of the 5th lens E5, and R10 is the 5th lens E5
Image side surface S10 radius of curvature；
F/R1=2.18, wherein f is total effective focal length of optical imagery eyeglass group, and R1 is the object side of the first lens E1
The radius of curvature of S1；
CT4/T34=0.92, wherein CT4 is the 4th lens E4 in the center thickness on optical axis, and T34 is the third lens E3
With spacing distance of the 4th lens E4 on optical axis；
CT1/CT7=1.15, wherein CT1 is the first lens E1 in the center thickness on optical axis, and CT7 is the 7th lens E7
In the center thickness on optical axis；
DT21/DT41=1.14, wherein DT21 is the maximum effective radius of the object side S3 of the second lens E2, and DT41 is
The maximum effective radius of the object side S7 of 4th lens E4.
Fig. 2A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 1, indicates the light of different wave length
Deviate via the converging focal point after lens set.Fig. 2 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 1, indicates
Meridianal image surface bending and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imagery eyeglass group of embodiment 1, indicates
Distortion sizes values at different image heights.Fig. 2 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 1, indicates
Light via the different image heights after lens set on imaging surface deviation.A to Fig. 2 D is it is found that given by embodiment 1 according to fig. 2
Optical imagery eyeglass group can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the optical imagery eyeglass group of the embodiment of the present application 2.The present embodiment and with
In lower embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application
The structural schematic diagram of 2 optical imagery eyeglass group.
As shown in figure 3, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface；7th lens E7 has positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 4 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 2
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 4
As shown in Table 4, in example 2, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 5
Table 6 provides the effective focal length f1 to f8 of each lens in embodiment 2, total effective focal length f of optical imagery eyeglass group,
The object side S1 to imaging surface S19 of one lens E1 effective pixel area diagonal line on distance TTL, the imaging surface S19 on optical axis
Long half ImgH and full filed angle FOV.
| f1(mm) | 4.01 | f7(mm) | 4.81 |
| f2(mm) | -7.62 | f8(mm) | -2.26 |
| f3(mm) | 27.76 | f(mm) | 4.25 |
| f4(mm) | 53.28 | TTL(mm) | 5.40 |
| f5(mm) | -14.93 | ImgH(mm) | 2.95 |
| f6(mm) | 5.76 | FOV(°) | 67.9 |
Table 6
Fig. 4 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 2, indicates the light of different wave length
Deviate via the converging focal point after lens set.Fig. 4 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 2, indicates
Meridianal image surface bending and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imagery eyeglass group of embodiment 2, indicates
Distortion sizes values at different image heights.Fig. 4 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 2, indicates
Light via the different image heights after lens set on imaging surface deviation.According to Fig. 4 A to Fig. 4 D it is found that given by embodiment 2
Optical imagery eyeglass group can be realized good image quality.
Embodiment 3
The optical imagery eyeglass group according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows root
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 3.
As shown in figure 5, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface；7th lens E7 has positive light coke, and object side S13 is convex surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 7 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 3
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 7
As shown in Table 7, in embodiment 3, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 3.2430E-02 | 1.4733E-02 | -4.0100E-02 | 5.9375E-02 | -5.2490E-02 | 2.7539E-02 | -8.4100E-03 | 1.3160E-03 | -8.7000E-05 |
| S2 | -4.8588E-02 | 7.9586E-02 | -1.6862E-01 | 2.5551E-01 | -2.4473E-01 | 1.4569E-01 | -5.2660E-02 | 1.0561E-02 | -9.0000E-04 |
| S3 | -7.1352E-02 | 1.6710E-01 | -4.5848E-01 | 8.1308E-01 | -8.8886E-01 | 6.1586E-01 | -2.6318E-01 | 6.3140E-02 | -6.4800E-03 |
| S4 | -6.5017E-02 | 9.9120E-02 | -3.6000E-02 | -5.3054E-01 | 1.5761E+00 | -2.1247E+00 | 1.5693E+00 | -6.1160E-01 | 9.8471E-02 |
| S5 | 2.2779E-01 | -7.8311E-01 | 2.0721E+00 | -4.1630E+00 | 5.8291E+00 | -5.4077E+00 | 3.1634E+00 | -1.0509E+00 | 1.5051E-01 |
| S6 | 7.2921E-02 | -2.0203E-01 | 4.8680E-01 | -9.7693E-01 | 1.4083E+00 | -1.3354E+00 | 7.9366E-01 | -2.6687E-01 | 3.8527E-02 |
| S7 | -4.7370E-02 | 1.9963E-02 | -3.1857E-01 | 9.7435E-01 | -1.7487E+00 | 1.9247E+00 | -1.2798E+00 | 4.7221E-01 | -7.4580E-02 |
| S8 | -1.2132E-01 | 2.1864E-01 | -7.2366E-01 | 1.2212E+00 | -1.3227E+00 | 9.7221E-01 | -4.6939E-01 | 1.3294E-01 | -1.6650E-02 |
| S9 | -2.2831E-01 | 5.1290E-01 | -1.0208E+00 | 1.2105E+00 | -9.1214E-01 | 4.6596E-01 | -1.6516E-01 | 3.7556E-02 | -4.0600E-03 |
| S10 | -2.5576E-01 | 4.5778E-01 | -6.8735E-01 | 6.4856E-01 | -3.7799E-01 | 1.3529E-01 | -2.9250E-02 | 3.6520E-03 | -2.2000E-04 |
| S11 | -4.9234E-02 | 1.8459E-02 | 3.0699E-02 | -9.8640E-02 | 8.5054E-02 | -3.0720E-02 | 2.9520E-03 | 7.8900E-04 | -1.5000E-04 |
| S12 | 9.5436E-02 | -3.0357E-01 | 4.9077E-01 | -4.9511E-01 | 3.1385E-01 | -1.2408E-01 | 2.9576E-02 | -3.8800E-03 | 2.1500E-04 |
| S13 | 6.2714E-02 | -2.4742E-01 | 3.0564E-01 | -1.9991E-01 | 7.5144E-02 | -1.5310E-02 | 1.1060E-03 | 1.2400E-04 | -2.0000E-05 |
| S14 | 1.0298E-01 | -1.9224E-01 | 1.7461E-01 | -8.7960E-02 | 2.3988E-02 | -2.7900E-03 | -1.5000E-04 | 7.1800E-05 | -5.3000E-06 |
| S15 | -2.9287E-01 | 1.3801E-01 | 1.6184E-02 | -5.5740E-02 | 2.9550E-02 | -7.5500E-03 | 1.0180E-03 | -6.7000E-05 | 1.5700E-06 |
| S16 | -1.8674E-01 | 1.5985E-01 | -8.8430E-02 | 3.2821E-02 | -8.3700E-03 | 1.4510E-03 | -1.6000E-04 | 1.0700E-05 | -3.1000E-07 |
Table 8
Table 9 provides the effective focal length f1 to f8 of each lens in embodiment 3, total effective focal length f of optical imagery eyeglass group,
The object side S1 to imaging surface S19 of one lens E1 effective pixel area diagonal line on distance TTL, the imaging surface S19 on optical axis
Long half ImgH and full filed angle FOV.
