CN207924237U - Camera lens and imaging device - Google Patents
Camera lens and imaging device Download PDFInfo
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- CN207924237U CN207924237U CN201820358743.XU CN201820358743U CN207924237U CN 207924237 U CN207924237 U CN 207924237U CN 201820358743 U CN201820358743 U CN 201820358743U CN 207924237 U CN207924237 U CN 207924237U
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Abstract
The utility model discloses a kind of camera lens and imaging devices.Camera lens includes the first lens, the second lens, the third lens, the 4th lens and the 5th lens successively by object side to image side.First lens have positive diopter and object side is convex surface.It is convex surface that second lens, which have negative diopter and object side, and image side surface is concave surface.The third lens have negative diopter and image side surface is concave surface.It is convex surface that 4th lens, which have positive diopter and object side, and image side surface is convex surface.It is concave surface that 5th lens, which have negative diopter and object side, and image side surface is convex surface.Camera lens meets following condition formulae：0.75≤TTL/F≤1.25；Wherein, TTL is the overall length of camera lens, and F is the effective focal length of camera lens.In the camera lens and imaging device of the utility model embodiment, camera lens can provide compared with Narrow Field Of Vision while having longer effective focal length, form larger target image, and good image quality is obtained in the case where camera lens minimizes, meets user's greater demand.
Description
Technical field
The utility model is related to optical image technology, more particularly to a kind of camera lens and imaging device.
Background technology
In the imaging device of the relevant technologies, high-resolution, the demand of small size performance are increasingly promoted, small-sized imaging dress
Set the camera lens needed using the small imaging sensor and slimline of Pixel Dimensions.In common imaging device, camera lens it is effective
Focal length is short, can achieve the effect that wide-angle, at this time the effective focal length of camera lens will be less than camera lens total length, present the visual field it is larger and
The smaller phenomenon of target image cannot be satisfied the more demands of user.
Utility model content
The utility model embodiment provides a kind of camera lens and imaging device.
A kind of camera lens of the utility model embodiment includes successively by object side to image side：
First lens, it is convex surface to have positive diopter and object side；
Second lens, it is convex surface to have negative diopter and object side, and image side surface is concave surface；
The third lens, it is concave surface to have negative diopter and image side surface；
4th lens, it is convex surface to have positive diopter and object side, and image side surface is convex surface；With
5th lens, it is concave surface to have negative diopter and object side, and image side surface is convex surface；
The camera lens meets following condition formulae：
0.75≤TTL/F≤1.25；
Wherein, TTL is the overall length of the camera lens, and F is the effective focal length of the camera lens.
First lens of the utility model embodiment have positive diopter, are capable of providing the part dioptric needed for camera lens
Degree, can converge to camera lens by light, contribute to the total length for shortening entire camera lens, to promote the miniaturization of camera lens.Second thoroughly
Mirror has negative diopter, and the aberration that can be effectively generated to the first lens does the aberration for making corrections and being conducive to correct camera lens.Third
Lens have negative diopter, have light diffusion.4th lens have positive diopter, can further correct entrance
The aberration of the light of the different wave length of camera lens improves image quality.5th lens have negative diopter, for sending out light
It dissipates.In this way, TTL/F is the ratio of dolly-out,ing dolly-back of camera lens, the camera lens for meeting above-mentioned condition can be with while having longer effective focal length
It provides compared with Narrow Field Of Vision, form larger target image, good image quality is obtained in the case where camera lens minimizes.
In some embodiments, the camera lens includes aperture diaphragm, and the aperture diaphragm is arranged in first lens
Object side, between the first lens and second lens or image side of second lens.In this way, passing through aperture diaphragm
Setting can provide required light and corresponding thang-kng amount to camera lens.
In some embodiments, the aperture diaphragm is arranged in the object side of first lens, the third lens
Object side be concave surface or convex surface.In this way, aperture diaphragm is arranged can provide needs in the object side of the first lens to camera lens
The object side of light and corresponding thang-kng amount, the third lens is the aspherical of concave or convex, and light diffusion may be implemented.
