CN109358410A - Optical imagery eyeglass group - Google Patents
Optical imagery eyeglass group Download PDFInfo
- Publication number
- CN109358410A CN109358410A CN201811530853.0A CN201811530853A CN109358410A CN 109358410 A CN109358410 A CN 109358410A CN 201811530853 A CN201811530853 A CN 201811530853A CN 109358410 A CN109358410 A CN 109358410A
- Authority
- CN
- China
- Prior art keywords
- lens
- optical imagery
- eyeglass group
- imagery eyeglass
- axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 319
- 239000000571 coke Substances 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims description 37
- 239000011521 glass Substances 0.000 claims description 16
- 238000003384 imaging method Methods 0.000 description 47
- 201000009310 astigmatism Diseases 0.000 description 28
- 238000010586 diagram Methods 0.000 description 24
- 238000005452 bending Methods 0.000 description 12
- 210000001747 pupil Anatomy 0.000 description 12
- 241000700608 Sagitta Species 0.000 description 9
- 238000009738 saturating Methods 0.000 description 8
- 230000004075 alteration Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 240000001439 Opuntia Species 0.000 description 3
- 238000012634 optical imaging Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 208000001644 thecoma Diseases 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Abstract
This application discloses a kind of optical imagery eyeglass groups, the lens set includes having positive light coke and the prism with the plane of incidence, reflecting surface and exit facet, wherein, the plane of incidence is convex surface, exit facet is convex surface, prism is arranged so as to be emitted by exit facet along the direction of X-ray axis by the light of plane of incidence entrance prism via after reflective surface along the direction of Y optical axis, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group also sequentially includes: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power from exit facet to image side along X-ray axis, and the second lens can have negative power；The object side of 5th lens can be convex surface；And the plane of incidence and reflecting surface distance G1, reflecting surface and exit facet distance G2 and total effective focal length f of optical imagery eyeglass group on the axis on X-ray axis on the axis on Y optical axis meet 0.3 < (G1+G2)/f < 0.6.
Description
Technical field
This application involves a kind of optical imagery eyeglass groups, more specifically, this application involves a kind of light including seven pieces of eyeglasses
It studies as lens set.
Background technique
In recent years, such as portable electronic product of mobile phone, plate and digital camera is universal so that pick-up lens technology
It flourishes, while the lightening trend of these electronic products is but also pick-up lens miniature requirement is higher and higher.Shortening
When imaging lens length, in order to avoid photographic effect variation, it is also to be ensured that camera lens has excellent image quality.However, into
When row imaging lens design, not simply the preferable camera lens scaled down of image quality can be produced and have both small size
With the camera lens of good image quality, in fact, must also consider practical molding and the feasibility problems of packaging technology of eyeglass.This
Outside, on the basis of having miniaturization feature, it is also desirable that imaging lens focal length can be made bigger, the enlargement ratio of camera lens is more
The shooting effect of height, distant view is more preferable.
Therefore, the design difficulty that camera lens (especially micromation telephoto lens) is miniaturized is apparently higher than conventional lenses how
It produces the miniature requirement for not only meeting electronic product but also there is focal length characteristic while being also with the camera lens of good image quality
One of the target that optical imaging field is earnestly pursued always.
Summary of the invention
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, for example, telephoto lens.
On the one hand, this application provides such a optical imagery eyeglass group, which includes having positive light coke simultaneously
Prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, and prism is configured to
So that along the direction of Y optical axis by the light of plane of incidence entrance prism via passing through exit facet after reflective surface along the side of X-ray axis
To outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group is also sequentially wrapped along X-ray axis from exit facet to image side
Include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second thoroughly
Mirror can have negative power；The object side of 5th lens can be convex surface.Wherein, the plane of incidence of prism and reflecting surface are on Y optical axis
Axis on distance G1, the reflecting surface of prism and exit facet distance G2 and optical imagery eyeglass group on the axis on X-ray axis always have
Effect focal length f can meet 0.3 < (G1+G2)/f < 0.6.
In one embodiment, the effective focal length f1 of prism and the effective focal length f2 of the second lens can meet -1.8 <
F1/f2 < -1.
In one embodiment, total effective focal length f of optical imagery eyeglass group and the effective focal length f7 of the 7th lens can
Meet -1 < f7/f < 0.
In one embodiment, the 7th lens have negative power；And the 7th lens effective focal length f7, the 7th thoroughly
The radius of curvature R 14 of the image side surface of the radius of curvature R 13 and the 7th lens of the object side of mirror can meet -1.2 < f7/ (| R13 |+|
R14 |) < 0.
In one embodiment, the effective focal length f3 of the third lens and the effective focal length f4 of the 4th lens can meet -0.4
< (| f4 |-| f3 |)/(| f4 |+| f3 |) < 0.6.
In one embodiment, the curvature of the image side surface of the radius of curvature R 3 and the second lens of the object side of the second lens
Radius R4 can meet 0 < | (R3+R4)/(R3-R4) | < 0.8.
In one embodiment, total effective focal length f of optical imagery eyeglass group, the object side of the 6th lens curvature half
The radius of curvature R 12 of the image side surface of diameter R11 and the 6th lens can meet 0 < f/ (| R11 |+| R12 |) < 1.4.
In one embodiment, the curvature of the object side of total effective focal length f and the 5th lens of optical imagery eyeglass group
Radius R9 can meet 0.2 < R9/f < 1.2.
In one embodiment, center thickness CT5 of the 5th lens on X-ray axis exists with the 5th lens and the 6th lens
Spacing distance T56 on X-ray axis can meet 0.3 < (CT5-T56)/(CT5+T56) < 0.9.
In one embodiment, center thickness CT2 of second lens on X-ray axis and prism and the second lens are in X-ray
Spacing distance T12 on axis can meet 0.1 < (CT2-T12)/(CT2+T12) < 0.9.
In one embodiment, center thickness CT6 and seventh lens of the 6th lens on X-ray axis are on X-ray axis
Center thickness CT7 can meet 0 < | CT6-CT7 |/(CT6+CT7) < 0.7.
In one embodiment, the refractive index N3 of the third lens and the refractive index N5 of the 5th lens can meet 1.65 <
(N3+N5)/2 < 1.75.
In one embodiment, the half Semi-FOV at the maximum field of view angle of optical imagery eyeglass group can meet 10 ° of <
20 ° of Semi-FOV <.
In one embodiment, prism at least one of the 7th lens are glass material.
On the other hand, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface；7th lens can have negative power.Wherein, the 7th
The radius of curvature R 14 of the image side surface of the effective focal length f7 of lens, the radius of curvature R 13 of the object side of the 7th lens and the 7th lens
Can meet -1.2 < f7/ (| R13 |+| R14 |) < 0.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, the effective focal length f1 of prism and the second lens
Effective focal length f2 can meet -1.8 < f1/f2 < -1.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, total effective focal length f of optical imagery eyeglass group
- 1 < f7/f < 0 can be met with the effective focal length f7 of the 7th lens.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, the effective focal length f3 and the 4th of the third lens is saturating
The effective focal length f4 of mirror can meet -0.4 < (| f4 |-| f3 |)/(| f4 |+| f3 |) < 0.6.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, the radius of curvature R 3 of the object side of the second lens
0 < can be met with the radius of curvature R 4 of the image side surface of the second lens | (R3+R4)/(R3-R4) | < 0.8.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, total effective focal length f of optical imagery eyeglass group,
The radius of curvature R 12 of the image side surface of the radius of curvature R 11 and the 6th lens of the object side of 6th lens can meet 0 < f/ (| R11 |
+ | R12 |) < 1.4.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, total effective focal length f of optical imagery eyeglass group
0.2 < R9/f < 1.2 can be met with the radius of curvature R 9 of the object side of the 5th lens.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, center thickness of the 5th lens on X-ray axis
The spacing distance T56 of CT5 and the 5th lens and the 6th lens on X-ray axis can meet 0.3 < (CT5-T56)/(CT5+T56) <
0.9。
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, center thickness of second lens on X-ray axis
CT2 and the spacing distance T12 of prism and the second lens on X-ray axis can meet 0.1 < (CT2-T12)/(CT2+T12) < 0.9.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, center thickness of the 6th lens on X-ray axis
The center thickness CT7 of CT6 and the 7th lens on X-ray axis can meet 0 < | CT6-CT7 |/(CT6+CT7) < 0.7.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, the refractive index N3 and the 5th lens of the third lens
Refractive index N5 can meet 1.65 < (N3+N5)/2 < 1.75.
Another aspect, this application provides such a optical imagery eyeglass group, which includes having positive light coke
And the prism with the plane of incidence, reflecting surface and exit facet, wherein the plane of incidence can be convex surface, and exit facet can be convex surface, prism configuration
At making along the direction of Y optical axis through the light of plane of incidence entrance prism via passing through exit facet after reflective surface along X-ray axis
Direction outgoing, wherein Y optical axis is substantially vertical with X-ray axis；Optical imagery eyeglass group along X-ray axis from exit facet to image side also sequentially
It include: the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power, second
Lens can have negative power；The object side of 5th lens can be convex surface.Wherein, the maximum field of view angle of optical imagery eyeglass group
Half Semi-FOV can meet 10 ° of 20 ° of < Semi-FOV <.
The application use seven lens, by each power of lens of reasonable distribution, face type, each lens center thickness
And spacing etc. on the axis between each lens, and by the way of refraction-reflection type lens, so that above-mentioned optical imagery eyeglass group has
At least one beneficial effect such as focal length is long, camera lens depth is short, image quality is high.