| f1(mm) | 3.95 | f7(mm) | 4.86 |
| f2(mm) | -7.34 | f8(mm) | -2.25 |
| f3(mm) | 29.51 | f(mm) | 4.23 |
| f4(mm) | 47.67 | TTL(mm) | 5.40 |
| f5(mm) | -14.83 | ImgH(mm) | 2.95 |
| f6(mm) | 5.67 | FOV(°) | 67.7 |
Table 9
Fig. 6 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 3, indicates the light of different wave length
Deviate via the converging focal point after lens set.Fig. 6 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 3, indicates
Meridianal image surface bending and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imagery eyeglass group of embodiment 3, indicates
Distortion sizes values at different image heights.Fig. 6 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 3, indicates
Light via the different image heights after lens set on imaging surface deviation.According to Fig. 6 A to Fig. 6 D it is found that given by embodiment 3
Optical imagery eyeglass group can be realized good image quality.
Embodiment 4
The optical imagery eyeglass group according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows root
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 4.
As shown in fig. 7, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 4
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 10
As shown in Table 10, in example 4, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 11
Table 12 provide the effective focal length f1 to f8 of each lens in embodiment 4, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 3.99 | f7(mm) | 5.36 |
| f2(mm) | -8.25 | f8(mm) | -2.29 |
| f3(mm) | -1464.70 | f(mm) | 4.29 |
| f4(mm) | 26.91 | TTL(mm) | 5.50 |
| f5(mm) | -16.26 | ImgH(mm) | 3.10 |
| f6(mm) | 5.21 | FOV(°) | 69.6 |
Table 12
Fig. 8 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 4, indicates the light of different wave length
Deviate via the converging focal point after lens set.Fig. 8 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 4, indicates
Meridianal image surface bending and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imagery eyeglass group of embodiment 4, indicates
Distortion sizes values at different image heights.Fig. 8 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 4, indicates
Light via the different image heights after lens set on imaging surface deviation.According to Fig. 8 A to Fig. 8 D it is found that given by embodiment 4
Optical imagery eyeglass group can be realized good image quality.
Embodiment 5
The optical imagery eyeglass group according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.Fig. 9 shows root
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 5.
As shown in figure 9, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 5
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 3.1613E-02 | 1.4051E-02 | -3.7030E-02 | 5.1206E-02 | -4.1440E-02 | 1.9396E-02 | -5.0300E-03 | 5.7700E-04 | -1.5000E-05 |
| S2 | -2.9930E-02 | -4.7870E-02 | 1.8807E-01 | -3.0138E-01 | 2.8756E-01 | -1.7337E-01 | 6.4555E-02 | -1.3570E-02 | 1.2320E-03 |
| S3 | -4.3190E-02 | -5.9330E-02 | 2.3421E-01 | -3.5719E-01 | 3.3264E-01 | -1.9301E-01 | 6.8377E-02 | -1.3690E-02 | 1.2140E-03 |
| S4 | -3.3590E-02 | -8.6560E-02 | 4.6324E-01 | -1.2172E+00 | 2.0002E+00 | -2.0708E+00 | 1.3218E+00 | -4.7142E-01 | 7.1522E-02 |
| S5 | 2.1597E-01 | -6.8824E-01 | 1.6564E+00 | -3.0386E+00 | 3.9386E+00 | -3.4499E+00 | 1.9485E+00 | -6.3636E-01 | 9.0679E-02 |
| S6 | 6.0875E-02 | -1.4753E-01 | 3.2744E-01 | -6.3675E-01 | 9.0983E-01 | -8.7236E-01 | 5.3704E-01 | -1.9045E-01 | 2.9269E-02 |
| S7 | -5.4170E-02 | 8.3583E-02 | -4.9242E-01 | 1.3055E+00 | -2.1555E+00 | 2.2358E+00 | -1.4215E+00 | 5.0716E-01 | -7.8180E-02 |
| S8 | -1.6352E-01 | 2.1442E-01 | -4.8768E-01 | 7.8922E-01 | -9.3000E-01 | 7.4914E-01 | -3.8189E-01 | 1.1011E-01 | -1.3730E-02 |
| S9 | -1.5494E-01 | 9.3535E-02 | -5.8250E-02 | 3.6686E-02 | -6.5020E-02 | 8.4655E-02 | -5.5590E-02 | 1.8080E-02 | -2.3600E-03 |
| S10 | -1.4099E-01 | 1.6221E-02 | 1.1179E-01 | -1.9310E-01 | 1.7434E-01 | -9.7240E-02 | 3.2995E-02 | -6.1300E-03 | 4.7200E-04 |
| S11 | -1.1060E-02 | -5.4550E-02 | 5.4545E-02 | -6.1420E-02 | 5.4135E-02 | -2.9790E-02 | 9.2210E-03 | -1.4600E-03 | 9.1700E-05 |
| S12 | 2.3822E-02 | -3.1200E-02 | 1.9283E-02 | -2.1840E-02 | 2.1547E-02 | -1.2010E-02 | 3.6360E-03 | -5.6000E-04 | 3.4200E-05 |
| S13 | -1.1100E-02 | -3.2880E-02 | 4.3522E-02 | -2.8930E-02 | 1.0547E-02 | -1.3500E-03 | -3.8000E-04 | 1.5200E-04 | -1.5000E-05 |
| S14 | 9.2019E-02 | -1.4600E-01 | 1.3001E-01 | -8.0160E-02 | 3.3423E-02 | -8.9500E-03 | 1.4540E-03 | -1.3000E-04 | 4.8500E-06 |
| S15 | -2.3061E-01 | 1.0900E-01 | -2.7520E-02 | -8.3000E-04 | 3.5710E-03 | -1.2100E-03 | 1.9200E-04 | -1.5000E-05 | 4.7900E-07 |
| S16 | -1.4172E-01 | 1.0443E-01 | -5.4850E-02 | 2.0512E-02 | -5.3400E-03 | 9.3300E-04 | -1.0000E-04 | 6.5400E-06 | -1.8000E-07 |
Table 14
Table 15 provide the effective focal length f1 to f8 of each lens in embodiment 5, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 3.93 | f7(mm) | 5.89 |
| f2(mm) | -7.13 | f8(mm) | -2.35 |
| f3(mm) | 30.30 | f(mm) | 4.39 |
| f4(mm) | 87.57 | TTL(mm) | 5.50 |
| f5(mm) | 1005.25 | ImgH(mm) | 2.95 |
| f6(mm) | 7.13 | FOV(°) | 66.2 |
Table 15
Figure 10 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 5, indicates the light of different wave length
Deviate via the converging focal point after lens set.Figure 10 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 5, table
Show meridianal image surface bending and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imagery eyeglass group of embodiment 5,
Indicate the distortion sizes values at different image heights.Figure 10 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 5,
It indicates light via the deviation of the different image heights after lens set on imaging surface.According to Figure 10 A to Figure 10 D it is found that implementing
Optical imagery eyeglass group given by example 5 can be realized good image quality.