In some embodiments, the aperture diaphragm is arranged in the object side of second lens, the third lens
Object side be convex surface.In this way, aperture diaphragm be arranged the object side of the second lens can to camera lens provide need light and
Corresponding thang-kng amount, the object sides of the third lens are convex aspherical, and light diffusion equally may be implemented.
In some embodiments, the camera lens meets following condition formulae：2≤FNO≤10；Wherein, FNO is the camera lens
Coke ratio.In this way, when coke ratio meets above-mentioned condition, while small size design may be implemented in camera lens so that lens imaging has
Good resolution ratio.
In some embodiments, the camera lens meets following condition formulae：f5/F≤-0.8；Wherein, f5 is the described 5th
The focal length of lens.In this way, the 5th lens meet the above conditions so that camera lens can be realized by smaller size of 5th lens
Longer effective focal length, and can achieve the effect that provide compared with Narrow Field Of Vision, form larger target image, meet the more need of user
It asks.Meanwhile being conducive to maintain the miniaturization of camera lens, on the electronic product suitable for light and portable formula.
In some embodiments, the camera lens meets following condition formulae：0.15≤f1/F≤0.75；Wherein, f1 is institute
State the focal length of the first lens.In this way, when first focal length of lens meets above-mentioned condition, is conducive to the first lens and light is converged into mirror
Head improves the clarity of image plane imaging.
In some embodiments, the camera lens meets following condition formulae：- 1.5≤f2/F ＜ 0；Wherein, f2 is described the
The focal length of two lens.In this way, when second focal length of lens meets above-mentioned condition, the second lens can effectively make corrections the production of the first lens
Raw aberration and the aberration for correcting camera lens are conducive to improve image quality.
In some embodiments, the camera lens meets following condition formulae：0.1≤f4/F≤1.0；Wherein, f4 is described
The focal length of 4th lens.In this way, when the 4th focal length of lens meets above-mentioned condition, the 4th lens can be corrected further into mirror
The aberration of the light of the different wave length of head is conducive to improve image quality.
The a kind of imaging device of the utility model embodiment includes the camera lens of any of the above-described embodiment.
The camera lens of the utility model embodiment can be applied to the imaging device of the utility model embodiment, wherein
Longer effective focal length may be implemented in camera lens, and can achieve the effect that provide compared with Narrow Field Of Vision, form larger target image, can be with
Meet the more demands of user.Meanwhile camera lens miniaturization is conducive to the space setting of optimal imaging device.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment
It will be apparent and be readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram of one camera lens of the utility model embodiment；
Fig. 2A -2J are the aberration diagrams of the camera lens of the utility model embodiment one；
Fig. 3 is the structural schematic diagram of the camera lens of the utility model embodiment two；
Fig. 4 A-4J are the aberration diagrams of the camera lens of the utility model embodiment two；
Fig. 5 is the structural schematic diagram of the camera lens of the utility model embodiment three；
Fig. 6 A-6J are the aberration diagrams of the camera lens of the utility model embodiment three；
Fig. 7 is the structural schematic diagram of the camera lens of the utility model embodiment four；
Fig. 8 A-8J are the aberration diagrams of the camera lens of the utility model embodiment four；With
Fig. 9 is the structural schematic diagram of the imaging device of utility model embodiment.
Main element symbol description：
Imaging device 100, camera lens 10, the first lens 11, the second lens 12, the third lens 13, the 4th lens the 14, the 5th are thoroughly
Mirror 15, aperture diaphragm 16, cutoff filter 17, image plane 18, imaging sensor 20；
The picture of the object side S1 of first lens, the image side surface S2 of the first lens, the object side S3 of the second lens, the second lens
The picture of side S4, the object side S5 of the third lens, the image side surface S6 of the third lens, the object side S7 of the 4th lens, the 4th lens
The object side S11, infrared of side S8, the object side S9 of the 5th lens, the image side surface S10 of the 5th lens, cutoff filter
Image side surface S12, the imaging plane S13 of edge filter.