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 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 1；
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 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 2；
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 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 3；
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 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 4；
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 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 5；
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 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 6；
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 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 7；
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 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 8；
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 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 9；
Figure 19 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 10；
Figure 20 A to Figure 20 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 10；
Figure 21 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 11；
Figure 22 A to Figure 22 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 11；
Figure 23 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 12；
Figure 24 A to Figure 24 B respectively illustrates the astigmatism curve and distortion curve of the optical imagery eyeglass group of embodiment 12.
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 second lens discussed are also known as the third lens or the 4th 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 features, 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 seven saturating with focal power
Mirror, that is, prism, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven eyeglasses
Along by object side to image side sequential, and can have airspace between each adjacent mirror.
There is plane of incidence S1, reflecting surface S2 and exit facet S3 referring to Fig. 1, prism E1.When the light from object is along Y light
When the direction of axis enters prism E1 via plane of incidence S1, exit facet S3 can be turned to along the side of X-ray axis with being totally reflected by reflecting surface S2
To outgoing, and sequentially via the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7 and optical filter E8, and be imaged on most finally imaging surface S18.Wherein, Y optical axis is substantially vertical with X-ray axis.
In the exemplary embodiment, prism can have positive light coke, and the plane of incidence can be convex surface, and exit facet can be convex
Face；Second lens can have negative power；The third lens have positive light coke or negative power；4th lens have positive light coke
Or negative power；5th lens have positive light coke or negative power, and object side can be convex surface；6th lens have positive light focus
Degree or negative power；7th lens have positive light coke or negative power.By reasonable disposition focal power, system can be effectively corrected
Spherical aberration and color difference, and can avoid focal power concentrations in single eyeglass, so that eyeglass sensibility be effectively reduced, for practical system
Looser tolerance conditions are provided.
In the exemplary embodiment, at least one of prism and the second lens to the 7th lens can be glass material
Matter.Reasonable disposition lens materials can reduce astigmatism, distortion and the color difference of system；In addition, can also reduce temperature change to system at
The influence of image quality amount makes system have preferable stability.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.3 < of conditional (G1+G2)/f <
0.6, wherein G1 is the plane of incidence and the reflecting surface distance on the axis on Y optical axis of prism, and G2 is the reflecting surface and exit facet of prism
The distance on the axis on X-ray axis, f are total effective focal length of optical imagery eyeglass group.More specifically, G1, G2 and f can further expire
0.40≤(G1+G2)/f≤0.49 of foot.Meet 0.3 < of conditional (G1+G2)/f < 0.6, imaging lens depth can shortened
Under the conditions of, guarantee that system has longer focal length and good vista shot effect.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 10 ° of < Semi-FOV < of conditional
20 °, wherein Semi-FOV is the half at the maximum field of view angle of optical imagery eyeglass group.More specifically, Semi-FOV further may be used
Meet 12 ° of 18 ° of < Semi-FOV <, such as 14.2 °≤Semi-FOV≤15.9 °.The field angle of reasonable control system, facilitates
Guarantee peripheral field resolution ratio with higher and relative luminance in vista shot.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -1.8 < -1 < f1/f2 of conditional,
Wherein, f1 is the effective focal length of prism, and f2 is the effective focal length of the second lens.More specifically, f1 and f2 can further meet-
1.76≤f1/f2≤-1.08.The effective focal length of reasonable disposition prism and the second lens, can active balance prism and the second lens
The coma and astigmatism of generation.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -1 < f7/f < 0 of conditional,
In, f is total effective focal length of optical imagery eyeglass group, and f7 is the effective focal length of the 7th lens.More specifically, f7 and f are further
- 0.90≤f7/f≤- 0.33 can be met.By rationally controlling the effective focal length of the 7th lens, prism and can be effectively reduced
The spherical aberration and color difference that two lens to the 6th lens do not completely eliminate promote image quality.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -1.2 < f7/ of conditional (| R13 |+
| R14 |) < 0, wherein f7 is the effective focal length of the 7th lens, and R13 is the radius of curvature of the object side of the 7th lens, R14 the
The radius of curvature of the image side surface of seven lens.More specifically, f7, R13 and R14 can further meet -1.16≤f7/ (| R13 |+|
R14|)≤-0.05.By meet -1.2 < f7/ of conditional (| R13 |+| R14 |) < 0, may make the chief ray angle of system with
The matching degree of chip is higher；In addition, can also enhance the relative illumination and image quality of peripheral field.Optionally, the 7th lens can
With negative power.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -0.4 < of conditional (| f4 |-| f3
|)/(| f4 |+| f3 |) < 0.6, wherein f3 is the effective focal length of the third lens, and f4 is the effective focal length of the 4th lens.More specifically
Ground, f4 and f3 can further meet -0.39≤(| f4 |-| f3 |)/(| f4 |+| f3 |)≤0.52.It is saturating by rationally controlling third
The effective focal length of mirror and the 4th lens can slow down deviation of the light in the third lens and the 4th lens, reduce by third and fourth
The sensibility of lens, while can also balance the curvature of field, astigmatism and the distortion of the third lens and the generation of the 4th lens.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0 < of conditional | (R3+R4)/(R3-
R4) | < 0.8, wherein R3 is the radius of curvature of the object side of the second lens, and R4 is the radius of curvature of the image side surface of the second lens.
More specifically, R3 and R4 can further meet 0.03≤| (R3+R4)/(R3-R4) |≤0.77.The object of the second lens of reasonable disposition
The radius of curvature of side and the radius of curvature of image side surface can effectively reduce light in the incidence angle and the angle of emergence of the second lens, and
The sensibility of the second lens can be reduced；In addition, can also reduce high-order spherical aberration caused by the second lens and coma.Optionally,
The object side of two lens can be concave surface, and image side surface can be concave surface.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0 < f/ of conditional (| R11 |+| R12
|) < 1.4, wherein f is total effective focal length of optical imagery eyeglass group, and R11 is the radius of curvature of the object side of the 6th lens,
R12 is the radius of curvature of the image side surface of the 6th lens.More specifically, f, R11 and R12 can further meet 0.04≤f/ (| R11 |
+|R12|)≤1.33.The rationally radius of curvature of the radius of curvature of the object side of the 6th lens of control and image side surface, can effectively avoid
Deflection angle of the light in the 6th lens is spent greatly, and can reduce the sensibility of the 6th lens, while can also effectively be evaded because partially
Dog-ear spends total reflection ghost image that is big and generating.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.2 < R9/f < 1.2 of conditional,
Wherein, f is total effective focal length of optical imagery eyeglass group, and R9 is the radius of curvature of the object side of the 5th lens.More specifically, R9
0.30≤R9/f≤1.00 can further be met with f.By the radius of curvature of the object side of the 5th lens of reasonable disposition, can reduce
Light enters the incidence angle of the 5th lens, and can reduce caused by the 5th lens while reducing the sensibility of the 5th lens
The curvature of field and distortion.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.1 < of conditional (CT2-T12)/
(CT2+T12) 0.9 <, wherein CT2 is center thickness of second lens on X-ray axis, and T12 is prism and the second lens in X-ray
Spacing distance on axis.More specifically, CT2 and T12 can further meet 0.18≤(CT2-T12)/(CT2+T12)≤0.88.
Meet 0.1 < of conditional (CT2-T12)/(CT2+T12) < 0.9, it can be under conditions of guaranteeing the craftsmanship of the second lens, effectively
Deviation of the light in the second lens is mitigated, and then evades the total reflection ghost image generated because deviation angle is larger.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.3 < of conditional (CT5-T56)/
(CT5+T56) 0.9 <, wherein CT5 is center thickness of the 5th lens on X-ray axis, and T56 is the 5th lens and the 6th lens
Spacing distance on X-ray axis.More specifically, CT5 and T56 can further meet 0.33≤(CT5-T56)/(CT5+T56)≤
0.89.Meet 0.3 < of conditional (CT5-T56)/(CT5+T56) < 0.9, it is saturating in the 5th lens and the 6th can effectively to slow down light
Deviation between mirror, while also helping molding and the packaging technology of the 5th lens.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0 < of conditional | CT6-CT7 |/
(CT6+CT7) 0.7 <, wherein CT6 is center thickness of the 6th lens on X-ray axis, and CT7 is the 7th lens on X-ray axis
Center thickness.More specifically, CT6 and CT7 can further meet 0.09≤| CT6-CT7 |/(CT6+CT7)≤0.65.Rationally control
The center thickness of the 6th lens and the 7th lens on optical axis is made, it can be before guaranteeing the craftsmanship of the 6th lens and the 7th lens
Put, effectively shorten the rear end size of camera lens, at the same can also astigmatism caused by the 6th lens of active balance and the 7th lens and
The curvature of field.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1.65 < of conditional (N3+N5)/2
< 1.75, wherein N3 is the refractive index of the third lens, and N5 is the refractive index of the 5th lens.More specifically, N3 and N5 further may be used
Meet 1.67≤(N3+N5)/2≤1.74.The rationally refractive index of control the third lens and the 5th lens can avoid light in third
Because deflection angle spends the total reflection ghost image generated greatly in lens and the 5th lens；In addition, can also reduce the third lens and the 5th
Color difference caused by lens.