Embodiment 6
The optical imagery eyeglass group according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.Figure 11 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 6.
As shown in figure 11, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has negative power, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is convex surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 6
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 16
As shown in Table 16, in embodiment 6, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 17 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 17
Table 18 provide the effective focal length f1 to f8 of each lens in embodiment 6, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 3.91 | f7(mm) | -1000.00 |
| f2(mm) | -7.09 | f8(mm) | -3.48 |
| f3(mm) | 30.28 | f(mm) | 4.47 |
| f4(mm) | 125.15 | TTL(mm) | 5.50 |
| f5(mm) | -29.32 | ImgH(mm) | 2.90 |
| f6(mm) | 4.72 | FOV(°) | 63.8 |
Table 18
Figure 12 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 6, indicates the light of different wave length
Deviate via the converging focal point after lens set.Figure 12 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 6, table
Show meridianal image surface bending and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imagery eyeglass group of embodiment 6,
Indicate the distortion sizes values at different image heights.Figure 12 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 6,
It indicates light via the deviation of the different image heights after lens set on imaging surface.According to Figure 12 A to Figure 12 D it is found that implementing
Optical imagery eyeglass group given by example 6 can be realized good image quality.
Embodiment 7
The optical imagery eyeglass group according to the embodiment of the present application 7 is described referring to Figure 13 to Figure 14 D.Figure 13 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 7.
As shown in figure 13, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 7
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 19
As shown in Table 19, in embodiment 7, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 3.2278E-02 | 3.0388E-02 | -9.8850E-02 | 1.7746E-01 | -1.9336E-01 | 1.2885E-01 | -5.1340E-02 | 1.1097E-02 | -1.0000E-03 |
| S2 | -3.6655E-02 | -6.5980E-02 | 3.2042E-01 | -6.1949E-01 | 7.0175E-01 | -4.9536E-01 | 2.1405E-01 | -5.1870E-02 | 5.4040E-03 |
| S3 | -3.2310E-02 | -2.0724E-01 | 8.3689E-01 | -1.5929E+00 | 1.8308E+00 | -1.3214E+00 | 5.8615E-01 | -1.4604E-01 | 1.5649E-02 |
| S4 | 1.2177E-01 | -8.7461E-01 | 2.7000E+00 | -5.1742E+00 | 6.4646E+00 | -5.2471E+00 | 2.6697E+00 | -7.7128E-01 | 9.5850E-02 |
| S5 | 2.5976E-01 | -9.6750E-01 | 2.3720E+00 | -3.9963E+00 | 4.5780E+00 | -3.4331E+00 | 1.6095E+00 | -4.2379E-01 | 4.7207E-02 |
| S6 | 4.6367E-02 | -1.5354E-01 | 3.7324E-01 | -7.7673E-01 | 1.2082E+00 | -1.2381E+00 | 8.0727E-01 | -3.0934E-01 | 5.4580E-02 |
| S7 | -5.5542E-02 | 2.8260E-03 | -1.7510E-01 | 3.1205E-01 | -1.9879E-01 | -1.5517E-01 | 3.6059E-01 | -2.3744E-01 | 5.5535E-02 |
| S8 | -7.9369E-02 | -1.2600E-03 | 8.7366E-02 | -4.7668E-01 | 9.0022E-01 | -9.0636E-01 | 5.3264E-01 | -1.7417E-01 | 2.4660E-02 |
| S9 | -1.4880E-01 | 1.4770E-01 | -6.5180E-02 | -2.4269E-01 | 4.6265E-01 | -3.8634E-01 | 1.8197E-01 | -4.7990E-02 | 5.5500E-03 |
| S10 | -1.7654E-01 | 1.7688E-01 | -1.3086E-01 | 1.3730E-03 | 8.0040E-02 | -6.6170E-02 | 2.5570E-02 | -4.9600E-03 | 3.8700E-04 |
| S11 | -8.3998E-02 | 5.6520E-02 | -6.4740E-02 | 4.7162E-02 | -2.0240E-02 | 1.7770E-03 | 1.7310E-03 | -5.6000E-04 | 5.0900E-05 |
| S12 | 1.7270E-03 | 1.4927E-02 | -4.1110E-02 | 4.7383E-02 | -3.1480E-02 | 1.2942E-02 | -3.3300E-03 | 5.0200E-04 | -3.5000E-05 |
| S13 | 7.0437E-03 | -2.5180E-02 | 1.8582E-02 | 6.8430E-03 | -2.3370E-02 | 1.9055E-02 | -7.7100E-03 | 1.5780E-03 | -1.3000E-04 |
| S14 | 1.2079E-01 | -1.8152E-01 | 1.7994E-01 | -1.1247E-01 | 4.3109E-02 | -1.0180E-02 | 1.4580E-03 | -1.2000E-04 | 4.0200E-06 |
| S15 | -2.2118E-01 | 6.4740E-02 | 5.2149E-02 | -6.3010E-02 | 2.8685E-02 | -6.9500E-03 | 9.4300E-04 | -6.8000E-05 | 2.0000E-06 |
| S16 | -1.5551E-01 | 1.1406E-01 | -5.6860E-02 | 1.9354E-02 | -4.5600E-03 | 7.2800E-04 | -7.5000E-05 | 4.4300E-06 | -1.1000E-07 |
Table 20
Table 21 provide the effective focal length f1 to f8 of each lens in embodiment 7, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 4.15 | f7(mm) | 5.01 |
| f2(mm) | -8.54 | f8(mm) | -2.39 |
| f3(mm) | 21.64 | f(mm) | 4.33 |
| f4(mm) | 283.89 | TTL(mm) | 5.38 |
| f5(mm) | -27.87 | ImgH(mm) | 3.10 |
| f6(mm) | 6.94 | FOV(°) | 68.7 |
Table 21
Figure 14 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 7, indicates the light of different wave length
Deviate via the converging focal point after lens set.Figure 14 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 7, table
Show meridianal image surface bending and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imagery eyeglass group of embodiment 7,
Indicate the distortion sizes values at different image heights.Figure 14 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 7,
It indicates light via the deviation of the different image heights after lens set on imaging surface.According to Figure 14 A to Figure 14 D it is found that implementing
Optical imagery eyeglass group given by example 7 can be realized good image quality.
