CN106324815B - A kind of zoom-lens system and camera lens - Google Patents
A kind of zoom-lens system and camera lens Download PDFInfo
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- CN106324815B CN106324815B CN201510367784.6A CN201510367784A CN106324815B CN 106324815 B CN106324815 B CN 106324815B CN 201510367784 A CN201510367784 A CN 201510367784A CN 106324815 B CN106324815 B CN 106324815B
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Abstract
The present invention relates to optical instrument field, in particular to a kind of zoom-lens system and camera lens are required to solve the problems, such as that the prior art is unable to satisfy high definition picture and shows.The embodiment of the invention provides a kind of zoom-lens system and camera lenses, from the object side to image side successively include: the first lens group, aperture diaphragm and the second lens group；Wherein the second lens group includes the first lens of positive light coke, the second lens of positive light coke, the first subgroup of negative power, the third lens of negative power, 4th lens of positive light coke, the second subgroup of negative power, the 5th lens of positive light coke and the 6th lens of negative power；First subgroup includes at least one lens；Second subgroup includes at least one lens；5th lens and the 6th lens are glued together.The zoom-lens system can effectively reduce dispersion, and glued structure makes that whole system color difference is smaller, stable structure, be conducive to imaging.
Description
Technical field
The present invention relates to optical instrument field, in particular to a kind of zoom-lens system and camera lens.
Background technique
As the development of technology is presented in high definition picture, 1080P high definition picture can no longer meet the demand of people, 4K technology
It comes into being；With in recent years, data transmission technology, data storage technology, image processing techniques and high definition television show skill
The technological innovation and breakthrough of art so that realizing that the ultra high-definition picture presentation of 4K resolution ratio has become possibility, and will become the present
Development trend afterwards；This requires camera lenses (lens system) higher resolution ratio, to meet the imaging requirements of 4K video camera.
With the improvement of lens processing technology and the raising of optical material performance, zoom-lens system has obtained considerable hair
Exhibition, but existing zoom-lens system at present, it is seen that it is (big to be only able to satisfy 5,000,000 pixels or less for level of resolution under optical mode
It is most all below 2,000,000 pixels) video camera demand；And night is switched under infrared mode, confocal poor performance, practical
Imaging definition is more worse than visible light effect.The main reason for causing this phenomenon is: existing zoom-lens system is using saturating
The planform of mirror is relatively simple, and lens of different shapes cannot combine well, and the performance of optical glass material more falls behind,
Parameters cannot match well with image-forming condition so that the spherical aberration of lens system, coma, astigmatism, the curvature of field, ratio chromatism,
Chromatism of position is not corrected well, to cannot achieve higher optical property.
In conclusion existing zoom-lens system and camera lens there are biggish aberration, imaging resolution are lower, are unable to satisfy
Present high definition picture, which is shown, to be required.
Summary of the invention
The present invention provides a kind of zoom-lens system and camera lens, and being unable to satisfy high definition picture solving the prior art shows
It is required that the problem of.
The embodiment of the invention provides a kind of zoom-lens systems, from the object side to image side successively include: to have along optical axis
First lens group of negative power, aperture diaphragm and the second lens group with positive light coke；
Second lens group successively includes: the first lens with positive light coke along optical axis from the object side to image side, tool
There are the second lens of positive light coke, the first subgroup with negative power, the third lens with negative power have positive light focus
4th lens of degree, the second subgroup with negative power, the 5th lens with positive light coke and the with negative power
Six lens；
First subgroup includes at least one lens；
Second subgroup includes at least one lens；
5th lens and the 6th lens are glued together.
Due to selecting the lens of two positive light cokes that can have near object side in the second lens group of the embodiment of the present invention
Effect restrains light, increases light intensity；Two lens near image side are glued together, so that entire zoom is saturating
Mirror system color difference is smaller, and system structure is stablized, to improve image quality.
Optionally, first lens with positive light coke are the first biconvex lens, and first biconvex lens
Refractive index be not less than given threshold.
Since the main function of the first biconvex lens of the embodiment of the present invention is carried out to from the light of aperture diaphragm incidence
Convergence, main to correct system coma, astigmatism, refractive index is higher while matching reasonable Abbe number, and acquired effect is better,
The refractive index of the first biconvex lens is limited not less than given threshold 1.7, the convergence to incident light can be effectively ensured.
Optionally, second lens with positive light coke are the second biconvex lens, second biconvex lens and institute
State that the first subgroup is glued together, and the Abbe number of second biconvex lens is greater than 80.
Since the main function of the second biconvex lens of the embodiment of the present invention is carried out to from the light of aperture diaphragm incidence
Convergence, while the Abbe number for limiting the second biconvex lens should be greater than 80, can effectively reduce dispersion, improve image quality, the
Two biconvex lens and the first subgroup are glued together, can effectively reduce color difference, improve Iimaging Stability.
Optionally, first subgroup successively includes: the first concave-concave that focal power is negative along optical axis from the object side to image side
The third biconvex lens that lens and focal power are positive；
First biconcave lens and third biconvex lens are glued together.
Since the first biconcave lens and third biconvex lens of the embodiment of the present invention are glued together, glued structure can be with
System color difference is effectively eliminated, improves image quality, and lens system structure can be made more stable.
Optionally, the third lens with negative power are the second biconcave lens；
The 4th lens with positive light coke are the 4th biconvex lens；
Second biconcave lens and the 4th biconvex lens are glued together.