In the exemplary embodiment, above-mentioned optical imagery eyeglass group may also include diaphragm, with promoted camera lens at image quality
Amount.Optionally, diaphragm may be provided between prism and the second 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
Seven.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing
Deng the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that optical imaging lens
Piece group, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Optical imagery eyeglass group through the above configuration is also
There can be the beneficial effects such as focal length is long, camera lens depth is short, image quality is high.
In presently filed embodiment, at least one of plane of incidence and exit facet of each eyeglass are aspherical mirror,
That is, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and each lens in the 7th lens object side
It is aspherical mirror at least one of the plane of incidence and exit facet of image side surface and prism.The characteristics of non-spherical lens, is:
From lens centre to lens perimeter, curvature is consecutive variations.With the ball from lens centre to lens perimeter with constant curvature
Face lens are different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve astigmatic image error
Advantage.After non-spherical lens, the aberration occurred when imaging can be eliminated, as much as possible so as to improve at image quality
Amount.Optionally, the plane of incidence of prism and exit facet are aspherical mirror.Optionally, the second lens, the third lens, the 4th thoroughly
Mirror, the 5th lens, the object side of the 6th lens and each lens in the 7th lens and image side surface are aspherical mirror.
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 seven lens as an example in embodiments, which is not limited to include seven
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 B 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, the optical imagery eyeglass group according to the application illustrative embodiments is sequentially wrapped by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are convex surface, and image side surface S7 is convex surface.4th lens E4 has negative power, and object side S8 is
Convex surface, image side surface S9 are concave surface.5th lens E5 has positive light coke, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is convex surface, and image side surface S13 is convex surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence of prism E1 and exit facet and the second lens E2 are any one into the 7th lens E7
The object side of a lens and image side surface are aspherical.In the present embodiment, the face type x of each non-spherical lens is available but unlimited
It is defined in following aspherical formula:
Wherein, x be it is aspherical along X-ray 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, S3-S154、A6、A8、A10、A12、A14、A16、A18And A20。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -1.1790E-02 | -5.6256E-04 | -2.3375E-05 | -3.9663E-06 | -7.5394E-07 | -2.9955E-07 | -5.0405E-07 | -1.7853E-07 | 2.8138E-07 |
| S3 | -2.1286E-02 | 7.7123E-03 | -1.6550E-04 | 7.2996E-05 | -2.5793E-04 | 1.4246E-04 | 1.7332E-06 | 5.3188E-05 | -1.2902E-05 |
| S4 | -2.8626E-02 | -2.6684E-03 | 4.0597E-03 | -1.2416E-03 | 3.6450E-04 | -1.2100E-04 | 2.9634E-05 | 4.6252E-06 | 6.7986E-06 |
| S5 | 8.6351E-03 | -1.3494E-02 | 4.5783E-03 | -1.2866E-03 | 4.2167E-04 | -1.4731E-04 | 4.3628E-05 | -1.2728E-05 | 5.1027E-06 |
| S6 | -4.1598E-02 | -2.2098E-02 | 1.9952E-02 | -3.1873E-02 | 1.8317E-02 | -2.3712E-03 | -3.4848E-03 | 4.3607E-04 | 3.1562E-04 |
| S7 | 2.2306E-01 | -6.4568E-02 | 2.3605E-02 | -1.0068E-02 | 9.4640E-03 | -6.9565E-03 | -2.7281E-04 | 1.6680E-03 | 5.3007E-04 |
| S8 | -2.1496E-02 | 3.9667E-02 | 3.4029E-03 | -4.6665E-03 | -1.6646E-03 | -1.0035E-03 | -4.1156E-04 | -1.2848E-04 | -2.3398E-05 |
| S9 | 1.9268E-02 | 3.2654E-02 | 2.7608E-03 | -6.5577E-04 | -9.6949E-05 | 9.3115E-05 | -1.0641E-05 | 1.7706E-05 | -1.6307E-05 |
| S10 | 5.2622E-02 | -1.5777E-03 | -8.9854E-05 | 1.9152E-04 | -6.7947E-05 | 2.6817E-05 | -1.4521E-05 | 4.6636E-06 | -5.3934E-07 |
| S11 | 1.2070E-03 | -2.1985E-02 | 4.1369E-03 | 1.9190E-03 | -1.9760E-03 | -8.4030E-05 | -1.3158E-04 | 3.5371E-05 | -2.9202E-05 |
| S12 | 9.8871E-03 | -1.1158E-03 | 9.1823E-05 | 4.3935E-04 | -3.5107E-04 | 7.6495E-05 | -2.6909E-05 | 1.3690E-05 | -1.0808E-06 |
| S13 | -7.2635E-03 | 5.7577E-04 | 3.8844E-04 | -7.0827E-04 | -9.9503E-05 | -1.5024E-05 | -1.5248E-05 | 4.6257E-06 | 1.3527E-05 |
| S14 | -6.6099E-03 | -9.1694E-04 | 6.2246E-04 | 1.3741E-04 | -8.6447E-05 | -1.8647E-05 | -4.2302E-05 | -1.0796E-05 | 1.9342E-05 |
| S15 | -1.9412E-03 | -3.2807E-03 | 2.1699E-04 | 2.3626E-04 | -1.1734E-04 | 3.2677E-05 | -6.8079E-06 | -9.5459E-07 | 4.4659E-07 |
Table 2
Table 3 provide the effective focal length f1 to f7 of each lens in embodiment 1, optical imagery eyeglass group total effective focal length f, enter
Penetrate face S1 and reflecting surface S2 distance G1 and reflecting surface S2 and exit facet S3 distance on the axis on X-ray axis on the axis on Y optical axis
The half ImgH of effective pixel area diagonal line length and total effective focal length f and entrance pupil are straight on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
Table 3
Optical imagery eyeglass group in embodiment 1 meets:
(G1+G2)/f=0.42, wherein G1 is plane of incidence S1 and reflecting surface S2 distance on the axis on Y optical axis, and G2 is anti-
Face S2 and exit facet the S3 distance on the axis on X-ray axis are penetrated, f is total effective focal length of optical imagery eyeglass group；
Semi-FOV=15.7 °, wherein Semi-FOV is the half at the maximum field of view angle of optical imagery eyeglass group；
F1/f2=-1.54, wherein f1 is the effective focal length of prism E1, and f2 is the effective focal length of the second lens E2；
F7/f=-0.44, wherein f is total effective focal length of optical imagery eyeglass group, and f7 is effective coke of the 7th lens E7
Away from；
F7/ (| R13 |+| R14 |)=0.44, wherein f7 is the effective focal length of the 7th lens E7, and R13 is the 7th lens E7
Object side S14 radius of curvature, R14 be the 7th lens E7 image side surface S15 radius of curvature；
(| f4 |-| f3 |)/(| f4 |+| f3 |)=0.03, wherein f3 is the effective focal length of the third lens E3, and f4 is the 4th
The effective focal length of lens E4；
| (R3+R4)/(R3-R4) |=0.05, wherein R3 is the radius of curvature of the object side S4 of the second lens E2, and R4 is
The radius of curvature of the image side surface S5 of second lens E2；
F/ (| R11 |+| R12 |)=- 0.40, wherein f is total effective focal length of optical imagery eyeglass group, and R11 is the 6th saturating
The radius of curvature of the object side S12 of mirror E6, R12 are the radius of curvature of the image side surface S13 of the 6th lens E6；
R9/f=0.42, wherein f is total effective focal length of optical imagery eyeglass group, and R9 is the object side of the 5th lens E5
The radius of curvature of S10；
(CT2-T12)/(CT2+T12)=0.41, wherein CT2 is center thickness of the second lens E2 on X-ray axis, T12
For the spacing distance of prism E1 and the second lens E2 on X-ray axis；
(CT5-T56)/(CT5+T56)=0.75, wherein CT5 is center thickness of the 5th lens E5 on X-ray axis, T56
For the spacing distance of the 5th lens E5 and the 6th lens E6 on X-ray axis；
| CT6-CT7 |/(CT6+CT7)=0.09, wherein CT6 is center thickness of the 6th lens E6 on X-ray axis, CT7
For center thickness of the 7th lens E7 on X-ray axis；
(N3+N5)/2=1.72, wherein N3 is the refractive index of the third lens E3, and N5 is the refractive index of the 5th lens E5.
Fig. 2A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 1, indicates meridianal image surface bending and the sagitta of arc
Curvature of the image.Fig. 2 B shows the distortion curve of the optical imagery eyeglass group of embodiment 1, indicates abnormal corresponding to different image heights
Become sizes values.A to Fig. 2 B is it is found that optical imagery eyeglass group given by embodiment 1 can be realized good imaging product according to fig. 2
Matter.