Specific implementation mode
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as to this practicality
Novel limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Described convenient for description the utility model and simplifying, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for description purposes only, and is not understood to indicate or imply relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example for the various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
Referring to Fig. 1, a kind of camera lens 10 of the utility model embodiment includes the first lens successively by object side to image side
11, the second lens 12, the third lens 13, the 4th lens 14 and the 5th lens 15.First lens 11 have positive diopter and object
Side S1 is convex surface.Second lens 12 have negative diopter and object side S3 is convex surface, and image side surface S4 is concave surface.The third lens
13 have negative diopter and image side surface S6 is concave surface.4th lens 14 have positive diopter and object side S7 is convex surface, as
Side S8 is convex surface.5th lens 15 have negative diopter and object side S9 is concave surface, and image side surface S10 is convex surface.Camera lens 10
Meet following condition formulae：0.75≤TTL/F≤1.25；Wherein, TTL (Total Track Length) is the overall length of camera lens 10, F
For the effective focal length of camera lens 10.
First lens 11 of the utility model embodiment have positive diopter, are capable of providing the part needed for camera lens 10
Light can be converged to camera lens 10 by diopter, contribute to the total length for shortening entire camera lens 10, to promote the small-sized of camera lens 10
Change.Second lens 12 have negative diopter, and the aberration that can be effectively generated to the first lens 11, which is done, to be maked corrections and be conducive to correct mirror
First 10 aberration.The third lens 13 have negative diopter, have light diffusion.4th lens 14 have positive dioptric
Degree can further correct the aberration of the light of the different wave length into camera lens 10, improve image quality.5th lens 15 have
Negative diopter is used for divergence of beam.Wherein, the overall length of camera lens 10 and the ratio (TTL/F) of focal length are to take the photograph far ratio
(telephoto ratio), the camera lens 10 for meeting above-mentioned condition can provide relatively narrow regard while having longer effective focal length
Wild, the larger target image of formation, good image quality is obtained in the case where camera lens 10 minimizes.
Specifically, the object side of the 4th lens is convex surface, image side surface is convex surface, i.e., the 4th lens meet following condition formulae：
R7/R8 ＜ 0, wherein R7 is the radius of curvature of the object side of the 4th lens, and R8 is the radius of curvature of the 4th lens image side surface.
In some embodiments, camera lens 10 meets following condition formulae：f5/F≤-0.8；Wherein, f5 is the 5th lens 15
Focal length.
In this way, the 5th lens 15 meet the above conditions so that camera lens 10 can pass through smaller size of 5th lens 15
It realizes longer effective focal length, and can achieve the effect that provide compared with Narrow Field Of Vision, form larger target image, it is more to meet user
Demand.Meanwhile being conducive to maintain the miniaturization of camera lens 10, on the electronic product suitable for light and portable formula.
In some embodiments, camera lens 10 meets following condition formulae：1.1≤TTL/IMA≤3.1；Wherein, IMA is figure
As the effective pixel area diagonal distance of sensor.
In this way, being conducive to maintain the miniaturization of camera lens 10, on the electronic product suitable for light and portable formula.
In some embodiments, each lens can be molded of plastic material.In some embodiments, each lens
It can be made of the plastics of injection molding.Certainly, in other embodiments, each lens can use other transparent materials.
In some embodiments, different lens can by with different optical characteristics (such as different Abbe numbers and/or
Different refractive index) material constitute.In this way, camera lens 10 can be coordinated by the lens with different optical characteristics realizes light
Focus, correct aberration etc., improve the quality of acquisition image.
In some embodiments, the second lens 12, the third lens 13, the 4th lens 14 and the 5th lens 15 include at least
One is aspherical.
Wherein, the asphericity coefficient of each lens is determined according to following condition formulae：
Wherein, Z is the fore-and-aft distance of aspherical any point and surface vertices, and r is aspherical any point to optical axis
Distance, c are vertex curvature (inverses of radius of curvature), and K is the constant of the cone, and A, B, C, D, E, F, G, H, I ... are asphericity coefficients.
In some embodiments, camera lens 10 includes aperture diaphragm 16.The object in the first lens 11 is arranged in aperture diaphragm 16
Between side, the first lens 11 and the second lens 12 or image side of the second lens 12.