Due in the second lens group of the embodiment of the present invention include the second biconcave lens and the 4th biconvex lens, can be effective
The spherical aberration of ground balance system, coma, astigmatism, to improve image quality.
Optionally, the Abbe number of second biconcave lens is greater than 65, and refractive index is less than 1.55.
Since the Abbe number of the second biconcave lens of the embodiment of the present invention is greater than 65, refractive index is less than 1.55, Ke Yiyou
Effect guarantees that, when eyeglass deviates optical axis, image quality variation is little, to improve the stability of lens system.
Optionally, second subgroup successively includes: the first bent moon that focal power is positive along optical axis from the object side to image side
The second meniscus lens that lens and focal power are negative；
First meniscus lens and second meniscus lens are glued together；
Wherein, the convex surface of first meniscus lens and second meniscus lens is towards object side.
Due to including two meniscus lens in the second subgroup of the embodiment of the present invention, meniscus lens is convex surface on one side, on one side
For the characteristic of concave surface, spherical aberration can be reduced to the maximum extent, to improve image quality, two meniscus lens are glued together,
Glued structure can effectively eliminate system color difference, improve image quality, and lens system structure can be made more stable.
Optionally, the 5th lens and the 6th lens are respectively the 5th biconvex lens and third biconcave lens；
The Abbe number of 5th biconvex lens is greater than 80；
The refractive index of 5th biconvex lens is less than the refractive index of the third biconcave lens, the 5th biconvex lens
Abbe number be greater than the third biconcave lens Abbe number.
Since the Abbe number that the embodiment of the present invention limits the 5th biconvex lens is greater than 80, dispersion can be effectively reduced, the
Five biconvex lens and third biconcave lens are glued together, can effectively eliminate system color difference, keep lens system structure more steady
It is fixed, it is readily produced, and can be improved system imaging quality.
Optionally, the first lens group successively includes: that the third bent moon that is negative of focal power is saturating along optical axis from the object side to image side
The 4th meniscus lens that mirror, the 4th biconcave lens and focal power are positive；Wherein, the third meniscus lens and the 4th meniscus lens
Convex surface towards object side.
Due to being conducive to balance system ball by the way of the combination of positive negative lens in the first lens group of the embodiment of the present invention
Difference can effectively reduce off-axis aberration using three lens, improve image quality.
Optionally, in zoom-lens system, the focal length f of the first lens group 11, zoom-lens system is most short
Focal length f when coke-like statewWith focal length f of the zoom-lens system in longest coke-like statetBetween, under satisfaction
Column conditional:
1.85≤│f1│/(fw·ft)1/2≤2.25 ⑴。
Due to the focal length f of the first lens group 1 of the embodiment of the present invention1It limits in the reasonable scope, so that lens system
Zoom ratio is bigger, and can effectively reduce aberration, is more conducively imaged.
Optionally, in zoom-lens system, the focal length f of the second lens group 32, zoom-lens system is in most short focus state
Focal length fwAnd focal length f of the zoom-lens system in longest coke-like statetBetween, meet following condition formulae:
0.8<f2/fw<1.2 ⑵。
Due to the focal length f of the second lens group 3 of the embodiment of the present invention2Size limits in the reasonable scope, so that lens system
The zoom ratio of system is bigger, and can effectively reduce aberration, to be more conducive to be imaged.
Optionally, focal length f of the zoom-lens system in most short focus statewWith zoom-lens system in longest coke-like state
Focal length ftBetween and the first lens group 1 in two eyeglasses with negative power (third meniscus lens and the 4th concave-concave are saturating
Mirror) glass material mean refractive index Nn, meet following condition formulae:
0.4<Nn·fw/ft<0.55 ⑶。
Since the lens on light line with negative power of the embodiment of the present invention has disperse function, and refractive index is got over
Greatly, the disperse function of light is more obvious, limits the glass material of two eyeglasses with negative power in the first lens group 1
Mean refractive index NnIn the range that one determines, the first lens group 1 is limited to the degree of divergence of beam, is conducive to system imaging,
To improve image quality.
One of embodiment of the present invention camera lens, including above-mentioned zoom-lens system.
Due to the camera lens of the embodiment of the present invention, using above-mentioned zoom-lens system, aberration is corrected well, imaging
High resolution, image quality are excellent.