Embodiment 8
The optical imagery eyeglass group according to the embodiment of the present application 8 is described referring to Figure 15 to Figure 16 D.Figure 15 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 8.
As shown in figure 15, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface；7th lens E7 has positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 8
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
As shown in Table 22, in embodiment 8, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 23 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 23
Table 24 provide the effective focal length f1 to f8 of each lens in embodiment 8, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 4.16 | f7(mm) | 4.62 |
| f2(mm) | -8.54 | f8(mm) | -2.33 |
| f3(mm) | 22.32 | f(mm) | 4.41 |
| f4(mm) | 294.13 | TTL(mm) | 5.49 |
| f5(mm) | -20.75 | ImgH(mm) | 2.85 |
| f6(mm) | 7.20 | FOV(°) | 64.1 |
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 8, indicates the light of different wave length
Deviate via the converging focal point after lens set.Figure 16 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 8, table
Show meridianal image surface bending and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imagery eyeglass group of embodiment 8,
Indicate the distortion sizes values at different image heights.Figure 16 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 8,
It indicates light via the deviation of the different image heights after lens set on imaging surface.According to Figure 16 A to Figure 16 D it is found that implementing
Optical imagery eyeglass group given by example 8 can be realized good image quality.
Embodiment 9
The optical imagery eyeglass group according to the embodiment of the present application 9 is described referring to Figure 17 to Figure 18 D.Figure 17 shows
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 9.
As shown in figure 17, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is concave surface, and image side surface S8 is convex surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has positive light coke, and object side S13 is convex surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 9
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 25
As shown in Table 25, in embodiment 9, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 26 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 9, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 3.4560E-02 | 3.6430E-03 | -9.1500E-03 | 5.3850E-03 | 6.6300E-03 | -1.3930E-02 | 9.7050E-03 | -3.1700E-03 | 3.9300E-04 |
| S2 | -3.5603E-02 | -5.6577E-02 | 2.6133E-01 | -4.7676E-01 | 5.1959E-01 | -3.5899E-01 | 1.5338E-01 | -3.6950E-02 | 3.8330E-03 |
| S3 | -3.0028E-02 | -1.7432E-01 | 5.9077E-01 | -9.8090E-01 | 1.0352E+00 | -7.1505E-01 | 3.1399E-01 | -7.9570E-02 | 8.8670E-03 |
| S4 | 4.8688E-02 | -4.1568E-01 | 1.2247E+00 | -2.4501E+00 | 3.4666E+00 | -3.3051E+00 | 1.9921E+00 | -6.7711E-01 | 9.8043E-02 |
| S5 | 1.9135E-01 | -5.3366E-01 | 1.2142E+00 | -2.3633E+00 | 3.4881E+00 | -3.4794E+00 | 2.1731E+00 | -7.5823E-01 | 1.1218E-01 |
| S6 | 4.5773E-02 | -1.4572E-01 | 4.5930E-01 | -1.1896E+00 | 2.0648E+00 | -2.2442E+00 | 1.4762E+00 | -5.3730E-01 | 8.3353E-02 |
| S7 | -6.0186E-02 | -6.5220E-03 | -1.5252E-01 | 4.8977E-01 | -8.9035E-01 | 9.8820E-01 | -6.6019E-01 | 2.4299E-01 | -3.8130E-02 |
| S8 | -7.2912E-02 | -3.7377E-02 | 4.9802E-02 | -1.8802E-01 | 3.5815E-01 | -3.5011E-01 | 1.9164E-01 | -5.6830E-02 | 7.1700E-03 |
| S9 | -1.6077E-01 | 2.2087E-01 | -2.9866E-01 | 1.5345E-01 | 6.4377E-02 | -1.2350E-01 | 6.3330E-02 | -1.4240E-02 | 1.1350E-03 |
| S10 | -2.1452E-01 | 3.0489E-01 | -3.8123E-01 | 2.9415E-01 | -1.2231E-01 | 1.4120E-02 | 8.3390E-03 | -3.2600E-03 | 3.4300E-04 |
| S11 | -1.0527E-01 | 1.1506E-01 | -1.4980E-01 | 1.2261E-01 | -5.9250E-02 | 1.3334E-02 | -1.4000E-04 | -4.2000E-04 | 4.7700E-05 |
| S12 | 3.8336E-03 | 1.2798E-02 | -4.3040E-02 | 4.9561E-02 | -3.1450E-02 | 1.1966E-02 | -2.7600E-03 | 3.5900E-04 | -2.1000E-05 |
| S13 | 6.5208E-03 | -3.8916E-02 | 4.8324E-02 | -3.7430E-02 | 1.8117E-02 | -5.0200E-03 | 6.0900E-04 | 1.3500E-05 | -7.4000E-06 |
| S14 | 1.1907E-01 | -1.8040E-01 | 1.6956E-01 | -1.0227E-01 | 3.8336E-02 | -8.8800E-03 | 1.2450E-03 | -9.7000E-05 | 3.2600E-06 |
| S15 | -2.0698E-01 | 4.5547E-02 | 6.8280E-02 | -7.3070E-02 | 3.2989E-02 | -8.0800E-03 | 1.1130E-03 | -8.1000E-05 | 2.4300E-06 |
| S16 | -1.5538E-01 | 1.1792E-01 | -5.9640E-02 | 2.0506E-02 | -4.8500E-03 | 7.7700E-04 | -8.0000E-05 | 4.7900E-06 | -1.2000E-07 |
Table 26
Table 27 provide the effective focal length f1 to f8 of each lens in embodiment 9, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 4.13 | f7(mm) | 4.61 |
| f2(mm) | -8.35 | f8(mm) | -2.29 |
| f3(mm) | 22.28 | f(mm) | 4.42 |
| f4(mm) | 200.41 | TTL(mm) | 5.52 |
| f5(mm) | -18.94 | ImgH(mm) | 3.10 |
| f6(mm) | 7.00 | FOV(°) | 68.2 |
Table 27
Figure 18 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 9, indicates the light of different wave length
Deviate via the converging focal point after lens set.Figure 18 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 9, table
Show meridianal image surface bending and sagittal image surface bending.Figure 18 C shows the distortion curve of the optical imagery eyeglass group of embodiment 9,
Indicate the distortion sizes values at different image heights.Figure 18 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 9,
It indicates light via the deviation of the different image heights after lens set on imaging surface.According to Figure 18 A to Figure 18 D it is found that implementing
Optical imagery eyeglass group given by example 9 can be realized good image quality.