Embodiment 2
Referring to Fig. 3 to Fig. 4 B 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, the optical imagery eyeglass group according to the application illustrative embodiments is sequentially wrapped by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are concave surface, and image side surface S7 is convex surface.4th lens E4 has negative power, and object side S8 is
Convex surface, image side surface S9 are concave surface.5th lens E5 has positive light coke, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is convex surface, and image side surface S13 is convex surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence of prism E1 and exit facet and the second lens E2 to the 7th lens
The object side of any one lens in E7 and image side surface are aspherical.Table 5 show can be used for it is each aspherical in embodiment 2
The high-order coefficient of mirror surface, wherein each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 5
Table 6 provide the effective focal length f1 to f7 of each lens in embodiment 2, optical imagery eyeglass group total effective focal length f, enter
Penetrate face S1 and reflecting surface S2 distance G1 and reflecting surface S2 and exit facet S3 distance on the axis on X-ray axis on the axis on Y optical axis
The half ImgH of effective pixel area diagonal line length and total effective focal length f and entrance pupil are straight on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 7.48 | f7(mm) | -6.62 |
| f2(mm) | -4.58 | f(mm) | 18.40 |
| f3(mm) | 16.52 | (G1+G2)(mm) | 8.93 |
| f4(mm) | -18.92 | ImgH(mm) | 5.15 |
| f5(mm) | 27.86 | f/EPD | 2.95 |
| f6(mm) | 5.24 |
Table 6
Fig. 4 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 2, indicates meridianal image surface bending and the sagitta of arc
Curvature of the image.Fig. 4 B shows the distortion curve of the optical imagery eyeglass group of embodiment 2, indicates abnormal corresponding to different image heights
Become sizes values.According to Fig. 4 A to Fig. 4 B it is found that optical imagery eyeglass group given by embodiment 2 can be realized good imaging product
Matter.
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 B.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, the optical imagery eyeglass group according to the application illustrative embodiments is sequentially wrapped by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are convex surface, and image side surface S7 is convex surface.4th lens E4 has negative power, and object side S8 is
Concave surface, image side surface S9 are concave surface.5th lens E5 has positive light coke, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is convex surface, and image side surface S13 is convex surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence of prism E1 and exit facet and the second lens E2 to the 7th lens
The object side of any one lens in E7 and image side surface are aspherical.Table 8 show can be used for it is each aspherical in embodiment 3
The high-order coefficient of mirror surface, 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 | -2.7820E-02 | -7.1537E-03 | -2.1360E-03 | -1.0747E-03 | -6.3265E-04 | -3.2478E-04 | -1.4528E-04 | -4.5102E-05 | -9.4432E-06 |
| S3 | -2.2110E-02 | 3.8980E-01 | 9.0564E-02 | 3.2398E-04 | 4.7982E-02 | -5.5633E-02 | -7.8139E-03 | 3.0302E-02 | -1.9422E-02 |
| S4 | -1.5492E-02 | 1.6241E-02 | 4.1244E-03 | 6.3730E-03 | 3.7474E-03 | 1.9225E-03 | 7.6533E-04 | 2.2763E-04 | 4.0417E-05 |
| S5 | 1.8161E-02 | -1.6989E-02 | 1.2911E-02 | 8.4070E-03 | 6.6413E-03 | 3.8333E-03 | 1.3451E-03 | 4.0397E-04 | 7.3314E-05 |
| S6 | -1.0927E+02 | -2.2916E+01 | -2.1775E+01 | 3.1566E+00 | -6.6942E+00 | 3.6552E+00 | -9.4680E-01 | -5.2436E-01 | 9.4175E-01 |
| S7 | -3.4084E-01 | 1.2135E-01 | -2.7028E-02 | 4.1192E-02 | -1.7224E-02 | -4.4591E-03 | 3.9797E-03 | -2.0486E-03 | 3.4225E-03 |
| S8 | 7.7250E-02 | -2.3290E-02 | 2.0278E-02 | -1.0725E-02 | 1.4763E-04 | -8.0093E-04 | 1.0186E-03 | -1.5802E-03 | -3.1474E-03 |
| S9 | -1.0818E-02 | 2.1804E-02 | 1.3015E-02 | 6.7469E-03 | -7.9767E-03 | 6.5533E-03 | -1.2131E-03 | 9.8395E-04 | -4.1252E-03 |
| S10 | 8.8721E-02 | -8.5525E-03 | 3.0178E-03 | -3.3225E-03 | -1.0075E-03 | 6.8688E-03 | 9.8457E-04 | 6.4597E-04 | -1.8873E-03 |
| S11 | -5.3490E-02 | -5.4705E-04 | 1.9084E-02 | -1.4365E-02 | 1.1731E-02 | -2.8739E-03 | -1.4638E-03 | -8.3593E-04 | 4.6825E-03 |
| S12 | 5.7333E-02 | -7.2448E-03 | -7.2691E-03 | 8.1364E-03 | 3.4793E-03 | -1.0700E-02 | -9.4246E-03 | -1.0059E-02 | -2.2902E-03 |
| S13 | -8.7314E-03 | 2.6135E-03 | 8.0301E-03 | -3.5038E-03 | 2.4062E-03 | -6.5999E-04 | -5.1575E-04 | 2.4108E-04 | 9.6917E-05 |
| S14 | -1.0229E-01 | 5.2225E-03 | 2.1821E-02 | 8.7732E-04 | 7.3796E-03 | 3.0747E-03 | 4.1826E-03 | 3.0005E-03 | 5.8796E-04 |
| S15 | 1.5930E-01 | 1.6085E-02 | -2.2212E-02 | -1.1000E-02 | -5.1338E-03 | -3.7509E-03 | -2.8693E-03 | -1.1753E-03 | -3.2621E-04 |
Table 8
Table 9 provide the effective focal length f1 to f7 of each lens in embodiment 3, optical imagery eyeglass group total effective focal length f, enter
Penetrate face S1 and reflecting surface S2 distance G1 and reflecting surface S2 and exit facet S3 distance on the axis on X-ray axis on the axis on Y optical axis
The half ImgH of effective pixel area diagonal line length and total effective focal length f and entrance pupil are straight on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 7.87 | f7(mm) | -6.13 |
| f2(mm) | -4.48 | f(mm) | 18.42 |
| f3(mm) | 7.78 | (G1+G2)(mm) | 8.72 |
| f4(mm) | -9.78 | ImgH(mm) | 5.15 |
| f5(mm) | 62.71 | f/EPD | 2.95 |
| f6(mm) | 4.66 |
Table 9
Fig. 6 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 3, indicates meridianal image surface bending and the sagitta of arc
Curvature of the image.Fig. 6 B shows the distortion curve of the optical imagery eyeglass group of embodiment 3, indicates abnormal corresponding to different image heights
Become sizes values.According to Fig. 6 A to Fig. 6 B it is found that optical imagery eyeglass group given by embodiment 3 can be realized good imaging product
Matter.
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 B.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, the optical imagery eyeglass group according to the application illustrative embodiments is sequentially wrapped by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are convex surface, and image side surface S7 is convex surface.4th lens E4 has negative power, and object side S8 is
Convex surface, image side surface S9 are concave surface.5th lens E5 has positive light coke, and object side S10 is convex surface, and image side surface S11 is convex surface.
6th lens E6 has positive light coke, and object side S12 is concave surface, and image side surface S13 is convex surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence of prism E1 and exit facet and the second lens E2 to the 7th lens
The object side of any one lens in E7 and image side surface are aspherical.Table 11, which is shown, can be used for each aspheric in embodiment 4
The high-order coefficient of face mirror surface, 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 f7 of each lens in embodiment 4, optical imagery eyeglass group total effective focal length f,
Plane of incidence S1 and reflecting surface S2 on the axis on Y optical axis distance G1 and reflecting surface S2 and exit facet S3 on the axis on X-ray axis away from
Half ImgH and total effective focal length f and entrance pupil from effective pixel area diagonal line length on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 6.72 | f7(mm) | -8.29 |
| f2(mm) | -4.31 | f(mm) | 18.22 |
| f3(mm) | 16.08 | (G1+G2)(mm) | 8.07 |
| f4(mm) | -20.40 | ImgH(mm) | 5.15 |
| f5(mm) | 6.64 | f/EPD | 2.95 |
| f6(mm) | 33.46 |
Table 12
Fig. 8 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 4, indicates meridianal image surface bending and the sagitta of arc
Curvature of the image.Fig. 8 B shows the distortion curve of the optical imagery eyeglass group of embodiment 4, indicates abnormal corresponding to different image heights
Become sizes values.According to Fig. 8 A to Fig. 8 B it is found that optical imagery eyeglass group given by embodiment 4 can be realized good imaging product
Matter.