In this way, by the setting of aperture diaphragm 16, required light and corresponding thang-kng amount can be provided to camera lens 10.
Specifically, aperture diaphragm 16 is arranged in the object side of the first lens 11, including aperture diaphragm 16 and the first lens 11 interval or aperture
The object side S1 in the first lens 11 is arranged in diaphragm 16.Aperture diaphragm 16 is arranged between the first lens 11 and the second lens 12,
The image side surface S2 in the first lens 11 is set including aperture diaphragm 16, between aperture diaphragm 16 and the first lens 11, the second lens 12
Every setting or aperture diaphragm 16, the object side S3 in the second lens 12 is set.The picture in the second lens 12 is arranged in aperture diaphragm 16
Side, including the setting of aperture diaphragm 16 is in 12 image side surface S4 of the second lens or the setting of aperture diaphragm 16 and the second lens 12 interval.
Certainly, in other embodiments, aperture diaphragm 16 can be arranged between other lenses.
In some embodiments, aperture diaphragm 16 is adjustable.In this way, camera lens 10 can change thang-kng amount in a certain range
Size improve image quality to adjust the image that the acquisition of suitable coke ratio needs.
It please refers to Fig.1 and Fig. 3, in some embodiments, the object side S1 in the first lens 11 is arranged in aperture diaphragm 16.
The object side S5 of the third lens 13 is concave surface or convex surface.
In this way, aperture diaphragm 16 be arranged the first lens 11 object side S1 can give camera lens 10 provide need light and
The object side S5 of corresponding thang-kng amount, the third lens 13 can be the aspherical of concave or convex, and light diffusion may be implemented.
Fig. 5 and Fig. 7 are please referred to, in some embodiments, the object side S3 in the second lens 12 is arranged in aperture diaphragm 16.
The object side S5 of the third lens 13 is convex surface.
In this way, aperture diaphragm 16 be arranged the second lens 12 object side S3 can give camera lens 10 provide need light and
Corresponding thang-kng amount, the object side S5 of the third lens 13 can be convex aspherical, and light diffusion equally may be implemented.
In some embodiments, camera lens 10 meets following condition formulae：2 ＜ FNO ＜ 10；Wherein, FNO is the coke of camera lens 10
Than.
It is appreciated that coke ratio is the ratio of the effective focal length (F) and effective aperture (D) of camera lens 10, i.e. coke ratio is determined by F/D
Justice.Wherein, the light exposure of camera lens 10 and effective aperture is square directly proportional.In this way, when coke ratio meets above-mentioned condition, camera lens 10 can
While to realize small size design so that the imaging of camera lens 10 has good resolution ratio.
In some embodiments, camera lens 10 can change the size of 10 effective aperture of camera lens by adjustment aperture diaphragm 16
To adjust coke ratio size.
In some embodiments, camera lens 10 meets following condition formulae：0.15≤f1/F≤0.75；Wherein, f1 first
The focal length of lens 11.
In this way, when 11 focal length of the first lens meets above-mentioned condition, is conducive to the first lens 11 and light is converged into camera lens 10,
Improve the clarity of image plane imaging.
In some embodiments, camera lens 10 meets following condition formulae：- 1.5≤f2/F ＜ 0；Wherein, f2 is the second lens
12 focal length.
In this way, when 12 focal length of the second lens meets above-mentioned condition, the second lens 12 can effectively make corrections the first lens 11
The aberration of generation and the aberration for correcting camera lens 10 are conducive to improve image quality.
In some embodiments, camera lens 10 meets following condition formulae：0.1≤f4/F≤1.0；Wherein, f4 is the 4th saturating
The focal length of mirror 14.
In this way, when 14 focal length of the 4th lens meets above-mentioned condition, the 4th lens 14 can be corrected further into camera lens
The aberration of the light of 10 different wave length is conducive to improve image quality.
In some embodiments, field angle (Field Of View, FOV) ranging from 20 °≤FOV of camera lens 10≤
30°.Preferably, field angle is 25 °.Certainly, it also may make appointing between the field angle of camera lens 10 is 20 °, 30 ° or 20 ° -30 °
Meaning numerical value.