Detailed description of the invention
Fig. 1 (a) is the structural representation in short focus state and focal length state respectively of zoom-lens system of the embodiment of the present invention
Figure；
Fig. 1 (b) is the structural schematic diagram one of the second lens group changeable type in zoom-lens system of the embodiment of the present invention；
Fig. 1 (c) is the structural schematic diagram two of the second lens group changeable type in zoom-lens system of the embodiment of the present invention；
Fig. 1 (d) is the structural schematic diagram three of the second lens group changeable type in zoom-lens system of the embodiment of the present invention；
Fig. 1 (e) is the structural schematic diagram four of the second lens group changeable type in zoom-lens system of the embodiment of the present invention；
Fig. 1 (f) is the structural schematic diagram five of the second lens group changeable type in zoom-lens system of the embodiment of the present invention；
Fig. 1 (g) is the structural schematic diagram six of the second lens group changeable type in zoom-lens system of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of camera lens of the embodiment of the present invention；
Fig. 3 is the curve graph of zoom-lens system of the embodiment of the present invention corresponding optical transfer function in short focus state；
Fig. 4 is the curve graph of zoom-lens system of the embodiment of the present invention corresponding optical transfer function in focal length state；
Fig. 5 (a) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram one in short focus state；
Fig. 5 (b) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram two in short focus state；
Fig. 5 (c) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram three in short focus state；
Fig. 5 (d) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram four in short focus state；
Fig. 5 (e) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram five in short focus state；
Fig. 6 (a) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram one in focal length state；
Fig. 6 (b) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram two in focal length state；
Fig. 6 (c) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram three in focal length state；
Fig. 6 (d) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram four in focal length state；
Fig. 6 (e) is zoom-lens system of the embodiment of the present invention corresponding light sector diagram five in focal length state；
Fig. 7 is zoom-lens system of the embodiment of the present invention corresponding point range figure in short focus state；
Fig. 8 is zoom-lens system of the embodiment of the present invention corresponding point range figure in focal length state；
Fig. 9 (a) is zoom-lens system of the embodiment of the present invention corresponding curvature of field figure in short focus state；
Fig. 9 (b) is zoom-lens system of the embodiment of the present invention corresponding distortion figure in short focus state；
Figure 10 (a) is zoom-lens system of the embodiment of the present invention corresponding curvature of field figure in focal length state；
Figure 10 (b) is zoom-lens system of the embodiment of the present invention corresponding distortion figure in focal length state；
Figure 11 is zoom-lens system of the embodiment of the present invention corresponding chromaticity difference diagram in short focus state；
Figure 12 is zoom-lens system of the embodiment of the present invention corresponding chromaticity difference diagram in focal length state；
Figure 13 is zoom-lens system of the embodiment of the present invention corresponding optical transfer function in short focus infrared mode state
Curve graph；
Figure 14 is zoom-lens system of the embodiment of the present invention corresponding optical transfer function in focal length infrared mode state
Curve graph.
Specific embodiment
The embodiment of the invention provides a kind of zoom-lens systems, from the object side to image side successively include: to have along optical axis
First lens group of negative power, aperture diaphragm and the second lens group with positive light coke；Wherein, the second lens group is along optical axis
Line successively includes: the first lens with positive light coke from the object side to image side, and the second lens with positive light coke have negative light
First subgroup of focal power, the third lens with negative power, the 4th lens with positive light coke, the with negative power
Two subgroups, the 5th lens with positive light coke and the 6th lens with negative power；First subgroup includes that at least one is saturating
Mirror；Second subgroup includes at least one lens；5th lens and the 6th lens are glued together.This zoom-lens system
The second lens group in, near the lens of two positive light cokes of object side, effectively light can be restrained, near
The structure of two lens gluings of image side, so that entire zoom-lens system color difference is smaller, system structure is stablized, and is conducive to better
Imaging.
A kind of zoom-lens system provided by the invention, can be applied to safety defense monitoring system, TV, motion picture pickup, look in the distance,
The sciemtifec and technical spheres such as photomicrography, are also applicable in cosmic space exploration, and guided missile test pursues and attacks the military neck such as observation rocket record
Domain.The zoom-lens system can be widely applied to imaging system with its high-resolution level and more preferably infrared night vision effect.
The embodiment of the present invention is described in further detail with reference to the accompanying drawings of the specification.
As shown in Fig. 1 (a), for a kind of structural schematic diagram for zoom-lens system that case study on implementation of the present invention provides.The change
Focus lens system successively includes: the first lens group 1 with negative power, 2 He of aperture diaphragm along optical axis from the object side to image side
The second lens group 3 with positive light coke；
Second lens group 3 successively includes: the first biconvex lens 7 with positive light coke along optical axis from the object side to image side,
The second biconvex lens 8 with positive light coke, the first subgroup with negative power, the second biconcave lens with negative power
11, the 4th biconvex lens 12 with positive light coke, the second subgroup with negative power, the 5th biconvex with positive light coke
Lens 15 and third biconcave lens lens 16 with negative power；
First subgroup includes the first biconcave lens 9 that focal power is negative and the third biconvex lens 10 that focal power is positive；
Second subgroup includes the second meniscus lens 14 that focal power is positive the first meniscus lens 13 and focal power is negative；
5th biconvex lens 15 and third biconcave lens lens 16 are glued together.
In second lens group 3, the first biconvex lens 7 and the second biconvex lens 8 can be effectively to ray convergences；Near
5th biconvex lens 15 of image side and the glued structure of third biconcave lens lens 16 so that entire zoom-lens system color difference compared with
Small, system structure is stablized, and is conducive to preferably imaging.
In second lens group 3, third biconcave lens lens 16 can also be plano-concave lens, shown in structure such as Fig. 1 (b),
First plano-concave lens 17 in such as figure.
In second lens group 3, third biconcave lens lens 16 can also be the meniscus lens that focal power is negative, and structure is such as
Shown in Fig. 1 (c), such as the 4th meniscus lens 18 in figure.
In second lens group 3, the first subgroup can also only include the biconcave lens that a focal power is negative, such as Fig. 1 (d) institute
Show, such as the 5th biconcave lens 19 in figure.
In second lens group 3, the first subgroup can also only include the meniscus lens that a focal power is negative, such as Fig. 1 (e) institute
Show, such as the 5th meniscus lens 20 in figure.
In second lens group 3, the second subgroup can also only include the meniscus lens that a focal power is negative, such as Fig. 1 (f) institute
Show, such as the 6th meniscus lens 21 in figure.
In second lens group 3, the second subgroup can also only include the biconcave lens that a focal power is negative, such as Fig. 1 (g) institute
Show, such as the 6th biconcave lens 22 in figure.
A kind of structure of camera lens provided in an embodiment of the present invention further includes colour filter GF and imaging surface IMA, along optical axis from
Object side successively includes: the first lens group 1, aperture diaphragm 2, the second lens group 3, colour filter GF and imaging surface IMA to image side；Such as figure
The structural schematic diagram of camera lens shown in 2, the figure are only the structural schematic diagram of the preferred embodiment of the present invention.And for comprising just like figure
The camera lens of the second lens group, does not provide in the accompanying drawings as space is limited shown in 1 (b), 1 (c), 1 (d), 1 (e), 1 (f) and 1 (g).
Optionally, the refractive index of the first biconvex lens 7 is not less than given threshold.
The main function of the first biconvex lens 7 is received to from the light of aperture diaphragm incidence in the embodiment of the present invention
It holds back, main to correct system coma, astigmatism, refractive index is higher while matching reasonable Abbe number, and acquired effect is better, limit
The refractive index of fixed first biconvex lens 7 is not less than given threshold 1.7, and the convergence to incident light can be effectively ensured.
Optionally, the second biconvex lens 8 and the first subgroup are glued together, and the Abbe number of the second biconvex lens 8
Greater than 80.
The second biconvex lens 8 and the first biconcave lens 9 in the first subgroup are glued together in the embodiment of the present invention, glued
Structure can effectively eliminate system color difference, and the Abbe number for limiting the second biconvex lens 8 is greater than 80, can effectively reduce dispersion,
Improve image quality.
Optionally, the first biconcave lens 9 and third biconvex lens 10 are glued together.
The first biconcave lens 9 and third biconvex lens 10 are glued together in the embodiment of the present invention, and glued structure can be with
System color difference is effectively eliminated, improves image quality, and lens system structure can be made more stable.
Optionally, the second biconcave lens 11 and the 4th biconvex lens 12 are glued together.
It include the second biconcave lens 11 and the 4th lenticular glued together in the second lens group 3 in the embodiment of the present invention
Mirror 12, glued structure can effectively eliminate system color difference, keep lens system structure more stable, at the same time it can also effectively
The spherical aberration of balance system, coma, astigmatism, to improve image quality.
Optionally, the Abbe number of the second biconcave lens 11 is greater than 65, and refractive index is less than 1.55.
In the embodiment of the present invention, the Abbe number of the second biconcave lens 11 is limited greater than 65 and refractive index is less than 1.55, it can
To be effectively ensured when eyeglass deviates optical axis, image quality variation is little, to improve the stability of lens system.
Optionally, the first meniscus lens 13 and the second meniscus lens 14 are glued together；
Wherein, the convex surface of the first meniscus lens 13 and the second meniscus lens 14 is towards object side.
In the embodiment of the present invention, two meniscus lens are used in the second subgroup, it may be assumed that the first meniscus lens 13 and the second bent moon
Lens 14, meniscus lens are convex surface on one side, are on one side the characteristic of concave surface, can reduce spherical aberration to the maximum extent, thus improve at
Image quality amount.
Optionally, the Abbe number of the 5th biconvex lens 15 is greater than 80；And the refractive index of the 5th biconvex lens 15 is less than
The refractive index of third biconcave lens 16, the Abbe number of the 5th biconvex lens 15 are greater than the Abbe number of third biconcave lens 16.
Since the Abbe number that the embodiment of the present invention limits the 5th biconvex lens 15 is greater than 80, dispersion can be effectively reduced,
5th biconvex lens 15 and third biconcave lens 16 are glued together, can effectively eliminate system color difference, make lens system structure
It is more stable, it is readily produced, and can be improved system imaging quality.
Optionally, the first lens group 1 successively includes: the third bent moon that focal power is negative along optical axis from the object side to image side
The 4th meniscus lens 6 that lens 4, the 4th biconcave lens 5 and focal power are positive；Wherein, third meniscus lens 4 and the 4th bent moon are saturating
The convex surface of mirror 6 is towards object side.
Be conducive to balance system spherical aberration by the way of the combination of positive negative lens in the first lens group 1 in the embodiment of the present invention,
Off-axis aberration can be effectively reduced using three lens, improves image quality.
Optionally, in zoom-lens system, the focal length f1 of the first lens group 1, zoom-lens system are in most short focus state
Focal length fw and zoom-lens system between focal length ft in longest coke-like state, meet following condition formulae:
1.85≤│f1│/(fw·ft)1/2≤2.25 ⑴。
In the embodiment of the present invention, by the focal length f of the first lens group 11Size limits in the reasonable scope, so that lens system
Zoom ratio it is bigger, and aberration can be effectively reduced, to be more conducive to be imaged.
Optionally, in zoom-lens system, the focal length f of the second lens group 32, zoom-lens system is in most short focus state
Focal length fwAnd focal length f of the zoom-lens system in longest coke-like statetBetween, meet following condition formulae:
0.8<f2/fw<1.2 ⑵。
In the embodiment of the present invention, by the focal length f of the second lens group 32Size limits in the reasonable scope, so that lens system
Zoom ratio it is bigger, and aberration can be effectively reduced, to be more conducive to be imaged.
Optionally, in zoom-lens system, focal length f of the zoom-lens system in most short focus statewWith zoom lens system
The focal length f to unite in longest coke-like statetBetween and the first lens group 1 in two eyeglass (third bent moons with negative power
Lens 4 and the 4th biconcave lens 5) glass material mean refractive index Nn, meet following condition formulae:
0.4<Nn·fw/ft<0.55 ⑶。
In the embodiment of the present invention, the lens on light line with negative power has disperse function, and refractive index is bigger, right
The disperse function of light is more obvious, and the glass material of two eyeglasses with negative power is averaged in the first lens group 1 of restriction
Refractive index NnIn the range that one determines, the first lens group 1 is limited to the degree of divergence of beam, is conducive to system imaging, thus
Improve image quality.
One of embodiment of the present invention camera lens, using above-mentioned zoom-lens system.
Camera lens in the embodiment of the present invention, using above-mentioned zoom-lens system, aberration is corrected well, imaging point
Resolution is high, and image quality is excellent.
The parameters of each lens meet condition listed by table 1 in zoom-lens system:
Table 1
Wherein, R1 be lens towards object side face radius of curvature, R2 be lens towards image side face radius of curvature, Tc
For lens center thickness, Nd is the refractive index of lens, and Vd is the Abbe number of lens.
In the embodiment of the present invention, the radius of curvature of 13 lens used by limiting, center thickness, selected glass material
The Abbe number and refractive index of matter, so that the planform of zoom-lens system, the parameters such as Abbe number are matched with image-forming condition,
And then correct the spherical aberration of lens system, coma, astigmatism, the curvature of field, ratio chromatism, chromatism of position well, reach higher
Resolution ratio.
Optionally, in the first lens group 1, the center of the center of third meniscus lens 4 and the 4th biconcave lens 5 is in optical axis
The value range at the interval on direction is [7.5mm, 10.5mm]；In the center and the 4th meniscus lens 6 of 4th biconcave lens 5
The value range at the interval of the heart in the direction of the optical axis is [0mm, 4mm].In the second lens group 3, the center of the first biconvex lens 7
Value range with the interval of the center of the second biconvex lens 8 in the direction of the optical axis is [0.1mm, 0.5mm]；Second biconvex lens
8, the first biconcave lens 9 and 10 three of third biconvex lens are glued, form three balsaming lens；The center of third biconvex lens 10 and
The value range at the interval of the center of the second biconcave lens 11 in the direction of the optical axis is [0.5mm, 1.5mm]；Second biconcave lens
Both 11 and the 4th biconvex lens 12 are glued, form cemented doublet；The center of 4th biconvex lens 12 and the first meniscus lens
The value range at the interval of 13 center in the direction of the optical axis is [0.1mm, 0.5mm]；First meniscus lens 13 and the second bent moon
Both lens 14 are glued, form cemented doublet；The center of second meniscus lens 14 and the center of the 5th biconvex lens 15 are in light
The value range at the interval in axis direction is [0.1mm, 1mm]；Both 5th biconvex lens 15 and third biconcave lens 16 are glued,
Form cemented doublet.
In the embodiment of the present invention, the spacing range between each lens in the first lens group 1 and the second lens group 3 is carried out
It limits, so that the planform of zoom-lens system is preferably matched with image-forming condition, corrects the aberration of system to the maximum extent,
Realize higher resolution ratio and image quality.
Optionally, in the first lens group 1, the center of the center of third meniscus lens 4 and the 4th biconcave lens 5 is in optical axis
10mm is divided between on direction；The interval of the center of 4th biconcave lens 5 and the center of the 4th meniscus lens 6 in the direction of the optical axis
For 2.4mm.
In second lens group 3, the center of the center of the first biconvex lens 7 and the second biconvex lens 8 is in the direction of the optical axis
Between be divided into 0.1mm；The center of third biconvex lens 10 and the center of the second biconcave lens 11 in the direction of the optical axis between be divided into
0.7mm；The center of 4th biconvex lens 12 and the center of the first meniscus lens 13 in the direction of the optical axis between be divided into 0.1mm；The
The centers of two meniscus lens 14 and the center of the 5th biconvex lens 15 in the direction of the optical axis between be divided into 0.3mm.
In the specific implementation process, the parameter of each lens of the zoom system, pancreatic system meets condition listed by table 2:
Table 2
Meet above-mentioned requirements in the parameter that zoom-lens system meets above structure feature and each lens, the zoom
Lens system has following optical index:
Optics overall length TTL≤95.7mm；
The system focal length f of zoom lens is 3.7-16mm；
The system image planes of zoom lens: 1/1.7 〞；
Aperture Range F is 1.5-2.6.
The present invention will be described with specific embodiment with reference to the accompanying drawing.
In embodiment, each lens meet condition determined by table 2 in the zoom-lens system；And the zoom lens system
System also meets: in the first lens group 1, the center of the center of third meniscus lens 4 and the 4th biconcave lens 5 is in the direction of the optical axis
Between be divided into 10mm；The center of 4th biconcave lens 5 and the center of the 4th meniscus lens 6 in the direction of the optical axis between be divided into 2.4mm；
In second lens group 3, the center of the center of the first biconvex lens 7 and the second biconvex lens 8 in the direction of the optical axis between be divided into
0.1mm；The center of third biconvex lens 10 and the center of the second biconcave lens 11 in the direction of the optical axis between be divided into 0.7mm；The
The center of four biconvex lens 12 and the center of the first meniscus lens 13 in the direction of the optical axis between be divided into 0.1mm；Second bent moon is saturating
The center of mirror 14 and the center of the 5th biconvex lens 15 in the direction of the optical axis between be divided into 0.3mm.
Below with reference to the zoom-lens system optical transfer function (Modulation Transfer Function,
MTF) curve graph is illustrated the case where zoom-lens system provided in an embodiment of the present invention realization ultrahigh resolution.Wherein,
Optical transfer function is used to evaluate the image quality of an optical system, and curve is higher, more smooth, show system at image quality
Amount is better.
If the curve graph of zoom-lens system corresponding MTF in short focus state and focal length state is more consistent, two states
Lower MTF curve is all smoother and concentrates, and full filed MTF average value is higher, shows that the zoom-lens system can be whole
Guarantee very excellent image quality within the scope of a variable focal length, the zoom-lens system is to various aberrations, such as: spherical aberration, coma,
Astigmatism, the curvature of field, ratio chromatism, chromatism of position etc. are able to carry out good correction.
MTF curve is all smoother under two states as shown in Figure 3,4 and concentrates, and full filed MTF average value exists
0.64 or more, therefore zoom-lens system provided in an embodiment of the present invention can reach very high resolution ratio, can satisfy 1200
The imaging requirements of ten thousand pixels and 4K video camera.
Detailed Optical system is carried out below by zoom-lens system, is further described provided in this embodiment
Zoom-lens system.
Corresponding light sector diagram and when focal length state corresponding light sector diagram in zoom-lens system short focus state
In, aberration curve is more flat closer to x-axis in light sector diagram, then illustrates the better of the aberration correction of system.
For the zoom-lens system as shown in Fig. 5 (a) under short focus state, image height is the corresponding light sector diagram of 0mm visual field；Figure
For zoom-lens system shown in 5 (b) under short focus state, image height is the corresponding light sector diagram of 2.3mm visual field；Become shown in Fig. 5 (c)
For focus lens system under short focus state, image height is the corresponding light sector diagram of 3.0mm visual field；Zoom-lens system shown in Fig. 5 (d)
Under short focus state, image height is the corresponding light sector diagram of 3.6mm visual field；Zoom-lens system shown in Fig. 5 (e) is in short focus state
Under, image height is the corresponding light sector diagram of 4.4mm visual field；
For the zoom-lens system as shown in Fig. 6 (a) under focal length state, image height is the corresponding light sector diagram of 0mm visual field；Figure
For zoom-lens system shown in 6 (b) under focal length state, image height is the corresponding light sector diagram of 2.3mm visual field；Become shown in Fig. 6 (c)
For focus lens system under focal length state, image height is the corresponding light sector diagram of 3.0mm visual field；Zoom-lens system shown in Fig. 6 (d)
Under focal length state, image height is the corresponding light sector diagram of 3.6mm visual field；Zoom-lens system shown in Fig. 6 (e) is in focal length state
Under, image height is the corresponding light sector diagram of 4.4mm visual field.
In the above ten width figure, EYIndicate meridian direction aberration；PYIndicate that meridian direction normalizes entrance pupil；EXIndicate sagitta of arc side
To aberration；EXIndicate that sagitta of arc direction normalizes entrance pupil.
By the above ten width figure it is found that using zoom-lens system provided in this embodiment, obtained aberration curve is flat simultaneously
It is very close with x-axis；Therefore, within the scope of entire variable focal length, it can guarantee very excellent image quality.
When zoom-lens system is in short focus state corresponding point range figure in point range figure corresponding in focal length state, point
The radius size of spot is smaller in column figure, and image quality is better, illustrates within the scope of entire variable focal length, can guarantee very
Excellent image quality, for example, 4K video camera pixl size having a size of 1.85 μm.Full filed is shown as shown in Figure 7, Figure 8
The heart size of spot is both less than 2 times of pixl size, and center is even less than equal to 1 times of pixl size, therefore, using this reality
The zoom-lens system of example offer is applied, system aberration correction is relatively good, and image quality is excellent.
The curvature of field figure of zoom-lens system is made of three curve T and three curve S, and three curve T respectively indicate three kinds
The aberration of the corresponding meridional beam of wavelength (486nm, 587nm and 656nm) (Tangential Rays), three curve S distinguish table
Show the aberration of the corresponding sagittal beam (Sagittial Rays) of three kinds of wavelength (486nm, 587nm and 656nm), meridianal curvature of field value
It is smaller with Sagittal field curvature value, illustrate that zoom-lens system image quality is better.
In the distortion figure of zoom-lens system, distortion curve illustrates that the distortion of zoom-lens system is smaller closer to y-axis.
It is that zoom-lens system corresponding curvature of field figure meridianal curvature of field value in short focus state is controlled 0 as shown in Fig. 9 (a)
Within the scope of~0.015mm, Sagittal field curvature value is controlled within the scope of 0~0.01mm.
As shown in Fig. 9 (b), be zoom-lens system corresponding distortion figure in short focus state, wherein aberration rate control-
In 27.5%~0 range.
It is zoom-lens system corresponding curvature of field figure in focal length state, wherein meridianal curvature of field value as shown in Figure 10 (a)
Within the scope of 0~0.05mm, Sagittal field curvature value is controlled within the scope of 0~0.05mm for control.
It is zoom-lens system corresponding distortion figure in focal length state, wherein aberration rate controls as shown in Figure 10 (b)
In -2.3%~0 range.
In the chromaticity difference diagram of zoom-lens system, curve represents primary color aberration characteristics curve, and color aberration characteristics curve is closer to y
Axis illustrates that the color difference of zoom-lens system is smaller.
As shown in Figure 11, Figure 12, wherein Figure 11 is zoom-lens system corresponding chromaticity difference diagram in focal length state, it is seen then that
Primary color difference control is between -0.02~+0.02；Figure 12 is zoom-lens system corresponding chromaticity difference diagram in focal length state, can
See, primary color difference control is between -0.05~+0.05.
From above-mentioned Fig. 5 (a), 5 (b), 5 (c), 5 (d), 5 (e), Fig. 6 (a), 6 (b), 6 (c), 6 (d), 6 (e), Fig. 7, Fig. 8,
Fig. 9, Figure 10, Figure 11 and Figure 12 are it is found that zoom-lens system provided in this embodiment, the spherical aberration generated, coma, astigmatism, field
Bent and color difference is all controlled in lesser range, and distortion is controlled in reasonable numerical value.
In zoom-lens system optical transfer function figure, when short focus infrared mode state and focal length infrared mode state pair
The curve graph of the MTF answered is more consistent, and MTF curve is all smoother under two states and concentrates, and full filed MTF average value is got over
High (the infrared mtf value of common lens is usually≤0.3), it is very outstanding to illustrate that zoom-lens system has at infrared confocal aspect
Level of resolution and optical property.
As shown in figs. 13 and 14, wherein Figure 13 is zoom-lens system corresponding optics in short focus infrared mode state
The curve graph of transmission function；Figure 14 is the song of zoom-lens system corresponding optical transfer function in focal length infrared mode state
Line chart；It is found that the curve graph of MTF is more consistent in two figures from this two width figure, MTF curve is all smoother under two states and collects
In, and full filed MTF average value reaches 0.55 or more, is much higher by the infrared mtf value (usually≤0.3) of common lens.It can
See zoom-lens system provided in an embodiment of the present invention infrared confocal aspect also have very outstanding level of resolution and
Optical property.
It can be seen from the above: zoom-lens system provided in an embodiment of the present invention, using 13 specific structures
The optical lens of shape, and be arranged successively according to from object side to image side, and the distribution of the focal power by each optical lens,
Use ultra-low dispersion optical glass material simultaneously so that the planform of zoom-lens system, the parameters such as Abbe number at
The matching of slice part, and then the spherical aberration of lens system, coma, astigmatism, the curvature of field, ratio chromatism, chromatism of position is made to obtain good school
Just.
The embodiment of the invention provides a kind of zoom-lens systems, to improve the level of resolution of lens system.This hair
The zoom-lens system of bright offer has two lens group structures of the first lens group and the second lens group, and in the first lens group and
Each lens position in second lens group is relatively fixed, by the distribution of the focal power of each optical lens, so that zoom is saturating
The planform of mirror system, the parameters such as abbe number are matched with image-forming condition, and can effectively reduce the various aberrations of system,
To reach higher resolution ratio (highest supports 12,000,000 pixel camera machines) and more preferably infrared night vision effect, can be applied to
Imaging device realizes that round-the-clock ultra high-definition picture is shown.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (12)
1. a kind of zoom-lens system, which is characterized in that from the object side to image side successively include: with negative power along optical axis
First lens group, aperture diaphragm and the second lens group with positive light coke；
Second lens group successively includes: the first lens with positive light coke along optical axis from the object side to image side, is had just
Second lens of focal power, the first subgroup with negative power, the third lens with negative power, with positive light coke
4th lens, the second subgroup with negative power, the 5th lens with positive light coke and the with negative power the 6th are thoroughly
Mirror；
First subgroup includes at least one lens；
Second subgroup includes at least one lens；
5th lens and the 6th lens are glued together；
Wherein, first subgroup along optical axis successively include: from the object side to image side the first biconcave lens that focal power is negative and
The third biconvex lens that focal power is positive；First biconcave lens and third biconvex lens are glued together.
2. zoom-lens system as described in claim 1, which is characterized in that first lens with positive light coke are the
One biconvex lens, and the refractive index of first biconvex lens is not less than 1.7.
3. zoom-lens system as described in claim 1, which is characterized in that second lens with positive light coke are the
Two biconvex lens, second biconvex lens and first subgroup are glued together, and second biconvex lens Ah
Shellfish coefficient is greater than 80.
4. zoom-lens system as described in claim 1, which is characterized in that the third lens with negative power are the
Two biconcave lens；
The 4th lens with positive light coke are the 4th biconvex lens；
Second biconcave lens and the 4th biconvex lens are glued together.
5. zoom-lens system as claimed in claim 4, which is characterized in that the Abbe number of second biconcave lens is greater than
65, refractive index is less than 1.55.
6. zoom-lens system as described in claim 1, which is characterized in that second subgroup is along optical axis from object side to picture
Side successively includes: the first meniscus lens that focal power is positive and the second meniscus lens that focal power is negative；
First meniscus lens and second meniscus lens are glued together；
Wherein, the convex surface of first meniscus lens and second meniscus lens is towards object side.
7. zoom-lens system as described in claim 1, which is characterized in that the 5th lens and the 6th lens are distinguished
For the 5th biconvex lens and third biconcave lens；
The Abbe number of 5th biconvex lens is greater than 80；
The refractive index of 5th biconvex lens be less than the third biconcave lens refractive index, the 5th biconvex lens Ah
Shellfish coefficient is greater than the Abbe number of the third biconcave lens.
8. zoom-lens system as described in claim 1, which is characterized in that first lens group, along optical axis from object side
It successively include: the third meniscus lens that focal power is negative to image side, the 4th bent moon that the 4th biconcave lens and focal power are positive is saturating
Mirror；
The convex surface of the third meniscus lens and the 4th meniscus lens is towards object side.
9. zoom-lens system as described in claim 1, which is characterized in that the zoom-lens system
Meet following condition formulae:
1.85≤│f1│/(fw·ft)1/2≤2.25
Wherein:
f1Indicate the focal length of the first lens group；
fwIndicate focal length of the zoom-lens system in most short focus state；
ftIndicate focal length of the zoom-lens system in longest coke-like state.
10. zoom-lens system as described in claim 1, which is characterized in that the zoom-lens system meets following condition
Formula:
0.8<f2/fw<1.2
Wherein:
f2Indicate the focal length of the second lens group；
fwIndicate focal length of the zoom-lens system in most short focus state.
11. zoom-lens system as claimed in claim 8, which is characterized in that the zoom-lens system meets following condition
Formula:
0.4<Nn·fw/ft<0.55
Wherein:
NnRefer to the mean refractive index of the glass material of third meniscus lens and the 4th biconcave lens in the first lens group；
fwIndicate focal length of the zoom-lens system in most short focus state；
ftIndicate focal length of the zoom-lens system in longest coke-like state.
12. a kind of camera lens, which is characterized in that including the described in any item zoom-lens systems of claim 1~11.
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| CN201510367784.6A CN106324815B (en) | 2015-06-26 | 2015-06-26 | A kind of zoom-lens system and camera lens |
| EP16811014.6A EP3311212B1 (en) | 2015-06-17 | 2016-06-16 | A zoom lens system |
| US15/737,281 US10495860B2 (en) | 2015-06-17 | 2016-06-16 | Zoom lens system |
| PCT/CN2016/086000 WO2016202273A1 (en) | 2015-06-17 | 2016-06-16 | A zoom lens system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102018132699B4 (en) * | 2017-12-19 | 2020-06-18 | Cognex Corporation | Sight system and adjustable lens system for a sight system |
| CN108627961B (en) * | 2018-05-04 | 2023-11-07 | 山东省科学院海洋仪器仪表研究所 | Underwater zoom imaging lens with large relative aperture |
| CN109884779B (en) * | 2019-03-15 | 2023-10-27 | 广东奥普特科技股份有限公司 | Low-distortion lens |
| CN110412743B (en) * | 2019-07-09 | 2021-04-16 | 浙江大华技术股份有限公司 | Lens |
| CN111399200B (en) * | 2020-04-29 | 2024-07-09 | 苏州协尔智能光电有限公司 | Optical system and optical lens |
| CN112612114B (en) * | 2020-12-29 | 2023-09-19 | 福建福光天瞳光学有限公司 | Low-distortion six-piece optical lens and imaging method thereof |
| CN112904542B (en) * | 2021-01-28 | 2022-03-04 | 中国科学院西安光学精密机械研究所 | Low-distortion high-definition continuous zooming optical system |
| CN115032763B (en) * | 2022-05-20 | 2024-09-10 | 佛山华国光学器材有限公司 | Side surface optical imaging system |
| CN117092800B (en) * | 2023-10-17 | 2024-02-20 | 江西联益光学有限公司 | Zoom lens |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701034A (en) * | 1984-03-02 | 1987-10-20 | Olympus Optical Co., Ltd. | Large aperture zoom lens system |
| JPH10104514A (en) * | 1996-09-30 | 1998-04-24 | Canon Inc | Zoom lens |
| CN101320125A (en) * | 2007-06-08 | 2008-12-10 | 佳能株式会社 | Zoom lens and image projection apparatus having the same |
| JP2012008273A (en) * | 2010-06-23 | 2012-01-12 | Nikon Corp | Zoom lens, imaging device, method for manufacturing zoom lens |
| EP2725406A2 (en) * | 2012-10-25 | 2014-04-30 | Ricoh Imaging Company, Ltd. | Zoom lens system |
| CN204807794U (en) * | 2015-06-26 | 2015-11-25 | 浙江大华技术股份有限公司 | Zoom lens system and camera lens |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5423555A (en) * | 1977-07-23 | 1979-02-22 | Olympus Optical Co Ltd | Zoom lens |
| CN202267773U (en) * | 2011-09-28 | 2012-06-06 | 福建福光数码科技有限公司 | High-resolution multipoint zoom lens for intelligent buildings |
| JP6207139B2 (en) * | 2012-09-21 | 2017-10-04 | キヤノン株式会社 | Zoom lens and imaging apparatus having the same |
| JP5777592B2 (en) * | 2012-11-06 | 2015-09-09 | キヤノン株式会社 | Zoom lens and imaging apparatus having the same |
| JP6452285B2 (en) * | 2013-11-22 | 2019-01-16 | キヤノン株式会社 | Zoom lens and imaging apparatus having the same |
-
2015
- 2015-06-26 CN CN201510367784.6A patent/CN106324815B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701034A (en) * | 1984-03-02 | 1987-10-20 | Olympus Optical Co., Ltd. | Large aperture zoom lens system |
| JPH10104514A (en) * | 1996-09-30 | 1998-04-24 | Canon Inc | Zoom lens |
| CN101320125A (en) * | 2007-06-08 | 2008-12-10 | 佳能株式会社 | Zoom lens and image projection apparatus having the same |
| JP2012008273A (en) * | 2010-06-23 | 2012-01-12 | Nikon Corp | Zoom lens, imaging device, method for manufacturing zoom lens |
| EP2725406A2 (en) * | 2012-10-25 | 2014-04-30 | Ricoh Imaging Company, Ltd. | Zoom lens system |
| CN204807794U (en) * | 2015-06-26 | 2015-11-25 | 浙江大华技术股份有限公司 | Zoom lens system and camera lens |
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