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 B.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, the optical imagery eyeglass group according to the application illustrative embodiments is sequentially wrapped by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are convex surface, and image side surface S7 is convex surface.4th lens E4 has negative power, and object side S8 is
Convex surface, image side surface S9 are concave surface.5th lens E5 has positive light coke, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is concave surface, and image side surface S13 is convex surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence and exit facet of prism E1 and the second lens E2 to the 7th lens
The object side of any one lens in E7 and image side surface are aspherical.Table 14, which is shown, can be used for each aspheric in embodiment 5
The high-order coefficient of face mirror surface, 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 | -1.4460E-02 | -8.1808E-04 | -6.6067E-05 | 4.4365E-06 | -6.1498E-06 | 6.2565E-06 | -3.6804E-06 | 8.9057E-07 | -4.2500E-08 |
| S3 | -1.8123E-02 | 8.0857E-03 | 2.6299E-03 | 8.7719E-04 | -4.8450E-04 | 3.7729E-04 | 7.1857E-04 | -5.3339E-04 | 1.1305E-03 |
| S4 | -3.1739E-02 | -2.9848E-03 | 5.7250E-03 | 5.9099E-04 | -2.3608E-04 | 3.1341E-05 | 8.5719E-04 | -1.2058E-03 | 5.0816E-04 |
| S5 | 8.2796E-03 | -1.4416E-02 | 2.9077E-03 | -7.7259E-04 | -5.3133E-04 | -3.6990E-04 | -1.1418E-04 | -3.0721E-04 | 4.6834E-05 |
| S6 | -5.0070E-02 | -1.8956E-02 | 1.7642E-02 | -2.9384E-02 | 1.5432E-02 | 1.3700E-03 | -4.5434E-03 | 1.2068E-03 | -1.3862E-04 |
| S7 | 2.1981E+01 | -3.4104E+00 | 1.9022E+00 | -6.4551E-01 | 3.3795E-01 | -1.9039E-01 | 1.3542E+00 | -2.6277E+03 | -1.5746E-01 |
| S8 | -2.2318E-02 | 4.4266E-02 | 3.3321E-04 | -5.1288E-03 | -1.5491E-03 | -8.2232E-04 | -1.4426E-04 | -3.0108E-05 | -1.1577E-05 |
| S9 | 1.5452E-02 | 2.6666E-02 | 3.9474E-03 | -1.0260E-03 | -7.5258E-04 | -6.8319E-04 | -5.2829E-04 | -2.9873E-04 | -1.2601E-04 |
| S10 | 1.4439E-01 | -2.2191E-02 | 7.1909E-03 | -1.2993E-03 | -1.8775E-03 | 2.3096E-03 | -1.7021E-03 | 7.0505E-05 | 1.3699E-04 |
| S11 | -1.1563E+02 | -1.0952E+01 | 2.0802E+00 | -1.3989E+00 | 4.4941E-01 | -2.7120E-01 | 1.9462E-01 | -1.2869E-01 | 1.2462E-01 |
| S12 | 1.1031E-02 | 7.0171E-04 | 4.0310E-04 | -2.1594E-04 | -6.7600E-05 | 3.5724E-04 | 2.4622E-04 | 1.4266E-04 | -8.6501E-06 |
| S13 | -1.4301E-02 | -9.0879E-04 | 2.3456E-04 | -4.8552E-04 | -2.4798E-04 | -9.5947E-05 | -7.3051E-05 | 9.3570E-05 | 4.0919E-05 |
| S14 | -6.5829E-03 | 9.6391E-05 | 1.7418E-03 | -8.8497E-04 | -2.1539E-04 | -2.8350E-04 | 1.5113E-04 | 4.0442E-04 | 1.8019E-04 |
| S15 | -3.1853E-03 | -2.9072E-03 | 9.6665E-04 | -8.5856E-06 | 3.3441E-05 | -9.4773E-05 | -2.8512E-05 | 5.9129E-05 | 3.0561E-05 |
Table 14
Table 15 provide the effective focal length f1 to f7 of each lens in embodiment 5, optical imagery eyeglass group total effective focal length f,
Plane of incidence S1 and reflecting surface S2 on the axis on Y optical axis distance G1 and reflecting surface S2 and exit facet S3 on the axis on X-ray axis away from
Half ImgH and total effective focal length f and entrance pupil from effective pixel area diagonal line length on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 7.67 | f7(mm) | -8.87 |
| f2(mm) | -4.95 | f(mm) | 18.01 |
| f3(mm) | 15.00 | (G1+G2)(mm) | 8.15 |
| f4(mm) | -36.37 | ImgH(mm) | 5.15 |
| f5(mm) | 10.76 | f/EPD | 2.95 |
| f6(mm) | 19.20 |
Table 15
Figure 10 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 5, indicates meridianal image surface bending and the sagitta of arc
Curvature of the image.Figure 10 B shows the distortion curve of the optical imagery eyeglass group of embodiment 5, indicates corresponding to different image heights
Distort sizes values.According to Figure 10 A to Figure 10 B it is found that optical imagery eyeglass group given by embodiment 5 can be realized it is good at
As 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 B.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, it is sequentially wrapped according to the optical imagery eyeglass group of the application illustrative embodiments by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are concave surface, and image side surface S7 is convex surface.4th lens E4 has negative power, and object side S8 is
Concave surface, image side surface S9 are concave surface.5th lens E5 has positive light coke, and object side S10 is convex surface, and image side surface S11 is convex surface.
6th lens E6 has negative power, and object side S12 is concave surface, and image side surface S13 is convex surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence and exit facet of prism E1 and the second lens E2 to the 7th lens
The object side of any one lens in E7 and image side surface are aspherical.Table 17, which is shown, can be used for each aspheric in embodiment 6
The high-order coefficient of face mirror surface, 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 f7 of each lens in embodiment 6, optical imagery eyeglass group total effective focal length f,
Plane of incidence S1 and reflecting surface S2 on the axis on Y optical axis distance G1 and reflecting surface S2 and exit facet S3 on the axis on X-ray axis away from
Half ImgH and total effective focal length f and entrance pupil from effective pixel area diagonal line length on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 7.54 | f7(mm) | -8.57 |
| f2(mm) | -4.99 | f(mm) | 18.00 |
| f3(mm) | 21.79 | (G1+G2)(mm) | 7.82 |
| f4(mm) | -18.53 | ImgH(mm) | 5.15 |
| f5(mm) | 4.63 | f/EPD | 2.95 |
| f6(mm) | -36.78 |
Table 18
Figure 12 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 6, indicates meridianal image surface bending and the sagitta of arc
Curvature of the image.Figure 12 B shows the distortion curve of the optical imagery eyeglass group of embodiment 6, indicates corresponding to different image heights
Distort sizes values.According to Figure 12 A to Figure 12 B it is found that optical imagery eyeglass group given by embodiment 6 can be realized it is good at
As 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 B.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, it is sequentially wrapped according to the optical imagery eyeglass group of the application illustrative embodiments by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are convex surface, and image side surface S7 is convex surface.4th lens E4 has negative power, and object side S8 is
Concave surface, image side surface S9 are convex surface.5th lens E5 has negative power, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is convex surface, and image side surface S13 is convex surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence and exit facet of prism E1 and the second lens E2 to the 7th lens
The object side of any one lens in E7 and image side surface are aspherical.Table 20, which is shown, can be used for each aspheric in embodiment 7
The high-order coefficient of face mirror surface, 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 | -1.5046E-02 | -1.0736E-03 | -7.3118E-05 | -9.7023E-07 | -2.2575E-06 | -2.6882E-07 | -1.1303E-08 | -5.1446E-07 | 2.7955E-07 |
| S3 | -1.6477E-02 | 1.1993E-03 | -7.7597E-03 | -1.2929E-03 | 1.6061E-03 | 1.0955E-03 | 9.3564E-04 | -3.1226E-05 | -5.2114E-04 |
| S4 | -3.5220E-02 | -2.6227E-03 | 4.3039E-03 | -2.3015E-03 | 9.3297E-04 | -3.1570E-04 | -3.7379E-04 | 2.0365E-04 | -6.2915E-05 |
| S5 | 2.4295E-02 | -2.3868E-02 | 1.0582E-02 | 1.4503E-03 | 2.5393E-03 | 8.1135E-04 | 1.6300E-04 | 2.7225E-04 | -8.8276E-05 |
| S6 | -1.4664E-01 | -3.6516E-02 | -6.5069E-02 | -4.1999E-02 | 3.8488E-03 | 1.7147E-02 | -6.5114E-03 | 7.7610E-03 | -1.4245E-02 |
| S7 | -6.0291E+01 | 2.9014E-02 | 2.0517E+01 | 2.0817E+00 | -2.6920E+00 | -7.7984E-02 | -6.5598E+00 | 7.6476E+00 | 3.7108E-01 |
| S8 | -1.7436E-01 | 1.0782E-01 | -2.7169E-02 | -1.6253E-03 | 1.5918E-02 | -1.7415E-02 | 1.8186E-02 | -2.0835E-02 | 4.3240E-02 |
| S9 | 1.6103E-01 | 3.5697E-02 | -4.8036E-02 | 5.0198E-02 | -4.3601E-03 | -2.4513E-02 | 2.2807E-02 | -2.3661E-02 | 7.7787E-03 |
| S10 | 4.0356E-02 | -1.4082E-02 | 1.9648E-02 | -3.6640E-03 | 9.9058E-04 | 7.4309E-05 | -1.2107E-03 | -3.2384E-04 | -2.3008E-04 |
| S11 | -3.5626E+02 | -3.1291E+01 | 1.0493E+01 | -4.1078E+00 | 2.2364E+00 | -1.2464E+00 | 9.7564E-01 | -1.1481E+00 | -2.0040E-02 |
| S12 | 1.5098E-02 | -2.9786E-02 | 2.5792E-02 | -1.7381E-02 | -2.9391E-03 | 6.7503E-03 | -3.2626E-03 | 1.3035E-03 | 5.2975E-04 |
| S13 | -5.4885E-03 | -2.2344E-02 | -1.5797E-03 | 2.9002E-03 | 9.7150E-04 | 6.0356E-04 | 2.8930E-04 | 1.0956E-04 | 2.7040E-05 |
| S14 | -2.8901E-01 | 4.2244E-02 | 1.4614E-02 | -1.9873E-02 | 1.1997E-02 | 4.0753E-03 | -1.0125E-02 | 2.6284E-03 | 1.7778E-03 |
| S15 | 1.2638E+00 | -3.2819E-01 | 7.1595E-02 | -3.2573E-02 | -1.3795E-02 | 3.2924E-02 | -1.7555E-02 | 1.3997E-02 | 2.3276E-03 |
Table 20
Table 21 provide the effective focal length f1 to f7 of each lens in embodiment 7, optical imagery eyeglass group total effective focal length f,
Plane of incidence S1 and reflecting surface S2 on the axis on Y optical axis distance G1 and reflecting surface S2 and exit facet S3 on the axis on X-ray axis away from