Embodiment 10
The optical imagery eyeglass group according to the embodiment of the present application 10 is described referring to Figure 19 to Figure 20 D.Figure 19 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 10.
As shown in figure 19, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is convex surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 28 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 10
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 28
As shown in Table 28, in embodiment 10, the object side of any one lens of the first lens E1 into the 8th lens E8
Face and image side surface are aspherical.Table 29 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 10, wherein
Each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 29
Table 30 provide the effective focal length f1 to f8 of each lens in embodiment 10, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 3.76 | f7(mm) | 4.90 |
| f2(mm) | -6.90 | f8(mm) | -2.29 |
| f3(mm) | 31.31 | f(mm) | 4.49 |
| f4(mm) | 891.37 | TTL(mm) | 5.60 |
| f5(mm) | -27.88 | ImgH(mm) | 3.10 |
| f6(mm) | 6.46 | FOV(°) | 67.5 |
Table 30
Figure 20 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 10, indicates the light of different wave length
Line deviates via the converging focal point after lens set.Figure 20 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 10,
Indicate meridianal image surface bending and sagittal image surface bending.Figure 20 C shows the distortion curve of the optical imagery eyeglass group of embodiment 10,
It indicates the distortion sizes values at different image heights.The ratio chromatism, that Figure 20 D shows the optical imagery eyeglass group of embodiment 10 is bent
Line indicates light via the deviation of the different image heights after lens set on imaging surface.0A to Figure 20 D is it is found that reality according to fig. 2
Applying optical imagery eyeglass group given by example 10 can be realized good image quality.
Embodiment 11
The optical imagery eyeglass group according to the embodiment of the present application 11 is described referring to Figure 21 to Figure 22 D.Figure 21 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 11.
As shown in figure 21, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has negative power, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 31 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 11
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 31
As shown in Table 31, in embodiment 11, the object side of any one lens of the first lens E1 into the 8th lens E8
Face and image side surface are aspherical.Table 32 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 11, wherein
Each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 3.3352E-02 | 6.0499E-03 | -1.9520E-02 | 2.9010E-02 | -2.4860E-02 | 1.1718E-02 | -2.8200E-03 | 2.1700E-04 | 4.1100E-06 |
| S2 | -4.5821E-02 | -1.0260E-02 | 1.5787E-01 | -3.2140E-01 | 3.5994E-01 | -2.4941E-01 | 1.0574E-01 | -2.5140E-02 | 2.5600E-03 |
| S3 | -4.8976E-02 | -1.1439E-01 | 4.7434E-01 | -8.0265E-01 | 8.2123E-01 | -5.3370E-01 | 2.1643E-01 | -5.0180E-02 | 5.1070E-03 |
| S4 | 5.4774E-02 | -3.7591E-01 | 1.0237E+00 | -1.9238E+00 | 2.5848E+00 | -2.3982E+00 | 1.4434E+00 | -4.9754E-01 | 7.3435E-02 |
| S5 | 1.7348E-01 | -4.3615E-01 | 8.5651E-01 | -1.5366E+00 | 2.2381E+00 | -2.2902E+00 | 1.4983E+00 | -5.5010E-01 | 8.5215E-02 |
| S6 | 5.8907E-02 | -1.5533E-01 | 3.8456E-01 | -8.8219E-01 | 1.5056E+00 | -1.6554E+00 | 1.1117E+00 | -4.1315E-01 | 6.5078E-02 |
| S7 | -7.1301E-02 | 1.0760E-01 | -6.3979E-01 | 1.7536E+00 | -2.9836E+00 | 3.1981E+00 | -2.0954E+00 | 7.6587E-01 | -1.1988E-01 |
| S8 | -8.3757E-02 | 5.0032E-02 | -1.8682E-01 | 2.5233E-01 | -2.0587E-01 | 1.1649E-01 | -4.5730E-02 | 1.1059E-02 | -1.2400E-03 |
| S9 | -1.6091E-01 | 2.3471E-01 | -3.8528E-01 | 4.0101E-01 | -3.2026E-01 | 2.2222E-01 | -1.1548E-01 | 3.5121E-02 | -4.4900E-03 |
| S10 | -1.8888E-01 | 2.4301E-01 | -2.9878E-01 | 2.1866E-01 | -8.6470E-02 | 1.8063E-02 | -4.1000E-03 | 1.6340E-03 | -2.7000E-04 |
| S11 | -7.6172E-02 | 2.8172E-02 | 9.9940E-03 | -5.3180E-02 | 4.2197E-02 | -7.8700E-03 | -5.4500E-03 | 2.8120E-03 | -3.7000E-04 |
| S12 | 4.0805E-02 | -1.3905E-01 | 2.3674E-01 | -2.5168E-01 | 1.6766E-01 | -6.9160E-02 | 1.7054E-02 | -2.3000E-03 | 1.2900E-04 |
| S13 | 4.5821E-02 | -1.4446E-01 | 1.8655E-01 | -1.3933E-01 | 6.3103E-02 | -1.6910E-02 | 2.4480E-03 | -1.5000E-04 | -2.0000E-07 |
| S14 | 1.3335E-01 | -2.2602E-01 | 2.3287E-01 | -1.5741E-01 | 7.1346E-02 | -2.2200E-02 | 4.6450E-03 | -5.9000E-04 | 3.3500E-05 |
| S15 | -2.0740E-01 | -2.2510E-03 | 1.5625E-01 | -1.5324E-01 | 7.6531E-02 | -2.2730E-02 | 4.0990E-03 | -4.2000E-04 | 1.8700E-05 |
| S16 | -1.7011E-01 | 1.3027E-01 | -6.4400E-02 | 2.1239E-02 | -4.7600E-03 | 7.1800E-04 | -7.0000E-05 | 3.9100E-06 | -9.6000E-08 |
Table 32
Table 33 provide the effective focal length f1 to f8 of each lens in embodiment 11, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 4.09 | f7(mm) | 4.73 |
| f2(mm) | -8.92 | f8(mm) | -2.26 |
| f3(mm) | -1000.21 | f(mm) | 4.44 |
| f4(mm) | 27.20 | TTL(mm) | 5.54 |
| f5(mm) | -25.80 | ImgH(mm) | 2.90 |
| f6(mm) | 6.53 | FOV(°) | 64.7 |
Table 33
Figure 22 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 11, indicates the light of different wave length
Line deviates via the converging focal point after lens set.Figure 22 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 11,
Indicate meridianal image surface bending and sagittal image surface bending.Figure 22 C shows the distortion curve of the optical imagery eyeglass group of embodiment 11,
It indicates the distortion sizes values at different image heights.The ratio chromatism, that Figure 22 D shows the optical imagery eyeglass group of embodiment 11 is bent
Line indicates light via the deviation of the different image heights after lens set on imaging surface.2A to Figure 22 D is it is found that reality according to fig. 2
Applying optical imagery eyeglass group given by example 11 can be realized good image quality.
Embodiment 12
The optical imagery eyeglass group according to the embodiment of the present application 12 is described referring to Figure 23 to Figure 24 D.Figure 23 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 12.
As shown in figure 23, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface；The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has positive light coke, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 34 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 12
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 34
As shown in Table 34, in embodiment 12, the object side of any one lens of the first lens E1 into the 8th lens E8
Face and image side surface are aspherical.Table 35 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 12, wherein
Each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 35
Table 36 provide the effective focal length f1 to f8 of each lens in embodiment 12, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 4.02 | f7(mm) | 5.12 |
| f2(mm) | -7.73 | f8(mm) | -2.34 |
| f3(mm) | 24.36 | f(mm) | 4.48 |
| f4(mm) | -119.64 | TTL(mm) | 5.51 |
| f5(mm) | 1007.29 | ImgH(mm) | 3.10 |
| f6(mm) | 7.69 | FOV(°) | 67.5 |
Table 36
Figure 24 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 12, indicates the light of different wave length
Line deviates via the converging focal point after lens set.Figure 24 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 12,
Indicate meridianal image surface bending and sagittal image surface bending.Figure 24 C shows the distortion curve of the optical imagery eyeglass group of embodiment 12,
It indicates the distortion sizes values at different image heights.The ratio chromatism, that Figure 24 D shows the optical imagery eyeglass group of embodiment 12 is bent
Line indicates light via the deviation of the different image heights after lens set on imaging surface.4A to Figure 24 D is it is found that reality according to fig. 2
Applying optical imagery eyeglass group given by example 12 can be realized good image quality.
Embodiment 13
The optical imagery eyeglass group according to the embodiment of the present application 13 is described referring to Figure 25 to Figure 26 D.Figure 25 is shown
According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 13.
As shown in figure 25, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side
It sequentially include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th
Lens E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface；Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface；The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are concave surface；4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface；The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface；6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is convex surface；7th lens E7 has negative power, and object side S13 is concave surface, as
Side S14 is convex surface；8th lens E8 has negative power, and object side S15 is convex surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 37 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 13
Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 37
As shown in Table 37, in embodiment 13, the object side of any one lens of the first lens E1 into the 8th lens E8
Face and image side surface are aspherical.Table 38 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 13, wherein
Each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | 3.3850E-02 | 3.1549E-03 | -1.1650E-02 | 1.0586E-02 | -1.4000E-04 | -7.8400E-03 | 6.2010E-03 | -2.0600E-03 | 2.5300E-04 |
| S2 | -3.2765E-02 | -5.1038E-02 | 2.2987E-01 | -3.9577E-01 | 3.9571E-01 | -2.4746E-01 | 9.5317E-02 | -2.0730E-02 | 1.9490E-03 |
| S3 | -3.9672E-02 | -1.8733E-01 | 6.9916E-01 | -1.1732E+00 | 1.1861E+00 | -7.5350E-01 | 2.9576E-01 | -6.5880E-02 | 6.4080E-03 |
| S4 | 4.0029E-02 | -4.4779E-01 | 1.3348E+00 | -2.3968E+00 | 2.8892E+00 | -2.3603E+00 | 1.2688E+00 | -4.0293E-01 | 5.6589E-02 |
| S5 | 1.8845E-01 | -5.2227E-01 | 1.0388E+00 | -1.5579E+00 | 1.7481E+00 | -1.4149E+00 | 7.8639E-01 | -2.6256E-01 | 3.8628E-02 |
| S6 | 4.6237E-02 | -1.2483E-01 | 2.9672E-01 | -6.0073E-01 | 9.1080E-01 | -9.1094E-01 | 5.6738E-01 | -1.9756E-01 | 2.9251E-02 |
| S7 | -6.1172E-02 | 5.9527E-03 | -1.4385E-01 | 3.8249E-01 | -5.8329E-01 | 5.6066E-01 | -3.3478E-01 | 1.1359E-01 | -1.6910E-02 |
| S8 | -1.0729E-01 | 7.4062E-02 | -2.2387E-01 | 2.7362E-01 | -1.5188E-01 | 1.6480E-02 | 2.3539E-02 | -1.1460E-02 | 1.6110E-03 |
| S9 | -1.9645E-01 | 3.7355E-01 | -6.5447E-01 | 6.8434E-01 | -4.1290E-01 | 1.3215E-01 | -1.6910E-02 | -4.3000E-04 | 9.8100E-05 |
| S10 | -2.5411E-01 | 4.2316E-01 | -6.3981E-01 | 6.6201E-01 | -4.3099E-01 | 1.6483E-01 | -3.3640E-02 | 2.9040E-03 | -2.4000E-05 |
| S11 | -1.0492E-01 | 1.0431E-01 | -1.7418E-01 | 1.8064E-01 | -1.0724E-01 | 3.1940E-02 | -3.3800E-03 | -2.7000E-04 | 6.0400E-05 |
| S12 | 1.8538E-02 | -1.2428E-02 | -2.1710E-02 | 4.1905E-02 | -3.2250E-02 | 1.4343E-02 | -3.9600E-03 | 6.3100E-04 | -4.4000E-05 |
| S13 | 8.8667E-03 | -5.9871E-02 | 9.8520E-02 | -9.8660E-02 | 6.4731E-02 | -2.6860E-02 | 6.7180E-03 | -9.3000E-04 | 5.5100E-05 |
| S14 | 6.1401E-03 | -4.9525E-02 | 5.6365E-02 | -3.9600E-02 | 1.7056E-02 | -4.4900E-03 | 7.0400E-04 | -6.0000E-05 | 2.1600E-06 |
| S15 | -3.3903E-01 | 2.4929E-01 | -1.2565E-01 | 4.2321E-02 | -9.2000E-03 | 1.3010E-03 | -1.2000E-04 | 6.4500E-06 | -1.6000E-07 |
| S16 | -1.8529E-01 | 1.4889E-01 | -8.3600E-02 | 3.2294E-02 | -8.4900E-03 | 1.4870E-03 | -1.6000E-04 | 1.0500E-05 | -2.9000E-07 |
Table 38
Table 39 provide the effective focal length f1 to f8 of each lens in embodiment 13, optical imagery eyeglass group total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 on distance TTL, the imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH and full filed angle FOV of wire length.
| f1(mm) | 4.00 | f7(mm) | -999.94 |
| f2(mm) | -7.65 | f8(mm) | -3.73 |
| f3(mm) | 28.38 | f(mm) | 4.57 |
| f4(mm) | 171.96 | TTL(mm) | 5.60 |
| f5(mm) | -40.32 | ImgH(mm) | 3.10 |
| f6(mm) | 5.52 | FOV(°) | 66.5 |
Table 39
Figure 26 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 13, indicates the light of different wave length
Line deviates via the converging focal point after lens set.Figure 26 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 13,
Indicate meridianal image surface bending and sagittal image surface bending.Figure 26 C shows the distortion curve of the optical imagery eyeglass group of embodiment 13,
It indicates the distortion sizes values at different image heights.The ratio chromatism, that Figure 26 D shows the optical imagery eyeglass group of embodiment 13 is bent
Line indicates light via the deviation of the different image heights after lens set on imaging surface.6A to Figure 26 D is it is found that reality according to fig. 2
Applying optical imagery eyeglass group given by example 13 can be realized good image quality.
To sum up, embodiment 1 to embodiment 13 meets relationship shown in table 40 respectively.
Table 40
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to
The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above
Piece group.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (45)
1. optical imagery eyeglass group, along optical axis by object side to image side sequentially include: the first lens, the second lens, the third lens,
4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens, which is characterized in that
First lens have positive light coke；
Second lens have negative power；
The third lens have focal power, and object side is convex surface, and image side surface is concave surface；
4th lens have focal power；
5th lens have focal power, and object side is convex surface；
6th lens have positive light coke, and object side is convex surface；
7th lens have focal power；
8th lens have negative power；
The effective focal length f2 of second lens and total effective focal length f of the optical imagery eyeglass group meet -2.5 < f2/f
< -1.5.
2. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group it is total effectively
The effective focal length f1 of focal length f and first lens meets 1 < f/f1 < 2.
3. optical imagery eyeglass group according to claim 1, which is characterized in that the effective focal length f6 of the 6th lens with
The radius of curvature R 11 of the object side of 6th lens meets 1 < f6/R11 < 2.
4. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group it is total effectively
The effective focal length f8 of focal length f and the 8th lens meets -2 < f/f8 < -1.
5. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group it is total effectively
The radius of curvature R 1 of the object side of focal length f and first lens meets 2 < f/R1 < 2.5.
6. optical imagery eyeglass group according to claim 1, which is characterized in that the curvature of the image side surface of the third lens
The radius of curvature R 5 of the object side of radius R6 and the third lens meets 0.5 < R6/R5 < 1.5.
7. optical imagery eyeglass group according to claim 1, which is characterized in that the curvature of the object side of the 5th lens
The radius of curvature R 10 of the image side surface of radius R9 and the 5th lens meets 1 < R9/R10 < 2.
8. optical imagery eyeglass group according to claim 1, which is characterized in that the 4th lens are on the optical axis
The spacing distance T34 of center thickness CT4 and the third lens and the 4th lens on the optical axis meets 0.8 < CT4/
T34 < 1.8.
9. optical imagery eyeglass group according to claim 1, which is characterized in that first lens are on the optical axis
Center thickness CT1 and the 7th lens are in the 0.5 < CT1/CT7 < 1.5 of center thickness CT7 satisfaction on the optical axis.
10. optical imagery eyeglass group according to claim 1, which is characterized in that the object side of second lens is most
The maximum effective radius DT41 of the object side of big effective radius DT21 and the 4th lens meets 1 < DT21/DT41 < 1.5.
11. optical imagery eyeglass group according to claim 1, which is characterized in that the object side of second lens is convex
Face, image side surface are concave surface.
12. optical imagery eyeglass group according to claim 11, which is characterized in that the image side surface of the 7th lens is convex
Face.
13. optical imagery eyeglass group according to claim 12, which is characterized in that the image side surface of the 8th lens is recessed
Face.
14. optical imagery eyeglass group according to any one of claim 1 to 13, which is characterized in that first lens
Object side to the axis of optical imagery eyeglass composition image planes on distance TTL and the optical imagery eyeglass form in image planes and have
The half ImgH of effect pixel region diagonal line length meets TTL/ImgH < 1.95.
15. optical imagery eyeglass group according to any one of claim 1 to 13, which is characterized in that the optical imagery
The full filed angle FOV of lens set meets 60 ° of 75 ° of < FOV <.
16. optical imagery eyeglass group according to any one of claim 1 to 13, which is characterized in that the optical imagery
Total effective focal length f of lens set and the Entry pupil diameters EPD of the optical imagery eyeglass group meet f/EPD < 1.8.
It by object side to image side sequentially include: that the first lens, the second lens, third are saturating along optical axis 17. optical imagery eyeglass group
Mirror, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens, which is characterized in that
First lens have positive light coke；
Second lens have negative power；
The third lens have focal power, and object side is convex surface, and image side surface is concave surface；
4th lens have focal power；
5th lens have focal power, and object side is convex surface；
6th lens have positive light coke, and object side is convex surface；
7th lens have focal power；
8th lens have negative power；
Total effective focal length f of the optical imagery eyeglass group and the effective focal length f8 of the 8th lens meet -2 < f/f8 < -
1。
18. optical imagery eyeglass group according to claim 17, which is characterized in that the object side of second lens is convex
Face, image side surface are concave surface.
19. optical imagery eyeglass group according to claim 18, which is characterized in that the image side surface of the 7th lens is convex
Face.
20. optical imagery eyeglass group according to claim 19, which is characterized in that the image side surface of the 8th lens is recessed
Face.
21. optical imagery eyeglass group according to claim 17, which is characterized in that the optical imagery eyeglass group always has
Effect focal length f and the Entry pupil diameters EPD of the optical imagery eyeglass group meet f/EPD < 1.8.
22. optical imagery eyeglass group according to claim 17, which is characterized in that the object side of first lens to institute
It states distance TTL and the optical imagery eyeglass on the axis of optical imagery eyeglass composition image planes and forms effective pixel area pair in image planes
The long half ImgH of linea angulata meets TTL/ImgH < 1.95.
23. optical imagery eyeglass group according to claim 17, which is characterized in that the full view of the optical imagery eyeglass group
Rink corner FOV meets 60 ° of 75 ° of < FOV <.
24. optical imagery eyeglass group described in any one of 7 to 23 according to claim 1, which is characterized in that the optical imagery
Total effective focal length f of lens set and the effective focal length f1 of first lens meet 1 < f/f1 < 2.
25. optical imagery eyeglass group described in any one of 7 to 23 according to claim 1, which is characterized in that the 6th lens
Effective focal length f6 and the 6th lens object side radius of curvature R 11 meet 1 < f6/R11 < 2.
26. optical imagery eyeglass group described in any one of 7 to 23 according to claim 1, which is characterized in that the optical imagery
The radius of curvature R 1 of the object side of total effective focal length f and first lens of lens set meets 2 < f/R1 < 2.5.
27. optical imagery eyeglass group described in any one of 7 to 23 according to claim 1, which is characterized in that the third lens
Image side surface radius of curvature R 6 and the third lens object side radius of curvature R 5 meet 0.5 < R6/R5 < 1.5.
28. optical imagery eyeglass group described in any one of 7 to 23 according to claim 1, which is characterized in that the 5th lens
Object side radius of curvature R 9 and the 5th lens image side surface radius of curvature R 10 meet 1 < R9/R10 < 2.
29. optical imagery eyeglass group described in any one of 7 to 23 according to claim 1, which is characterized in that the 4th lens
In center thickness CT4 and the spacing distance of the third lens and the 4th lens on the optical axis on the optical axis
T34 meets 0.8 < CT4/T34 < 1.8.
30. optical imagery eyeglass group described in any one of 7 to 23 according to claim 1, which is characterized in that first lens
Meet 0.5 < CT1/ in the center thickness CT7 on the optical axis with the 7th lens in the center thickness CT1 on the optical axis
CT7 < 1.5.
31. optical imagery eyeglass group described in any one of 7 to 23 according to claim 1, which is characterized in that second lens
Object side maximum effective radius DT21 and the 4th lens object side maximum effective radius DT41 meet 1 <
DT21/DT41 < 1.5.
It by object side to image side sequentially include: that the first lens, the second lens, third are saturating along optical axis 32. optical imagery eyeglass group
Mirror, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens, which is characterized in that
First lens have positive light coke；
Second lens have negative power；
The third lens have focal power, and object side is convex surface, and image side surface is concave surface；
4th lens have focal power；
5th lens have focal power, and object side is convex surface；
6th lens have positive light coke, and object side is convex surface；
7th lens have focal power；
8th lens have negative power；
4th lens are in the center thickness CT4 on the optical axis with the third lens and the 4th lens in the light
Spacing distance T34 on axis meets 0.8 < CT4/T34 < 1.8.
33. optical imagery eyeglass group according to claim 32, which is characterized in that the optical imagery eyeglass group always has
The effective focal length f1 for imitating focal length f and first lens meets 1 < f/f1 < 2.
34. optical imagery eyeglass group according to claim 32, which is characterized in that the effective focal length f6 of the 6th lens
Meet 1 < f6/R11 < 2 with the radius of curvature R 11 of the object side of the 6th lens.
35. optical imagery eyeglass group according to claim 32, which is characterized in that the optical imagery eyeglass group always has
The radius of curvature R 1 for imitating the object side of focal length f and first lens meets 2 < f/R1 < 2.5.
36. optical imagery eyeglass group according to claim 32, which is characterized in that the song of the image side surface of the third lens
The radius of curvature R 5 of the object side of rate radius R6 and the third lens meets 0.5 < R6/R5 < 1.5.
37. optical imagery eyeglass group according to claim 32, which is characterized in that the song of the object side of the 5th lens
The radius of curvature R 10 of the image side surface of rate radius R9 and the 5th lens meets 1 < R9/R10 < 2.
38. optical imagery eyeglass group according to claim 32, which is characterized in that first lens are on the optical axis
Center thickness CT1 and the 7th lens on the optical axis center thickness CT7 meet 0.5 < CT1/CT7 < 1.5.
39. optical imagery eyeglass group according to claim 32, which is characterized in that the object side of second lens is most
The maximum effective radius DT41 of the object side of big effective radius DT21 and the 4th lens meets 1 < DT21/DT41 < 1.5.
40. optical imagery eyeglass group according to claim 32, which is characterized in that the object side of second lens is convex
Face, image side surface are concave surface.
41. optical imagery eyeglass group according to claim 40, which is characterized in that the image side surface of the 7th lens is convex
Face.
42. optical imagery eyeglass group according to claim 41, which is characterized in that the image side surface of the 8th lens is recessed
Face.
43. the optical imagery eyeglass group according to any one of claim 32 to 42, which is characterized in that first lens
Object side to the axis of optical imagery eyeglass composition image planes on distance TTL and the optical imagery eyeglass form in image planes and have
The half ImgH of effect pixel region diagonal line length meets TTL/ImgH < 1.95.
44. the optical imagery eyeglass group according to any one of claim 32 to 42, which is characterized in that the optical imagery
The full filed angle FOV of lens set meets 60 ° of 75 ° of < FOV <.
45. the optical imagery eyeglass group according to any one of claim 32 to 42, which is characterized in that the optical imagery
Total effective focal length f of lens set and the Entry pupil diameters EPD of the optical imagery eyeglass group meet f/EPD < 1.8.
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| WO2019233160A1 (en) * | 2018-06-05 | 2019-12-12 | 浙江舜宇光学有限公司 | Optical imaging lens group |
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| WO2019233160A1 (en) * | 2018-06-05 | 2019-12-12 | 浙江舜宇光学有限公司 | Optical imaging lens group |
| CN110989136A (en) * | 2019-12-20 | 2020-04-10 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| CN110908083A (en) * | 2019-12-23 | 2020-03-24 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
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