In some embodiments, camera lens 10 includes the cutoff filter 17 positioned at 15 image side of the 5th lens.
In this way, cutoff filter 17 can filter out part infrared light and visible light can pass through, reduce it is red
The interference of outer light so that the image information reduction degree higher that imaging sensor 20 acquires, more close to the visual effect of human eye.
In one example, cutoff filter 17 can be made of glass material.Certainly, in other embodiments, infrared cutoff is filtered
Mating plate 17 can be made using other materials.
Referring to Fig. 9, a kind of imaging device 100 of the utility model embodiment includes the mirror of any of the above-described embodiment
First 10.
The camera lens 10 of the utility model embodiment can be applied to the imaging device 100 of the utility model embodiment,
Wherein, longer effective focal length may be implemented in camera lens 10, and can reach the effect provided compared with Narrow Field Of Vision, the larger target image of formation
Fruit can meet the more demands of user.Meanwhile the miniaturization of camera lens 10 can be arranged with the space of optimal imaging device 100, favorably
In the lightening design of imaging device 100.
In some embodiments, imaging device 100 includes the imaging sensor 20 being arranged in 10 image side of camera lens.Camera lens 10
Image plane can be imaging sensor 20 sensitized lithography.
In some embodiments, imaging sensor 20 can be according to any one in various types of photoreceptor technologies
One or more integrated circuits (IC) technology chip that kind is realized.Specifically, in some embodiments, imaging sensor 20 can be with
It is charge coupling device (Charge CoupledDevice, CCD) sensor and complementary metal oxide semiconductor
(Complementary Metal Oxide Semiconductor, CMOS) sensor.
In some embodiments, imaging device 100 can be applied to dual camera system (not shown), dual camera system
It may include the camera lens 10 and wide-angle lens (not shown) of the utility model.
It is appreciated that wide-angle lens has larger field angle and shorter effective focal length, the target image of acquisition smaller.
In this way, user can use wide-angle according to the different selections of usage scenario using the camera lens acquisition image of the utility model or selection
Camera lens acquires image, meets user's greater demand.Further, imaging device 100 can be adopted using two kinds of camera lenses simultaneously simultaneously
The image for collecting same scene, is handled by the image acquired to different camera lenses, can achieve the effect that optical zoom.
The camera lens 10 of the utility model will coordinate appended attached drawing to be explained by following embodiment.
Embodiment one：
It please refers to Fig.1 and meets the parameter designing of table 1A-1C with Fig. 2A -2J, the camera lens 10 of embodiment one, can effectively correct light
Learn aberration.Fig. 2A -2J illustrate the aberration curve of the light of three kinds of wavelength (0.436mm, 0.546mm, 0.656mm).Fig. 2A -2B
Respectively light is in tangential direction and the sagitta of arc direction that the maximum image height of imaging plane (imagine plane, IMA) is 2.6515mm
Aberration curve, Fig. 2 C-2D are respectively light in the tangential direction that imaging plane maximum image height is 1.9886mm and sagitta of arc direction
Aberration curve, Fig. 2 E-2F are respectively light in the tangential direction that imaging plane maximum image height is 1.32580mm and sagitta of arc direction
Aberration curve, Fig. 2 G-2H are respectively light in the tangential direction that imaging plane maximum image height is 0.6629mm and sagitta of arc direction
Aberration curve, Fig. 2 I-2J are respectively light in the tangential direction that imaging plane maximum image height is 0.0000mm and sagitta of arc direction
Aberration curve.Light is better in the optical property of the smaller then camera lens 10 of alternate position spike of imaging plane, what embodiment one provided
The light of camera lens 10 is controlled in the alternate position spike of imaging plane within 0.01mm.Wherein, f3 is the focal length of the third lens 13.Table 1A
| f1(mm) | 5.354 | F(mm) | 11.600 |
| f2(mm) | -7.668 | FNO | 2.62 |
| f3(mm) | -6.427 | FOV(deg) | 25.3 |
| f4(mm) | 4.983 | ||
| f5(mm) | -10.914 |
Table 1B
Table 1C
Embodiment two：
Fig. 3 and Fig. 4 A-4J are please referred to, the camera lens 10 of embodiment two meets the parameter designing of table 2A-2C, can effectively correct light
Learn aberration.Fig. 4 A-4J illustrate the aberration curve of the light of three kinds of wavelength (0.436mm, 0.546mm, 0.656mm).Fig. 4 A-4B
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 2.6515mm, Fig. 4 C-4D
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 1.9886mm, Fig. 4 E-4F
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 1.32580mm, Fig. 4 G-4H
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 0.6629mm, Fig. 4 I-4J
Respectively aberration curve of the light in the tangential direction and sagitta of arc direction that imaging plane maximum image height is 0.0000mm.Light at
The optical property of the smaller then camera lens 10 of alternate position spike of image plane is better, and the light for the camera lens 10 that embodiment two provides is flat in imaging
The alternate position spike in face controls within 0.008mm.Wherein, f3 is the focal length of the third lens 13.
Table 2A
| f1(mm) | 5.478 | F(mm) | 11.790 |
| f2(mm) | -8.715 | FNO | 2.66 |
| f3(mm) | -8.108 | FOV(deg) | 25.0 |
| f4(mm) | 6.124 | ||
| f5(mm) | -10.791 |
Table 2B
Table 2C
Embodiment three：
Fig. 5 and Fig. 6 A-6J are please referred to, the camera lens 10 of embodiment three meets the parameter designing of table 3A-3C, can effectively correct light
Learn aberration.Fig. 6 A-6J illustrate the aberration curve of the light of three kinds of wavelength (0.436mm, 0.546mm, 0.656mm).Fig. 6 A-6B
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 2.6515mm, Fig. 6 C-6D
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 1.9886mm, Fig. 6 E-6F
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 1.32580mm, Fig. 6 G-6H
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 0.6629mm, Fig. 6 I-6J
Respectively aberration curve of the light in the tangential direction and sagitta of arc direction that imaging plane maximum image height is 0.0000mm.Light at
The optical property of the smaller then camera lens of alternate position spike of image plane is better, and the light for the camera lens 10 that embodiment three provides is in imaging plane
Alternate position spike control within 0.016mm.Wherein, f3 is the focal length of the third lens 13.
Table 3A
| f1(mm) | 5.319 | F(mm) | 11.790 |
| f2(mm) | -4.883 | FNO | 2.51 |
| f3(mm) | -15.726 | FOV(deg) | 25.0 |
| f4(mm) | 6.213 | ||
| f5(mm) | -14.577 |
Table 3B
Table 3C
Example IV：
Fig. 7 and Fig. 8 A-8J are please referred to, the camera lens 10 of example IV meets the parameter designing of table 4A-4C, can effectively correct light
Learn aberration.Fig. 8 A-8J illustrate the aberration curve of the light of three kinds of wavelength (0.436mm, 0.546mm, 0.656mm).Fig. 8 A-8B
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 2.6515mm, Fig. 8 C-8D
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 1.9886mm, Fig. 8 E-8F
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 1.32580mm, Fig. 8 G-8H
Respectively light is in the aberration curve for the tangential direction and sagitta of arc direction that imaging plane maximum image height is 0.6629mm, Fig. 8 I-8J
Respectively aberration curve of the light in the tangential direction and sagitta of arc direction that imaging plane maximum image height is 0.0000mm.Light at
The optical property of the smaller then camera lens 10 of alternate position spike of image plane is better, and the light for the camera lens 10 that example IV provides is flat in imaging
The alternate position spike in face controls within 0.01mm.Wherein, f3 is the focal length of the third lens 13.
Table 4A
| f1(mm) | 5.554 | F(mm) | 11.790 |
| f2(mm) | -7.021 | FNO | 2.57 |
| f3(mm) | -11.244 | FOV(deg) | 25.0 |
| f4(mm) | 7.696 | ||
| f5(mm) | -17.310 |
Table 4B
Table 4C
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific
Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
While there has been shown and described that the embodiment of the utility model, those skilled in the art can manage
Solution：A variety of to the progress of these embodiments can change in the case where not departing from the principles of the present invention and objective, change,
It replaces and modification, the scope of the utility model is limited by claim and its equivalent.
Claims (10)
1. a kind of camera lens, which is characterized in that include successively by object side to image side：
First lens, it is convex surface to have positive diopter and object side；
Second lens, it is convex surface to have negative diopter and object side, and image side surface is concave surface；
The third lens, it is concave surface to have negative diopter and image side surface；
4th lens, it is convex surface to have positive diopter and object side, and image side surface is convex surface；With
5th lens, it is concave surface to have negative diopter and object side, and image side surface is convex surface；
The camera lens meets following condition formulae：
0.75≤TTL/F≤1.25；
Wherein, TTL is the overall length of the camera lens, and F is the effective focal length of the camera lens.
2. camera lens as described in claim 1, which is characterized in that the camera lens includes aperture diaphragm, the aperture diaphragm setting
Between the object side of first lens, first lens and second lens or the image side of second lens.
3. camera lens as claimed in claim 2, which is characterized in that the aperture diaphragm is arranged in the object side of first lens
The object side in face, the third lens is concave surface or convex surface.
4. camera lens as claimed in claim 2, which is characterized in that the aperture diaphragm is arranged in the object side of second lens
The object side in face, the third lens is convex surface.
5. camera lens as described in claim 1, which is characterized in that the camera lens meets following condition formulae：
2 ＜ FNO ＜ 10；
Wherein, FNO is the coke ratio of the camera lens.
6. camera lens as described in claim 1, which is characterized in that the camera lens meets following condition formulae：
f5/F≤-0.8；
Wherein, f5 is the focal length of the 5th lens.
7. camera lens as described in claim 1, which is characterized in that the camera lens meets following condition formulae：
0.15≤f1/F≤0.75；
Wherein, f1 is the focal length of first lens.
8. camera lens as described in claim 1, which is characterized in that the camera lens meets following condition formulae：
- 1.5≤f2/F ＜ 0；
Wherein, f2 is the focal length of second lens.
9. camera lens as described in claim 1, which is characterized in that the camera lens meets following condition formulae：
0.1≤f4/F≤1.0；
Wherein, f4 is the focal length of the 4th lens.
10. a kind of imaging device, which is characterized in that including claim 1-9 any one of them camera lenses.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820358743.XU CN207924237U (en) | 2018-03-15 | 2018-03-15 | Camera lens and imaging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820358743.XU CN207924237U (en) | 2018-03-15 | 2018-03-15 | Camera lens and imaging device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152936A (en) * | 2018-03-15 | 2018-06-12 | 欧菲影像技术（广州）有限公司 | Camera lens and imaging device |
| JP7409811B2 (en) | 2019-09-19 | 2024-01-09 | 東京晨美光学電子株式会社 | imaging lens |
-
2018
- 2018-03-15 CN CN201820358743.XU patent/CN207924237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152936A (en) * | 2018-03-15 | 2018-06-12 | 欧菲影像技术（广州）有限公司 | Camera lens and imaging device |
| JP7409811B2 (en) | 2019-09-19 | 2024-01-09 | 東京晨美光学電子株式会社 | imaging lens |
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Address after: 510663 No.7, Shenzhou Road, Science City, Guangzhou hi tech Industrial Development Zone, Guangdong Province Patentee after: Guangzhou delta Imaging Technology Co.,Ltd. Address before: 510663 No.7, Shenzhou Road, Science City, Guangzhou hi tech Industrial Development Zone, Guangdong Province Patentee before: O-FILM IMAGE TECHNOLOGY (GUANGZHOU) Co.,Ltd. |
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Effective date of registration: 20210622 Address after: 330096 no.1404, Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi Jinghao optics Co.,Ltd. Address before: 510663 No.7, Shenzhou Road, Science City, Guangzhou hi tech Industrial Development Zone, Guangdong Province Patentee before: Guangzhou delta Imaging Technology Co.,Ltd. |