Half ImgH and total effective focal length f and entrance pupil from effective pixel area diagonal line length on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 7.24 | f7(mm) | -7.48 |
| f2(mm) | -4.48 | f(mm) | 18.08 |
| f3(mm) | 15.22 | (G1+G2)(mm) | 8.43 |
| f4(mm) | -36.78 | ImgH(mm) | 5.15 |
| f5(mm) | -77.93 | f/EPD | 2.95 |
| f6(mm) | 5.45 |
Table 21
Figure 14 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 7, indicates meridianal image surface bending and the sagitta of arc
Curvature of the image.Figure 14 B shows the distortion curve of the optical imagery eyeglass group of embodiment 7, indicates corresponding to different image heights
Distort sizes values.According to Figure 14 A to Figure 14 B it is found that optical imagery eyeglass group given by embodiment 7 can be realized it is good at
As 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 B.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, it is sequentially wrapped according to the optical imagery eyeglass group of the application illustrative embodiments by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are convex surface, and image side surface S7 is convex surface.4th lens E4 has negative power, and object side S8 is
Concave surface, image side surface S9 are concave surface.5th lens E5 has positive light coke, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is concave surface, and image side surface S13 is convex surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence and exit facet of prism E1 and the second lens E2 to the 7th lens
The object side of any one lens in E7 and image side surface are aspherical.Table 23, which is shown, can be used for each aspheric in embodiment 8
The high-order coefficient of face mirror surface, 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 f7 of each lens in embodiment 8, optical imagery eyeglass group total effective focal length f,
Plane of incidence S1 and reflecting surface S2 on the axis on Y optical axis distance G1 and reflecting surface S2 and exit facet S3 on the axis on X-ray axis away from
Half ImgH and total effective focal length f and entrance pupil from effective pixel area diagonal line length on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 7.29 | f7(mm) | -7.71 |
| f2(mm) | -4.43 | f(mm) | 18.06 |
| f3(mm) | 13.14 | (G1+G2)(mm) | 8.18 |
| f4(mm) | -25.92 | ImgH(mm) | 5.15 |
| f5(mm) | 14.02 | f/EPD | 2.95 |
| f6(mm) | 9.27 |
Table 24
Figure 16 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 8, indicates meridianal image surface bending and the sagitta of arc
Curvature of the image.Figure 16 B shows the distortion curve of the optical imagery eyeglass group of embodiment 8, indicates corresponding to different image heights
Distort sizes values.According to Figure 16 A to Figure 16 B it is found that optical imagery eyeglass group given by embodiment 8 can be realized it is good at
As 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 B.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, it is sequentially wrapped according to the optical imagery eyeglass group of the application illustrative embodiments by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are convex surface, and image side surface S7 is convex surface.4th lens E4 has positive light coke, and object side S8 is
Convex surface, image side surface S9 are convex surface.5th lens E5 has negative power, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is convex surface, and image side surface S13 is concave surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence and exit facet of prism E1 and the second lens E2 to the 7th lens
The object side of any one lens in E7 and image side surface are aspherical.Table 26, which is shown, can be used for each aspheric in embodiment 9
The high-order coefficient of face mirror surface, 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 | -2.1574E-02 | -8.2574E-04 | -3.3575E-05 | 4.8573E-07 | -2.4484E-06 | 4.0378E-07 | 4.4217E-07 | -2.3619E-07 | 3.0020E-08 |
| S3 | -1.5972E-02 | 5.9029E-03 | -2.8257E-03 | -2.4345E-03 | -1.2597E-03 | -1.7000E-03 | -4.2892E-04 | -4.1846E-04 | -1.6695E-04 |
| S4 | -4.1263E-02 | -5.4321E-03 | 3.8936E-03 | -1.6577E-03 | 6.7965E-04 | -1.5416E-04 | -2.0324E-05 | 2.0138E-05 | -3.2142E-06 |
| S5 | 3.5850E-02 | -2.3634E-02 | 3.0328E-03 | 7.1113E-04 | -3.3886E-04 | 4.4669E-05 | -5.4311E-05 | 3.4848E-05 | -1.3593E-05 |
| S6 | -1.1581E-01 | -4.4224E-02 | -6.3283E-02 | -3.9999E-02 | 2.9629E-03 | 1.5812E-02 | -2.3550E-03 | 1.3003E-03 | -9.2339E-03 |
| S7 | -6.0259E+01 | 3.8223E-02 | 2.0512E+01 | 2.0854E+00 | -2.6946E+00 | -7.6321E-02 | -6.5610E+00 | 7.6486E+00 | 3.7195E-01 |
| S8 | -1.5923E-01 | 1.1115E-01 | -3.7914E-02 | 1.8130E-02 | -4.2701E-03 | -4.9605E-03 | 1.0465E-02 | -1.0966E-02 | 2.3970E-02 |
| S9 | 1.5606E-01 | 3.0198E-02 | -3.5765E-02 | 3.2562E-02 | 4.6179E-03 | -2.0651E-02 | 1.0081E-02 | -1.0692E-02 | 1.5204E-03 |
| S10 | 4.5427E-02 | -2.7439E-02 | 1.4562E-02 | -5.0708E-04 | 4.0535E-03 | -9.0336E-04 | -1.2851E-03 | -6.5459E-04 | -2.1948E-04 |
| S11 | -3.5626E+02 | -3.1288E+01 | 1.0495E+01 | -4.1064E+00 | 2.2353E+00 | -1.2457E+00 | 9.7495E-01 | -1.1488E+00 | -2.0555E-02 |
| S12 | 1.0840E-01 | -6.0892E-02 | 4.3978E-02 | -2.3003E-02 | -4.0806E-03 | 7.5438E-03 | -2.1696E-03 | -7.1212E-04 | 6.9377E-04 |
| S13 | -1.0918E-02 | -1.7856E-02 | -6.3600E-04 | -2.2870E-04 | 8.6030E-05 | 8.7053E-06 | -6.1356E-06 | 4.9171E-06 | -1.2486E-06 |
| S14 | -2.3545E-01 | 4.3380E-02 | -9.7417E-03 | 1.9590E-02 | -8.7341E-03 | 6.3369E-03 | -3.0339E-03 | -4.1610E-03 | -1.0491E-03 |
| S15 | 1.1880E-01 | -1.1422E-01 | 9.3504E-03 | -1.2060E-02 | -2.0292E-02 | 3.5173E-02 | -1.9001E-02 | 1.6586E-02 | -6.4912E-04 |
Table 26
Table 27 provide the effective focal length f1 to f7 of each lens in embodiment 9, optical imagery eyeglass group total effective focal length f,
Plane of incidence S1 and reflecting surface S2 on the axis on Y optical axis distance G1 and reflecting surface S2 and exit facet S3 on the axis on X-ray axis away from
Half ImgH and total effective focal length f and entrance pupil from effective pixel area diagonal line length on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 6.68 | f7(mm) | -12.89 |
| f2(mm) | -4.79 | f(mm) | 20.00 |
| f3(mm) | 24.18 | (G1+G2)(mm) | 8.20 |
| f4(mm) | 76.20 | ImgH(mm) | 5.15 |
| f5(mm) | -19.73 | f/EPD | 2.95 |
| f6(mm) | 7.31 |
Table 27
Figure 18 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 9, indicates meridianal image surface bending and the sagitta of arc
Curvature of the image.Figure 18 B shows the distortion curve of the optical imagery eyeglass group of embodiment 9, indicates corresponding to different image heights
Distort sizes values.According to Figure 18 A to Figure 18 B it is found that optical imagery eyeglass group given by embodiment 9 can be realized it is good at
As 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 B.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, it is sequentially wrapped according to the optical imagery eyeglass group of the application illustrative embodiments by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Positive light coke, object side S6 are convex surface, and image side surface S7 is convex surface.4th lens E4 has positive light coke, and object side S8 is
Convex surface, image side surface S9 are convex surface.5th lens E5 has negative power, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is convex surface, and image side surface S13 is concave surface.7th lens E7 has negative light focus
Degree, object side S14 are convex surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence and exit facet of prism E1 and the second lens E2 to the 7th are saturating
The object side of any one lens in mirror E7 and image side surface are aspherical.Table 29 show can be used for it is each non-in embodiment 10
The high-order coefficient of spherical mirror surface, 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 f7 of each lens in embodiment 10, optical imagery eyeglass group total effective focal length f,
Plane of incidence S1 and reflecting surface S2 on the axis on Y optical axis distance G1 and reflecting surface S2 and exit facet S3 on the axis on X-ray axis away from
Half ImgH and total effective focal length f and entrance pupil from effective pixel area diagonal line length on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 7.46 | f7(mm) | -17.98 |
| f2(mm) | -5.25 | f(mm) | 20.00 |
| f3(mm) | 19.85 | (G1+G2)(mm) | 8.02 |
| f4(mm) | 27.72 | ImgH(mm) | 5.15 |
| f5(mm) | -14.70 | f/EPD | 2.95 |
| f6(mm) | 9.31 |
Table 30
Figure 20 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 10, indicates meridianal image surface bending and arc
Swear curvature of the image.Figure 20 B shows the distortion curve of the optical imagery eyeglass group of embodiment 10, indicates corresponding to different image heights
Distortion sizes values.0A to Figure 20 B is it is found that optical imagery eyeglass group given by embodiment 10 can be realized well according to fig. 2
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 B.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, it is sequentially wrapped according to the optical imagery eyeglass group of the application illustrative embodiments by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Negative power, object side S6 are concave surface, and image side surface S7 is concave surface.4th lens E4 has positive light coke, and object side S8 is
Convex surface, image side surface S9 are convex surface.5th lens E5 has negative power, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is convex surface, and image side surface S13 is concave surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is convex surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence and exit facet of prism E1 and the second lens E2 to the 7th are saturating
The object side of any one lens in mirror E7 and image side surface are aspherical.Table 32 show can be used for it is each non-in embodiment 11
The high-order coefficient of spherical mirror surface, 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 | -3.2943E-02 | -8.2764E-04 | -2.9801E-05 | 1.7041E-06 | 1.7496E-06 | -1.0691E-06 | 2.7494E-07 | -3.7798E-08 | 2.4445E-09 |
| S3 | -1.7637E-02 | 8.0328E-03 | -6.9811E-03 | -1.0701E-03 | -7.7666E-04 | -1.9459E-03 | -4.3080E-04 | -5.1593E-04 | -1.1670E-04 |
| S4 | -7.9825E-02 | -7.4738E-03 | 3.9491E-03 | -2.6071E-03 | 1.2306E-03 | -4.2948E-04 | 1.0711E-04 | 2.1398E-05 | -1.8356E-05 |
| S5 | 3.9520E-02 | -2.2327E-02 | 3.3238E-03 | 3.4582E-05 | -1.3123E-04 | 4.9982E-05 | -2.6372E-05 | 2.7344E-05 | -1.0883E-05 |
| S6 | -1.4951E-02 | 5.3318E-03 | -9.5158E-03 | 6.1094E-03 | -2.0625E-03 | 3.8751E-04 | -4.8514E-05 | -4.2866E-06 | 8.8594E-07 |
| S7 | 1.7086E-03 | -7.6985E-04 | -3.1870E-04 | -1.0914E-04 | -3.3026E-05 | -2.9995E-05 | -4.4936E-06 | 1.3203E-06 | 1.1121E-06 |
| S8 | -1.0074E-01 | 3.0620E-03 | 1.7039E-02 | -9.4615E-03 | 2.5691E-03 | -3.7590E-04 | 7.8028E-05 | 2.1695E-05 | -1.2623E-05 |
| S9 | -1.1154E-02 | 7.5506E-03 | 1.1913E-02 | -7.1948E-03 | 1.8465E-03 | -1.3294E-04 | 2.6478E-05 | -6.2531E-06 | -3.7294E-07 |
| S10 | 4.0139E-02 | -9.5944E-03 | 4.3756E-03 | -6.1663E-03 | 2.6428E-03 | -5.6322E-04 | 4.1902E-05 | -8.5171E-06 | 4.6398E-06 |
| S11 | 7.6122E-03 | 1.7281E-03 | 1.1833E-03 | 9.3441E-04 | -8.2073E-05 | -1.2629E-04 | -6.4305E-05 | -3.1050E-05 | 4.4034E-05 |
| S12 | 1.1600E-01 | -1.4940E-02 | -3.9037E-03 | 2.2420E-03 | -1.1735E-03 | 2.6160E-04 | -4.9801E-05 | -4.7701E-05 | 1.3253E-05 |
| S13 | -2.6572E-02 | -1.8753E-02 | -3.5806E-03 | -4.8391E-04 | 5.0150E-05 | -3.6215E-05 | 2.7075E-05 | -1.2913E-05 | -3.0830E-06 |
| S14 | -5.8205E-02 | -3.1411E-03 | -3.6971E-04 | -2.2332E-05 | 1.4201E-05 | -1.3648E-05 | -1.1718E-05 | -1.4396E-05 | 4.3484E-06 |
| S15 | -8.2501E-02 | 6.2123E-04 | -2.1309E-04 | 1.6383E-05 | 1.0577E-05 | 2.0185E-06 | -2.9518E-06 | -9.3532E-06 | 1.5434E-06 |
Table 32
Table 33 provide the effective focal length f1 to f7 of each lens in embodiment 11, optical imagery eyeglass group total effective focal length f,
Plane of incidence S1 and reflecting surface S2 on the axis on Y optical axis distance G1 and reflecting surface S2 and exit facet S3 on the axis on X-ray axis away from
Half ImgH and total effective focal length f and entrance pupil from effective pixel area diagonal line length on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 9.53 | f7(mm) | -14.66 |
| f2(mm) | -8.84 | f(mm) | 19.00 |
| f3(mm) | -28.63 | (G1+G2)(mm) | 8.00 |
| f4(mm) | 15.77 | ImgH(mm) | 5.15 |
| f5(mm) | -13.80 | f/EPD | 2.95 |
| f6(mm) | 7.72 |
Table 33
Figure 22 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 11, indicates meridianal image surface bending and arc
Swear curvature of the image.Figure 22 B shows the distortion curve of the optical imagery eyeglass group of embodiment 11, indicates corresponding to different image heights
Distortion sizes values.2A to Figure 22 B is it is found that optical imagery eyeglass group given by embodiment 11 can be realized well according to fig. 2
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 B.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, it is sequentially wrapped according to the optical imagery eyeglass group of the application illustrative embodiments by object side to image side
It includes: prism E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th
Lens E7, optical filter E8 and imaging surface S18.
Prism E1 is with positive light coke and has plane of incidence S1, reflecting surface S2 and exit facet S3, wherein plane of incidence S1 is convex
Face, reflecting surface S2 are plane, and exit facet S3 is convex surface.Along the direction of Y optical axis by the light of plane of incidence S1 incidence via reflecting surface
It is emitted by exit facet S3 along the direction of X-ray axis after S2 reflection, wherein Y optical axis is substantially vertical with X-ray axis.
Second lens E2 has negative power, and object side S4 is concave surface, and image side surface S5 is concave surface.The third lens E3 has
Negative power, object side S6 are concave surface, and image side surface S7 is concave surface.4th lens E4 has positive light coke, and object side S8 is
Convex surface, image side surface S9 are convex surface.5th lens E5 has negative power, and object side S10 is convex surface, and image side surface S11 is concave surface.
6th lens E6 has positive light coke, and object side S12 is convex surface, and image side surface S13 is concave surface.7th lens E7 has negative light focus
Degree, object side S14 are concave surface, and image side surface S15 is concave surface.Optical filter E8 has object side S16 and image side surface S17.From object
The light of body sequentially passes through each surface S1 to S17 and is ultimately imaged on imaging surface S18.
Optionally, at least one of prism E1, second lens E2 to the 7th lens E7 are glass material.
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 plane of incidence and exit facet of prism E1 and the second lens E2 to the 7th are saturating
The object side of any one lens in mirror E7 and image side surface are aspherical.Table 35 show can be used for it is each non-in embodiment 12
The high-order coefficient of spherical mirror surface, 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 f7 of each lens in embodiment 12, optical imagery eyeglass group total effective focal length f,
Plane of incidence S1 and reflecting surface S2 on the axis on Y optical axis distance G1 and reflecting surface S2 and exit facet S3 on the axis on X-ray axis away from
Half ImgH and total effective focal length f and entrance pupil from effective pixel area diagonal line length on the sum of G2 G1+G2, imaging surface S18
The ratio f/EPD of diameter EPD.
| f1(mm) | 8.65 | f7(mm) | -14.65 |
| f2(mm) | -7.77 | f(mm) | 19.60 |
| f3(mm) | -37.79 | (G1+G2)(mm) | 8.06 |
| f4(mm) | 16.60 | ImgH(mm) | 5.15 |
| f5(mm) | -14.19 | f/EPD | 2.95 |
| f6(mm) | 7.88 |
Table 36
Figure 24 A shows the astigmatism curve of the optical imagery eyeglass group of embodiment 12, indicates meridianal image surface bending and arc
Swear curvature of the image.Figure 24 B shows the distortion curve of the optical imagery eyeglass group of embodiment 12, indicates corresponding to different image heights
Distortion sizes values.4A to Figure 24 B is it is found that optical imagery eyeglass group given by embodiment 12 can be realized well according to fig. 2
Image quality.
To sum up, embodiment 1 to embodiment 12 meets relationship shown in table 37 respectively.
Table 37
The application also provides a kind of photographic device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Photographic device can be the independent picture pick-up device of such as digital camera, be also possible to
The photographing module being integrated on the mobile electronic devices such as mobile phone.The photographic 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 technologies scheme 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 (15)
1. optical imagery eyeglass group characterized by comprising
Prism with positive light coke and has the plane of incidence, reflecting surface and exit facet, and the plane of incidence is convex surface, the exit facet
For convex surface, the prism is arranged so that along the direction of Y optical axis through the light of the incident prism of the plane of incidence via described
It is emitted by the exit facet along the direction of X-ray axis after reflective surface, wherein the Y optical axis and the X-ray axis substantially hang down
Directly；
The optical imagery eyeglass group also sequentially includes: with focal power from the exit facet to image side along the X-ray axis
Two lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens,
Second lens have negative power；
The object side of 5th lens is convex surface；And
The plane of incidence and the reflecting surface distance G1, the reflecting surface and the exit facet on the axis on the Y optical axis exist
Distance G2 and total effective focal length f of the optical imagery eyeglass group meet 0.3 < (G1+G2)/f < on axis on the X-ray axis
0.6。
2. optical imagery eyeglass group according to claim 1, which is characterized in that the effective focal length f1 of the prism with it is described
The effective focal length f2 of second lens meets -1.8 < f1/f2 < -1.
3. 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 f7 of focal length f and the 7th lens meets -1 < f7/f < 0.
4. optical imagery eyeglass group according to claim 3, which is characterized in that the 7th lens have negative power；
And
The effective focal length f7 of 7th lens, the radius of curvature R 13 of the object side of the 7th lens and the 7th lens
Image side surface radius of curvature R 14 meet -1.2 < f7/ (| R13 |+| R14 |) < 0.
5. optical imagery eyeglass group according to claim 1, which is characterized in that the effective focal length f3 of the third lens with
The effective focal length f4 of 4th lens meet -0.4 < (| f4 |-| f3 |)/(| f4 |+| f3 |) < 0.6.
6. optical imagery eyeglass group according to claim 1, which is characterized in that the curvature of the object side of second lens
The radius of curvature R 4 of the image side surface of radius R3 and second lens meets 0 < | (R3+R4)/(R3-R4) | < 0.8.
7. 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 12 of the image side surface of the radius of curvature R 11 and the 6th lens of the object side of focal length f, the 6th lens is full
0 < f/ of foot (| R11 |+| R12 |) < 1.4.
8. 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 9 of the object side of focal length f and the 5th lens meets 0.2 < R9/f < 1.2.
9. optical imagery eyeglass group according to claim 1, which is characterized in that the 5th lens are on the X-ray axis
Spacing distance T56 on the X-ray axis of center thickness CT5 and the 5th lens and the 6th lens meet 0.3 <
(CT5-T56)/(CT5+T56) < 0.9.
10. optical imagery eyeglass group according to claim 1, which is characterized in that second lens are on the X-ray axis
Spacing distance T12 on the X-ray axis of center thickness CT2 and the prism and second lens meet 0.1 < (CT2-
T12)/(CT2+T12) < 0.9.
11. optical imagery eyeglass group according to claim 1, which is characterized in that the 6th lens are on the X-ray axis
Center thickness CT7 on the X-ray axis of center thickness CT6 and the 7th lens meet 0 < | CT6-CT7 |/(CT6+
CT7) 0.7 <.
12. optical imagery eyeglass group according to claim 1, which is characterized in that the refractive index N3 of the third lens with
The refractive index N5 of 5th lens meets 1.65 < (N3+N5)/2 < 1.75.
13. optical imagery eyeglass group according to any one of claim 1 to 12, which is characterized in that the optical imagery
The half Semi-FOV at the maximum field of view angle of lens set meets 10 ° of 20 ° of < Semi-FOV <.
14. optical imagery eyeglass group according to any one of claim 1 to 12, which is characterized in that the prism and
Second lens at least one of the 7th lens are glass material.
15. optical imagery eyeglass group characterized by comprising
Prism with positive light coke and has the plane of incidence, reflecting surface and exit facet, and the plane of incidence is convex surface, the exit facet
For convex surface, the prism is arranged so that along the direction of Y optical axis through the light of the incident prism of the plane of incidence via described
It is emitted by the exit facet along the direction of X-ray axis after reflective surface, wherein the Y optical axis and the X-ray axis substantially hang down
Directly；
The optical imagery eyeglass group also sequentially includes: with focal power from the exit facet to image side along the X-ray axis
Two lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens,
Second lens have negative power；
The object side of 5th lens is convex surface；
7th lens have negative power；And
The effective focal length f7 of 7th lens, the radius of curvature R 13 of the object side of the 7th lens and the 7th lens
Image side surface radius of curvature R 14 meet -1.2 < f7/ (| R13 |+| R14 |) < 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530853.0A CN109358410B (en) | 2018-12-14 | 2018-12-14 | Optical imaging lens group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530853.0A CN109358410B (en) | 2018-12-14 | 2018-12-14 | Optical imaging lens group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109358410A true CN109358410A (en) | 2019-02-19 |
| CN109358410B CN109358410B (en) | 2024-02-23 |
Family
ID=65329624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811530853.0A Active CN109358410B (en) | 2018-12-14 | 2018-12-14 | Optical imaging lens group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109358410B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008232A1 (en) * | 2019-07-12 | 2021-01-21 | 浙江舜宇光学有限公司 | Optical imaging lens |
| US11112580B2 (en) | 2019-06-12 | 2021-09-07 | Largan Precision Co., Ltd. | Photographing lens assembly comprising eight lenses of +−++−−+−, +−−++−+−, +−−+−−+−, +−−−+−+− or +−−+−++− refractive powers, image capturing unit and electronic device |
| CN113640951A (en) * | 2019-03-07 | 2021-11-12 | 康达智株式会社 | Camera lens |
| US11194128B2 (en) | 2019-01-21 | 2021-12-07 | Largan Precision Co., Ltd. | Photographing optical lens assembly, image capturing apparatus and electronic device |
| US11314050B2 (en) | 2019-11-27 | 2022-04-26 | Largan Precision Co., Ltd. | Photographing optical system, image capturing unit and electronic device |
| WO2022104749A1 (en) * | 2020-11-20 | 2022-05-27 | 欧菲光集团股份有限公司 | Optical imaging system, image capture module, and electronic device |
| US11531191B2 (en) | 2020-01-20 | 2022-12-20 | Largan Precision Co., Ltd. | Photographing optical lens assembly including eight lenses of +−+−−++−, +−++−++−, ++++−++−or +−+−+−+− refractive powers, imaging apparatus and electronic device |
| CN115793190A (en) * | 2022-11-01 | 2023-03-14 | 荣耀终端有限公司 | Optical imaging system, camera module and electronic equipment |
-
2018
- 2018-12-14 CN CN201811530853.0A patent/CN109358410B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11194128B2 (en) | 2019-01-21 | 2021-12-07 | Largan Precision Co., Ltd. | Photographing optical lens assembly, image capturing apparatus and electronic device |
| CN113640951A (en) * | 2019-03-07 | 2021-11-12 | 康达智株式会社 | Camera lens |
| CN113640951B (en) * | 2019-03-07 | 2023-03-03 | 东京晨美光学电子株式会社 | Camera lens |
| US11112580B2 (en) | 2019-06-12 | 2021-09-07 | Largan Precision Co., Ltd. | Photographing lens assembly comprising eight lenses of +−++−−+−, +−−++−+−, +−−+−−+−, +−−−+−+− or +−−+−++− refractive powers, image capturing unit and electronic device |
| US11774714B2 (en) | 2019-06-12 | 2023-10-03 | Largan Precision Co., Ltd. | Photographing lens assembly, image capturing unit and electronic device including eight lenses of +−++−−+−, +−−++−+−, +−−+−−+−, +−−−+−+− or +−−+−++− refractive powers |
| WO2021008232A1 (en) * | 2019-07-12 | 2021-01-21 | 浙江舜宇光学有限公司 | Optical imaging lens |
| US11314050B2 (en) | 2019-11-27 | 2022-04-26 | Largan Precision Co., Ltd. | Photographing optical system, image capturing unit and electronic device |
| US11531191B2 (en) | 2020-01-20 | 2022-12-20 | Largan Precision Co., Ltd. | Photographing optical lens assembly including eight lenses of +−+−−++−, +−++−++−, ++++−++−or +−+−+−+− refractive powers, imaging apparatus and electronic device |
| US11953657B2 (en) | 2020-01-20 | 2024-04-09 | Largan Precision Co., Ltd. | Photographing optical lens assembly including eight lenses of +−+−−++−, +−++−++−, ++++−++− or +−+−+−+− refractive powers, imaging apparatus and electronic device |
| WO2022104749A1 (en) * | 2020-11-20 | 2022-05-27 | 欧菲光集团股份有限公司 | Optical imaging system, image capture module, and electronic device |
| CN115793190A (en) * | 2022-11-01 | 2023-03-14 | 荣耀终端有限公司 | Optical imaging system, camera module and electronic equipment |
| CN115793190B (en) * | 2022-11-01 | 2023-10-20 | 荣耀终端有限公司 | Optical imaging system, camera module and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109358410B (en) | 2024-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108535843B (en) | Optical imaging system | |
| CN108181701B (en) | Optical imagery eyeglass group | |
| CN109343205A (en) | Optical imaging lens | |
| CN108681040A (en) | Optical imagery eyeglass group | |
| CN109358410A (en) | Optical imagery eyeglass group | |
| CN110068915A (en) | Optical imaging system | |
| CN108594407A (en) | Pick-up lens | |
| CN108445610A (en) | Optical imagery eyeglass group | |
| CN109581631A (en) | Imaging lens | |
| CN108873252A (en) | Optical imaging lens | |
| CN109358415A (en) | Optical imaging lens | |
| CN109116520A (en) | Optical imaging lens | |
| CN209102995U (en) | Optical imaging lens group | |
| CN208521055U (en) | Pick-up lens | |
| CN109298511A (en) | Optical imaging system | |
| CN209148942U (en) | Optical imaging lens | |
| CN109407278A (en) | Imaging lens | |
| CN109254385A (en) | Optical imaging lens | |
| CN110412748A (en) | Optical imaging system | |
| CN209471294U (en) | Imaging lens | |
| CN109298514A (en) | Optical imaging lens group | |
| CN109491055A (en) | Optical imaging lens | |
| CN208334755U (en) | Optical imaging system | |
| CN110208925A (en) | Optical imaging lens | |
| CN109725407A (en) | Optical imaging lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |