CN103676095B - Five-piece imaging lens set - Google Patents
- ️Wed Apr 13 2016
附图说明Description of drawings
图1A是本发明第一实施例的光学示意图。FIG. 1A is an optical schematic diagram of a first embodiment of the present invention.
图1B是本发明第一实施例球面、歪曲收差线图、及像面弯曲图。FIG. 1B is a diagram of a spherical surface, a distortion line diagram, and a field curvature diagram of the first embodiment of the present invention.
图1C是表一，为第一实施例光学数据。FIG. 1C is Table 1, which is the optical data of the first embodiment.
图1D是表二，为第一实施例非球面数据。Fig. 1D is Table 2, which is the aspherical data of the first embodiment.
图2A是本发明第二实施例的光学示意图。FIG. 2A is an optical schematic diagram of a second embodiment of the present invention.
图2B是本发明第二实施例球面、歪曲收差线图、及像面弯曲图。FIG. 2B is a diagram of a spherical surface, a distortion line diagram, and a field curvature diagram of the second embodiment of the present invention.
图2C是表三，为第二实施例光学数据。FIG. 2C is Table 3, which is the optical data of the second embodiment.
图2D是表四，为第二实施例非球面数据。FIG. 2D is Table 4, which is the aspherical data of the second embodiment.
图3A是本发明第三实施例的光学示意图。FIG. 3A is an optical schematic diagram of a third embodiment of the present invention.
图3B是本发明第三实施例球面、歪曲收差线图、及像面弯曲图。FIG. 3B is a spherical surface, a distortion line diagram, and a field curvature diagram of the third embodiment of the present invention.
图3C是表五，为第三实施例光学数据。FIG. 3C is Table 5, which is the optical data of the third embodiment.
图3D是表六，为第三实施例非球面数据。FIG. 3D is Table 6, which is the aspherical data of the third embodiment.
图4A是本发明第四实施例的光学示意图。FIG. 4A is an optical schematic diagram of a fourth embodiment of the present invention.
图4B是本发明第四实施例球面、歪曲收差线图、及像面弯曲图。4B is a spherical surface, a distortion line diagram, and a field curvature diagram of the fourth embodiment of the present invention.
图4C是表七，为第四实施例光学数据。FIG. 4C is Table 7, which is the optical data of the fourth embodiment.
图4D是表八，为第四实施例非球面数据。FIG. 4D is Table 8, which is the aspheric data of the fourth embodiment.
图5A是本发明第五实施例的光学示意图。FIG. 5A is an optical schematic diagram of a fifth embodiment of the present invention.
图5B是本发明第五实施例球面、歪曲收差线图、及像面弯曲图。FIG. 5B is a spherical surface, a distortion line diagram, and a field curvature diagram of the fifth embodiment of the present invention.
图5C是表九，为第五实施例光学数据。FIG. 5C is Table 9, which is the optical data of the fifth embodiment.
图5D是表十，为第五实施例非球面数据。FIG. 5D is Table 10, which is the aspherical data of the fifth embodiment.
图6A是本发明第六实施例的光学示意图。FIG. 6A is an optical schematic diagram of a sixth embodiment of the present invention.
图6B是本发明第六实施例球面、歪曲收差线图、及像面弯曲图。FIG. 6B is a spherical surface, a distortion line diagram, and a field curvature diagram of the sixth embodiment of the present invention.
图6C是表十一，为第六实施例光学数据。Fig. 6C is Table 11, which is the optical data of the sixth embodiment.
图6D是表十二，为第六实施例非球面数据。FIG. 6D is Table 12, which is the aspherical data of the sixth embodiment.
图7是表十三，为本发明相关关系式的数值资料。Fig. 7 is Table 13, which is the numerical data of the correlation relation of the present invention.
附图标记说明Explanation of reference signs
100、200、300、400、500、600是光栏100, 200, 300, 400, 500, 600 are light bars
110、210、310、410、510、610是第一镜片110, 210, 310, 410, 510, 610 are the first lenses
111、211、311、411、511、611是第一镜片的物侧表面111, 211, 311, 411, 511, 611 are object side surfaces of the first lens
112、212、312、412、512、612是第一镜片的像侧表面112, 212, 312, 412, 512, 612 are the image side surfaces of the first eyeglass
120、220、320、420、520、620是第二镜片120, 220, 320, 420, 520, 620 are the second lens
121、221、321、421、521、621是第二镜片的物侧表面121, 221, 321, 421, 521, 621 are object side surfaces of the second lens
122、222、322、422、522、622是第二镜片的像侧表面122, 222, 322, 422, 522, 622 are the image side surfaces of the second eyeglass
130、230、330、430、530、630是第三镜片130, 230, 330, 430, 530, 630 are the third lenses
131、231、331、431、531、631是第三镜片的物侧表面131, 231, 331, 431, 531, 631 are object side surfaces of the third lens
132、232、332、432、532、632是第三镜片的像侧表面132, 232, 332, 432, 532, 632 are the image side surfaces of the third eyeglass
140、240、340、440、540、640是第四镜片140, 240, 340, 440, 540, 640 are the fourth lens
141、241、341、441、541、641是第四镜片的物侧表面141, 241, 341, 441, 541, 641 are object side surfaces of the fourth lens
142、242、342、442、542、642是第四镜片的像侧表面142, 242, 342, 442, 542, 642 are the image side surfaces of the fourth eyeglass
150、250、350、450、550、650是第五镜片150, 250, 350, 450, 550, 650 are the fifth lens
151、251、351、451、551、651是第五镜片的物侧表面151, 251, 351, 451, 551, 651 are object side surfaces of the fifth lens
152、252、352、452、552、652是第五镜片的像侧表面152, 252, 352, 452, 552, 652 are the image side surfaces of the fifth lens
160、260、360、460、560、660是红外线滤除滤光片(IRFilter)170、270、370、470、570、670是成像面160, 260, 360, 460, 560, 660 are infrared filter (IRFilter) 170, 270, 370, 470, 570, 670 are imaging surface
180、280、380、480、580、680是光轴180, 280, 380, 480, 580, 680 are optical axes
F是整体合成焦距F is the overall composite focal length
Fno是整体光圈值Fno is the overall aperture value
2ω是画角2ω is the drawing angle
f1是第一镜片的焦距f1 is the focal length of the first lens
f2是第二镜片的焦距f2 is the focal length of the second lens
f4是第四镜片的焦距f4 is the focal length of the fourth lens
f5是第五镜片的焦距f5 is the focal length of the fifth lens
f12是第一镜片及第二镜片的合成焦距f12 is the composite focal length of the first lens and the second lens
f23是第二镜片及第三镜片的合成焦距f23 is the synthetic focal length of the second lens and the third lens
f34是第三镜片及第四镜片的合成焦距f34 is the synthetic focal length of the third lens and the fourth lens
f123是第一镜片、第二镜片及第三镜片的合成焦距f123 is the composite focal length of the first lens, the second lens and the third lens
TL是第一镜片的物侧表面到成像面于光轴上的距离TL is the distance from the object-side surface of the first lens to the imaging plane on the optical axis
IH是成像面影像半径IH is the image radius of the imaging surface
N1是第一镜片的折射率N1 is the refractive index of the first lens
V1是第一镜片的阿贝数V1 is the Abbe number of the first lens
N2是第二镜片的折射率N2 is the refractive index of the second lens
V2是第二镜片的阿贝数V2 is the Abbe number of the second lens
具体实施方式detailed description
第一实施例first embodiment
本发明第一实施例所提供的一种五片式成像镜片组，请参阅图1A、1B，图1A为本发明第一实施例的五片式成像镜片组配置示意图，图1B为本发明第一实施例像差曲线图，第一实施例从物侧A到像侧B包含：A five-piece imaging lens set provided by the first embodiment of the present invention, please refer to Figures 1A and 1B, Figure 1A is a schematic configuration diagram of the five-piece imaging lens set according to the first embodiment of the present invention, and Figure 1B is a schematic diagram of the first embodiment of the present invention An embodiment of the aberration curve diagram, the first embodiment from the object side A to the image side B includes:
一光栏100。One light bar 100.
一具正屈折力的第一镜片110，其材质为塑料，该第一镜片110的物侧表面111为凸面、该像侧表面112为凸面，该第一镜片110的物侧表面111与像侧表面112皆设为非球面。A first lens 110 with positive refractive power is made of plastic. The object side surface 111 of the first lens 110 is a convex surface, and the image side surface 112 is a convex surface. The surfaces 112 are all aspherical.
一具负屈折力的第二镜片120，其材质为塑料，该第二镜片120的物侧表面121为凸面、该像侧表面122为凹面，该第二镜片120的物侧表面121与像侧表面122皆设为非球面。A second lens 120 with negative refractive power is made of plastic. The object side surface 121 of the second lens 120 is convex, and the image side surface 122 is concave. The surfaces 122 are all aspherical.
一具负屈折力的第三镜片130，其材质为塑料，该第三镜片130的物侧表面131为凸面、该像侧表面132为凹面，该第三镜片130的物侧表面131与像侧表面132皆设为非球面。A third lens 130 with negative refractive power is made of plastic. The object side surface 131 of the third lens 130 is convex, and the image side surface 132 is concave. The surfaces 132 are all aspherical.
一具正屈折力的第四镜片140，其材质为塑料，该第四镜片140的物侧表面141为凹面、该像侧表面142为凸面，该第四镜片140的物侧表面141与像侧表面142皆设为非球面。A fourth lens 140 with positive refractive power is made of plastic. The object side surface 141 of the fourth lens 140 is concave, and the image side surface 142 is convex. The surfaces 142 are all aspherical.
一具负屈折力第五镜片150，其材质为塑料，该第五镜片150的物侧表面151为凸面、该像侧表面152为凹面，该第五镜片150的物侧表面151与像侧表面152皆设为非球面。A fifth lens 150 with negative refractive power is made of plastic. The object side surface 151 of the fifth lens 150 is convex, and the image side surface 152 is concave. The object side surface 151 and the image side surface of the fifth lens 150 are 152 are all set as aspheric.
一红外线滤除滤光片(IR-filter)160，其设于该第五镜片150像侧表面152与一成像面170之间，该红外线滤除滤光片160的材质为玻璃且不影响该五片式成像镜片组的焦距。An infrared filter filter (IR-filter) 160 is located between the image side surface 152 of the fifth lens 150 and an imaging surface 170. The material of the infrared filter filter 160 is glass and does not affect the The focal length of the five-element imaging lens set.
上述的非球面曲线的方程式表示如下：The equation of the above-mentioned aspheric curve is expressed as follows:
zz == chch 22 11 ++ [[ 11 -- (( kk ++ 11 )) cc 22 hh 22 ]] 0.50.5 ++ AhAh 44 ++ BhBh 66 ++ ChCh 88 ++ DhDh 1010 ++ EhEh 1212 ++ GhGh 1414 ++ ......
其中z为沿光轴180方向在高度为h的位置以表面顶点作参考的位置值；k为锥常度量；c为曲率半径的倒数；A、B、C、D、E、G、……为高阶非球面系数。Among them, z is the position value at the position of height h along the optical axis 180, taking the surface vertex as a reference; k is the cone constant; c is the reciprocal of the radius of curvature; A, B, C, D, E, G, ... is the high-order aspheric coefficient.
第一实施例中，该五片式成像镜片组的整体合成焦距为f，其关系式为：f＝3.65。In the first embodiment, the overall synthetic focal length of the five-piece imaging lens set is f, and its relationship is: f=3.65.
第一实施例中，该五片式成像镜片组的整体光圈值(f-number)为Fno，其关系式为：Fno＝2.2。In the first embodiment, the overall aperture value (f-number) of the five-piece imaging lens set is Fno, and its relationship is: Fno=2.2.
第一实施例中，该五片式成像镜片组的画角为2ω，其关系式为：2ω＝78°。In the first embodiment, the picture angle of the five-piece imaging lens set is 2ω, and its relationship is: 2ω=78°.
第一实施例中，该第一镜片110的焦距为f1，该第二镜片120的焦距为f2，其关系式为：|f1|/|f2|＝0.5230。In the first embodiment, the focal length of the first lens 110 is f1, and the focal length of the second lens 120 is f2, and the relationship is: |f1|/|f2|=0.5230.
第一实施例中，该第一镜片110的焦距为f1，该第二镜片120及该第三镜片130的合成焦距为f23，其关系式为：|f1|/|f23|＝0.5679。In the first embodiment, the focal length of the first lens 110 is f1, the combined focal length of the second lens 120 and the third lens 130 is f23, and the relationship is: |f1|/|f23|=0.5679.
第一实施例中，该第二镜片120的焦距为f2，该第三镜片130及该第四镜片140的合成焦距为f34，其关系式为：|f2|/|f34|＝2.2848。In the first embodiment, the focal length of the second lens 120 is f2, and the composite focal length of the third lens 130 and the fourth lens 140 is f34, and the relationship is: |f2|/|f34|=2.2848.
第一实施例中，该第四镜片140的焦距为f4，该第五镜片150的焦距为f5，其关系式为：|f4|/|f5|＝0.9692。In the first embodiment, the focal length of the fourth lens 140 is f4, the focal length of the fifth lens 150 is f5, and the relationship is: |f4|/|f5|=0.9692.
第一实施例中，该第一镜片110及该第二镜片120的合成焦距为f12，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f12|/f＝1.0343。In the first embodiment, the combined focal length of the first lens 110 and the second lens 120 is f12, the overall combined focal length of the five-piece imaging lens set is f, and the relationship is: |f12|/f=1.0343.
第一实施例中，该第一镜片110、该第二镜片120及该第三镜片130的合成焦距为f123，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f123|/f＝1.0609。In the first embodiment, the combined focal length of the first lens 110, the second lens 120 and the third lens 130 is f123, the overall combined focal length of the five-piece imaging lens set is f, and its relationship is: | f123 |/f=1.0609.
第一实施例中，成像面170影像半径为IH，该第一镜片110的物侧表面111到成像面170于光轴180上的距离为TL，其关系式为：|IH/TL|＝0.8341。In the first embodiment, the image radius of the imaging surface 170 is IH, and the distance from the object-side surface 111 of the first lens 110 to the imaging surface 170 on the optical axis 180 is TL, and its relational expression is: |IH/TL|=0.8341 .
第一实施例中，该五片式成像镜片组的整体合成焦距为f，该第一镜片110的物侧表面111到成像面170于光轴180上的距离为TL，其关系式为：|f/TL|＝1.2573。In the first embodiment, the overall synthetic focal length of the five-piece imaging lens group is f, the distance from the object-side surface 111 of the first lens 110 to the imaging surface 170 on the optical axis 180 is TL, and the relationship is: | f/TL|=1.2573.
第一实施例中，该第一镜片110的折射率为N1、该第一镜片110的阿贝数(又称阿贝系数/Abbenumber)为V1、该第二镜片120的折射率为N2、该第二镜片120的阿贝数为V2，其关系式为：N1＝1.544；V1＝56.0；N2＝1.634；V2＝23.9。In the first embodiment, the refractive index of the first lens 110 is N1, the Abbe number of the first lens 110 (also known as Abbe number/Abbenumber) is V1, the refractive index of the second lens 120 is N2, the The Abbe number of the second lens 120 is V2, and its relationship is: N1=1.544; V1=56.0; N2=1.634; V2=23.9.
第一实施例详细的结构数据如同图1C中表一所示，其非球面数据如同第1D图中表二所示，其中，曲率半径、厚度及焦距的单位为公厘(mm)，且表一、二中所载的表面2、3分别为该第一镜片110的物、像侧表面111、112，表面4、5分别为该第二镜片120的物、像侧表面121、122，表面6、7分别为该第三镜片130的物、像侧表面131、132，表面8、9分别为该第四镜片140的物、像侧表面141、142，表面10、11分别为该第五镜片150的物、像侧表面151、152。The detailed structural data of the first embodiment are as shown in Table 1 in Figure 1C, and its aspheric surface data are as shown in Table 2 in Figure 1D, wherein the units of the radius of curvature, thickness and focal length are millimeters (mm), and the table Surfaces 2 and 3 contained in 1 and 2 are respectively object and image side surfaces 111 and 112 of the first lens 110, surfaces 4 and 5 are respectively object and image side surfaces 121 and 122 of the second lens 120, and surface 6 and 7 are object and image side surfaces 131 and 132 of the third lens 130 respectively, surfaces 8 and 9 are object and image side surfaces 141 and 142 of the fourth lens 140 respectively, and surfaces 10 and 11 are the fifth lens 140 respectively. The object and image side surfaces 151 , 152 of the lens 150 .
第二实施例second embodiment
本发明第二实施例所提供的一种五片式成像镜片组，请参阅图2A、2B，该图2A为本发明第二实施例的五片式成像镜片组配置示意图，图2B为本发明第二实施例像差曲线图，第二实施例从物侧A到像侧B包含：A five-piece imaging lens set provided by the second embodiment of the present invention, please refer to Figure 2A, 2B, the figure 2A is a schematic configuration diagram of the five-piece imaging lens set according to the second embodiment of the present invention, and Figure 2B is a schematic diagram of the present invention The aberration curve diagram of the second embodiment, the second embodiment includes from the object side A to the image side B:
一具正屈折力的第一镜片210，其材质为塑料，该第一镜片210的物侧表面211为凸面、该像侧表面212为凹面，该第一镜片210的物侧表面211与像侧表面212皆设为非球面。A first lens 210 with positive refractive power is made of plastic. The object side surface 211 of the first lens 210 is convex, and the image side surface 212 is concave. The surfaces 212 are all aspherical.
一光栏200。One light bar 200.
一具负屈折力的第二镜片220，其材质为塑料，该第二镜片220的物侧表面221为凸面、该像侧表面222为凹面，该第二镜片220的物侧表面221与像侧表面222皆设为非球面。A second lens 220 with negative refractive power is made of plastic. The object side surface 221 of the second lens 220 is convex, and the image side surface 222 is concave. The surfaces 222 are all aspherical.
一具负屈折力的第三镜片230，其材质为塑料，该第三镜片230的物侧表面231为凸面、该像侧表面232为凹面，该第三镜片230的物侧表面231与像侧表面232皆设为非球面。A third lens 230 with negative refractive power is made of plastic. The object side surface 231 of the third lens 230 is convex, and the image side surface 232 is concave. The surfaces 232 are all aspherical.
一具正屈折力的第四镜片240，其材质为塑料，该第四镜片240的物侧表面241为凹面、该像侧表面242为凸面，该第四镜片240的物侧表面241与像侧表面242皆设为非球面。A fourth lens 240 with positive refractive power is made of plastic. The object side surface 241 of the fourth lens 240 is concave, and the image side surface 242 is convex. The object side surface 241 of the fourth lens 240 is connected to the image side The surfaces 242 are all aspherical.
一具负屈折力第五镜片250，其材质为塑料，该第五镜片250的物侧表面251为凸面、该像侧表面252为凹面，该第五镜片250的物侧表面251与像侧表面252皆设为非球面。A fifth lens 250 with negative refractive power is made of plastic. The object side surface 251 of the fifth lens 250 is convex, and the image side surface 252 is concave. The object side surface 251 of the fifth lens 250 and the image side surface 252 are all set as aspheric.
一红外线滤除滤光片260，其设于该第五镜片250像侧表面252与一成像面270之间，该红外线滤除滤光片260的材质为玻璃且不影响该五片式成像镜片组的焦距。An infrared filter filter 260 is located between the image side surface 252 of the fifth lens 250 and an imaging surface 270. The infrared filter filter 260 is made of glass and does not affect the five-piece imaging lens The focal length of the group.
上述的非球面曲线的方程式表示如下：The equation of the above-mentioned aspheric curve is expressed as follows:
zz == chch 22 11 ++ [[ 11 -- (( kk ++ 11 )) cc 22 hh 22 ]] 0.50.5 ++ AhAh 44 ++ BhBh 66 ++ ChCh 88 ++ DhDh 1010 ++ EhEh 1212 ++ GhGh 1414 ++ ......
其中z为沿光轴280方向在高度为h的位置以表面顶点作参考的位置值；k为锥常度量；c为曲率半径的倒数；A、B、C、D、E、G、……为高阶非球面系数。Among them, z is the position value at the position of height h along the optical axis 280, taking the surface vertex as a reference; k is the cone constant; c is the reciprocal of the radius of curvature; A, B, C, D, E, G, ... is the high-order aspheric coefficient.
第二实施例中，该五片式成像镜片组的整体合成焦距为f，其关系式为：f＝3.76。In the second embodiment, the overall composite focal length of the five-piece imaging lens set is f, and its relationship is: f=3.76.
第二实施例中，该五片式成像镜片组的整体光圈值(f-number)为Fno，其关系式为：Fno＝2.2。In the second embodiment, the overall aperture value (f-number) of the five-piece imaging lens set is Fno, and its relationship is: Fno=2.2.
第二实施例中，该五片式成像镜片组的画角为2ω，其关系式为：2ω＝78°。In the second embodiment, the picture angle of the five-piece imaging lens set is 2ω, and its relationship is: 2ω=78°.
第二实施例中，该第一镜片210的焦距为f1，该第二镜片220的焦距为f2，其关系式为：|f1|/|f2|＝0.4876。In the second embodiment, the focal length of the first lens 210 is f1, and the focal length of the second lens 220 is f2, and the relationship is: |f1|/|f2|=0.4876.
第二实施例中，该第一镜片210的焦距为f1，该第二镜片220及该第三镜片230的合成焦距为f23，其关系式为：|f1|/|f23|＝0.5149。In the second embodiment, the focal length of the first lens 210 is f1, the composite focal length of the second lens 220 and the third lens 230 is f23, and the relational expression is: |f1|/|f23|=0.5149.
第二实施例中，该第二镜片220的焦距为f2，该第三镜片230及该第四镜片240的合成焦距为f34，其关系式为：|f2|/|f34|＝2.3878。In the second embodiment, the focal length of the second lens 220 is f2, and the composite focal length of the third lens 230 and the fourth lens 240 is f34, and the relationship is: |f2|/|f34|=2.3878.
第二实施例中，该第四镜片240的焦距为f4，该第五镜片250的焦距为f5，其关系式为：|f4|/|f5|＝0.9240。In the second embodiment, the focal length of the fourth lens 240 is f4, the focal length of the fifth lens 250 is f5, and the relationship is: |f4|/|f5|=0.9240.
第二实施例中，该第一镜片210及该第二镜片220的合成焦距为f12，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f12|/f＝0.9676。In the second embodiment, the combined focal length of the first lens 210 and the second lens 220 is f12, the overall combined focal length of the five-piece imaging lens set is f, and the relationship is: |f12|/f=0.9676.
第二实施例中，该第一镜片210、该第二镜片220及该第三镜片230的合成焦距为f123，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f123|/f＝0.9808。In the second embodiment, the combined focal length of the first lens 210, the second lens 220, and the third lens 230 is f123, the overall combined focal length of the five-piece imaging lens set is f, and its relationship is: | f123 |/f=0.9808.
第二实施例中，成像面270影像半径为IH，该第一镜片210的物侧表面211到成像面270于光轴280上的距离为TL，其关系式为：|IH/TL|＝0.8108。In the second embodiment, the image radius of the imaging surface 270 is IH, and the distance from the object-side surface 211 of the first lens 210 to the imaging surface 270 on the optical axis 280 is TL, and its relational expression is: |IH/TL|=0.8108 .
第二实施例中，该五片式成像镜片组的整体合成焦距为f，该第一镜片210的物侧表面211到成像面270于光轴280上的距离为TL，其关系式为：|f/TL|＝1.2373。In the second embodiment, the overall synthetic focal length of the five-piece imaging lens group is f, and the distance from the object-side surface 211 of the first lens 210 to the imaging surface 270 on the optical axis 280 is TL, and its relationship is: | f/TL|=1.2373.
第二实施例中，该第一镜片210的折射率为N1、该第一镜片210的阿贝数为V1、该第二镜片220的折射率为N2、该第二镜片220的阿贝数为V2，其关系式为：N1＝1.544；V1＝56；N2＝1.632；V2＝23。In the second embodiment, the refractive index of the first lens 210 is N1, the Abbe number of the first lens 210 is V1, the refractive index of the second lens 220 is N2, and the Abbe number of the second lens 220 is V2, its relational formula is: N1=1.544; V1=56; N2=1.632; V2=23.
第二实施例详细的结构数据如同图2C中表三所示，其非球面数据如同第2D图中表四所示，其中，曲率半径、厚度及焦距的单位为公厘(mm)，且表三、四中所载的表面1、2分别为该第一镜片210的物、像侧表面211、212，表面4、5分别为该第二镜片220的物、像侧表面221、222，表面6、7分别为该第三镜片230的物、像侧表面231、232，表面8、9分别为该第四镜片240的物、像侧表面241、242，表面10、11分别为该第五镜片250的物、像侧表面251、252。The detailed structural data of the second embodiment is as shown in Table 3 in Figure 2C, and its aspheric surface data is as shown in Table 4 in Figure 2D, wherein the units of the radius of curvature, thickness and focal length are millimeters (mm), and the table Surfaces 1 and 2 contained in the third and fourth are respectively object and image side surfaces 211 and 212 of the first lens 210, surfaces 4 and 5 are respectively object and image side surfaces 221 and 222 of the second lens 220, and surfaces 6 and 7 are respectively the object and image side surfaces 231 and 232 of the third lens 230, surfaces 8 and 9 are respectively the object and image side surfaces 241 and 242 of the fourth lens 240, and surfaces 10 and 11 are respectively the fifth The object and image side surfaces 251, 252 of the lens 250.
第三实施例third embodiment
本发明第三实施例所提供的一种五片式成像镜片组，请参阅图3A、3B，该图3A为本发明第三实施例的五片式成像镜片组配置示意图，图3B为本发明第三实施例像差曲线图，第三实施例从物侧A到像侧B包含：A five-piece imaging lens set provided by the third embodiment of the present invention, please refer to Fig. 3A, 3B, the figure 3A is a schematic configuration diagram of the five-piece imaging lens set according to the third embodiment of the present invention, and Fig. 3B is a schematic diagram of the present invention The aberration curve diagram of the third embodiment, the third embodiment includes from the object side A to the image side B:
一具正屈折力的第一镜片310，其材质为塑料，该第一镜片310的物侧表面311为凸面、该像侧表面312为凸面，该第一镜片310的物侧表面311与像侧表面312皆设为非球面。A first lens 310 with positive refractive power is made of plastic. The object side surface 311 of the first lens 310 is convex, and the image side surface 312 is convex. The object side surface 311 of the first lens 310 is connected to the image side The surfaces 312 are all aspherical.
一光栏300。One light bar 300.
一具负屈折力的第二镜片320，其材质为塑料，该第二镜片320的物侧表面321为凹面、该像侧表面322为凹面，该第二镜片320的物侧表面321与像侧表面322皆设为非球面。A second lens 320 with negative refractive power is made of plastic. The object side surface 321 of the second lens 320 is concave, and the image side surface 322 is concave. The object side surface 321 of the second lens 320 and the image side The surfaces 322 are all aspherical.
一具正屈折力的第三镜片330，其材质为塑料，该第三镜片330的物侧表面331为凹面、该像侧表面332为凸面，该第三镜片330的物侧表面331与像侧表面332皆设为非球面。A third lens 330 with positive refractive power is made of plastic. The object side surface 331 of the third lens 330 is concave, and the image side surface 332 is convex. The object side surface 331 of the third lens 330 and the image side The surfaces 332 are all aspherical.
一具正屈折力的第四镜片340，其材质为塑料，该第四镜片340的物侧表面341为凹面、该像侧表面342为凸面，该第四镜片340的物侧表面341与像侧表面342皆设为非球面。A fourth lens 340 with positive refractive power is made of plastic. The object side surface 341 of the fourth lens 340 is concave, and the image side surface 342 is convex. The object side surface 341 of the fourth lens 340 is connected to the image side The surfaces 342 are all aspherical.
一具负屈折力第五镜片350，其材质为塑料，该第五镜片350的物侧表面351为凸面、该像侧表面352为凹面，该第五镜片350的物侧表面351与像侧表面352皆设为非球面。A fifth lens 350 with negative refractive power is made of plastic. The object side surface 351 of the fifth lens 350 is convex, and the image side surface 352 is concave. The object side surface 351 and the image side surface of the fifth lens 350 are 352 are all set as aspheric.
一红外线滤除滤光片360，其设于该第五镜片350像侧表面352与一成像面370之间，该红外线滤除滤光片360的材质为玻璃且不影响该五片式成像镜片组的焦距。An infrared filter filter 360 is located between the image side surface 352 of the fifth lens 350 and an imaging surface 370. The material of the infrared filter filter 360 is glass and does not affect the five-piece imaging lens The focal length of the group.
上述的非球面曲线的方程式表示如下：The equation of the above-mentioned aspheric curve is expressed as follows:
zz == chch 22 11 ++ [[ 11 -- (( kk ++ 11 )) cc 22 hh 22 ]] 0.50.5 ++ AhAh 44 ++ BhBh 66 ++ ChCh 88 ++ DhDh 1010 ++ EhEh 1212 ++ GhGh 1414 ++ ......
其中z为沿光轴380方向在高度为h的位置以表面顶点作参考的位置值；k为锥常度量；c为曲率半径的倒数；A、B、C、D、E、G、……为高阶非球面系数。Among them, z is the position value at the position of height h along the optical axis 380, taking the surface vertex as a reference; k is the cone constant; c is the reciprocal of the radius of curvature; A, B, C, D, E, G, ... is the high-order aspheric coefficient.
第三实施例中，该五片式成像镜片组的整体合成焦距为f，其关系式为：f＝3.67。In the third embodiment, the overall composite focal length of the five-piece imaging lens set is f, and its relationship is: f=3.67.
第三实施例中，该五片式成像镜片组的整体光圈值(f-number)为Fno，其关系式为：Fno＝2.2。In the third embodiment, the overall aperture value (f-number) of the five-piece imaging lens set is Fno, and its relationship is: Fno=2.2.
第三实施例中，该五片式成像镜片组的画角为2ω，其关系式为：2ω＝78°。In the third embodiment, the angle of view of the five-piece imaging lens set is 2ω, and its relationship is: 2ω=78°.
第三实施例中，该第一镜片310的焦距为f1，该第二镜片320的焦距为f2，其关系式为：|f1|/|f2|＝0.5951。In the third embodiment, the focal length of the first lens 310 is f1, the focal length of the second lens 320 is f2, and the relationship is: |f1|/|f2|=0.5951.
第三实施例中，该第一镜片310的焦距为f1，该第二镜片320及该第三镜片330的合成焦距为f23，其关系式为：|f1|/|f23|＝0.5628。In the third embodiment, the focal length of the first lens 310 is f1, the combined focal length of the second lens 320 and the third lens 330 is f23, and the relational expression is: |f1|/|f23|=0.5628.
第三实施例中，该第二镜片320的焦距为f2，该第三镜片330及该第四镜片340的合成焦距为f34，其关系式为：|f2|/|f34|＝1.4379。In the third embodiment, the focal length of the second lens 320 is f2, and the composite focal length of the third lens 330 and the fourth lens 340 is f34, and the relationship is: |f2|/|f34|=1.4379.
第三实施例中，该第四镜片340的焦距为f4，该第五镜片350的焦距为f5，其关系式为：|f4|/|f5|＝0.9599。In the third embodiment, the focal length of the fourth lens 340 is f4, the focal length of the fifth lens 350 is f5, and the relationship is: |f4|/|f5|=0.9599.
第三实施例中，该第一镜片310及该第二镜片320的合成焦距为f12，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f12|/f＝0.9758。In the third embodiment, the combined focal length of the first lens 310 and the second lens 320 is f12, the overall combined focal length of the five-piece imaging lens set is f, and the relationship is: |f12|/f=0.9758.
第三实施例中，该第一镜片310、该第二镜片320及该第三镜片330的合成焦距为f123，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f123|/f＝0.9480。In the third embodiment, the combined focal length of the first lens 310, the second lens 320 and the third lens 330 is f123, the overall combined focal length of the five-piece imaging lens set is f, and its relationship is: | f123 |/f=0.9480.
第三实施例中，成像面370影像半径为IH，该第一镜片310的物侧表面311到成像面370于光轴380上的距离为TL，其关系式为：|IH/TL|＝0.8307。In the third embodiment, the image radius of the imaging surface 370 is IH, and the distance from the object-side surface 311 of the first lens 310 to the imaging surface 370 on the optical axis 380 is TL, and its relational expression is: |IH/TL|=0.8307 .
第三实施例中，该五片式成像镜片组的整体合成焦距为f，该第一镜片310的物侧表面311到成像面370于光轴380上的距离为TL，其关系式为：|f/TL|＝1.2611。In the third embodiment, the overall synthetic focal length of the five-piece imaging lens group is f, the distance from the object-side surface 311 of the first lens 310 to the imaging surface 370 on the optical axis 380 is TL, and the relationship is: | f/TL|=1.2611.
第三实施例中，该第一镜片310的折射率为N1、该第一镜片310的阿贝数为V1、该第二镜片320的折射率为N2、该第二镜片320的阿贝数为V2，其关系式为：N1＝1.535；V1＝56；N2＝1.632；V2＝23。In the third embodiment, the refractive index of the first lens 310 is N1, the Abbe number of the first lens 310 is V1, the refractive index of the second lens 320 is N2, and the Abbe number of the second lens 320 is V2, its relational formula is: N1=1.535; V1=56; N2=1.632; V2=23.
第三实施例详细的结构数据如同图3C中表五所示，其非球面数据如同图3D中表六所示，其中，曲率半径、厚度及焦距的单位为公厘(mm)，且表五、六中所载的表面1、2分别为该第一镜片310的物、像侧表面311、312，表面4、5分别为该第二镜片320的物、像侧表面321、322，表面6、7分别为该第三镜片330的物、像侧表面331、332，表面8、9分别为该第四镜片340的物、像侧表面341、342，表面10、11分别为该第五镜片350的物、像侧表面351、352。The detailed structural data of the third embodiment is shown in Table 5 in Figure 3C, and its aspheric surface data is shown in Table 6 in Figure 3D, wherein the units of radius of curvature, thickness and focal length are millimeters (mm), and Table 5 6. Surfaces 1 and 2 are respectively the object and image side surfaces 311 and 312 of the first lens 310, surfaces 4 and 5 are respectively the object and image side surfaces 321 and 322 of the second lens 320, and surface 6 , 7 are object and image side surfaces 331, 332 of the third lens 330 respectively, surfaces 8 and 9 are object and image side surfaces 341 and 342 of the fourth lens 340 respectively, and surfaces 10 and 11 are respectively the fifth lens Object of 350, image side surfaces 351,352.
第四实施例Fourth embodiment
本发明第四实施例所提供的一种五片式成像镜片组，请参阅图4A、4B，该图4A为本发明第四实施例的五片式成像镜片组配置示意图，图4B为本发明第四实施例像差曲线图，第四实施例从物侧A到像侧B包含：A five-piece imaging lens set provided by the fourth embodiment of the present invention, please refer to Fig. 4A, 4B, the figure 4A is a schematic configuration diagram of the five-piece imaging lens set according to the fourth embodiment of the present invention, and Fig. 4B is a schematic diagram of the present invention The aberration curve diagram of the fourth embodiment, the fourth embodiment includes from the object side A to the image side B:
一具正屈折力的第一镜片410，其材质为塑料，该第一镜片410的物侧表面411为凸面、该像侧表面412为凸面，该第一镜片410的物侧表面411与像侧表面412皆设为非球面。A first lens 410 with positive refractive power is made of plastic. The object side surface 411 of the first lens 410 is convex, and the image side surface 412 is convex. The object side surface 411 of the first lens 410 is connected to the image side The surfaces 412 are all aspherical.
一光栏400。One light bar 400.
一具负屈折力的第二镜片420，其材质为塑料，该第二镜片420的物侧表面421为凹面、该像侧表面422为凹面，该第二镜片420的物侧表面421与像侧表面422皆设为非球面。A second lens 420 with negative refractive power is made of plastic. The object side surface 421 of the second lens 420 is concave, and the image side surface 422 is concave. The surfaces 422 are all aspherical.
一具正屈折力的第三镜片430，其材质为塑料，该第三镜片430的物侧表面431为凹面、该像侧表面432为凸面，该第三镜片430的物侧表面431与像侧表面432皆设为非球面。A third lens 430 with positive refractive power is made of plastic. The object side surface 431 of the third lens 430 is concave, and the image side surface 432 is convex. The object side surface 431 of the third lens 430 is connected to the image side The surfaces 432 are all aspherical.
一具正屈折力的第四镜片440，其材质为塑料，该第四镜片440的物侧表面441为凹面、该像侧表面442为凸面，该第四镜片440的物侧表面441与像侧表面442皆设为非球面。A fourth lens 440 with positive refractive power is made of plastic. The object side surface 441 of the fourth lens 440 is concave, and the image side surface 442 is convex. The object side surface 441 of the fourth lens 440 is connected to the image side The surfaces 442 are all aspherical.
一具负屈折力第五镜片450，其材质为塑料，该第五镜片450的物侧表面451为凸面、该像侧表面452为凹面，该第五镜片450的物侧表面451与像侧表面452皆设为非球面。A fifth lens 450 with negative refractive power is made of plastic. The object side surface 451 of the fifth lens 450 is convex, and the image side surface 452 is concave. The object side surface 451 of the fifth lens 450 and the image side surface 452 are all set as aspheric.
一红外线滤除滤光片460，其设于该第五镜片450像侧表面452与一成像面470之间，该红外线滤除滤光片460的材质为玻璃且不影响该五片式成像镜片组的焦距。An infrared filter filter 460 is located between the image side surface 452 of the fifth lens 450 and an imaging surface 470. The infrared filter filter 460 is made of glass and does not affect the five-piece imaging lens The focal length of the group.
上述的非球面曲线的方程式表示如下：The equation of the above-mentioned aspheric curve is expressed as follows:
zz == chch 22 11 ++ [[ 11 -- (( kk ++ 11 )) cc 22 hh 22 ]] 0.50.5 ++ AhAh 44 ++ BhBh 66 ++ ChCh 88 ++ DhDh 1010 ++ EhEh 1212 ++ GhGh 1414 ++ ......
其中z为沿光轴480方向在高度为h的位置以表面顶点作参考的位置值；k为锥常度量；c为曲率半径的倒数；A、B、C、D、E、G、……为高阶非球面系数。Among them, z is the position value at the position of height h along the optical axis 480, taking the surface vertex as a reference; k is the cone constant; c is the reciprocal of the radius of curvature; A, B, C, D, E, G, ... is the high-order aspheric coefficient.
第四实施例中，该五片式成像镜片组的整体合成焦距为f，其关系式为：f＝4.13。In the fourth embodiment, the overall composite focal length of the five-piece imaging lens set is f, and its relationship is: f=4.13.
第四实施例中，该五片式成像镜片组的整体光圈值(f-number)为Fno，其关系式为：Fno＝2.2。In the fourth embodiment, the overall aperture value (f-number) of the five-piece imaging lens set is Fno, and its relationship is: Fno=2.2.
第四实施例中，该五片式成像镜片组的画角为2ω，其关系式为：2ω＝72°。In the fourth embodiment, the picture angle of the five-piece imaging lens set is 2ω, and its relationship is: 2ω=72°.
第四实施例中，该第一镜片410的焦距为f1，该第二镜片420的焦距为f2，其关系式为：|f1|/|f2|＝0.6969。In the fourth embodiment, the focal length of the first lens 410 is f1, the focal length of the second lens 420 is f2, and the relationship is: |f1|/|f2|=0.6969.
第四实施例中，该第一镜片410的焦距为f1，该第二镜片420及该第三镜片430的合成焦距为f23，其关系式为：|f1|/|f23|＝0.5256。In the fourth embodiment, the focal length of the first lens 410 is f1, and the composite focal length of the second lens 420 and the third lens 430 is f23, and the relationship is: |f1|/|f23|=0.5256.
第四实施例中，该第二镜片420的焦距为f2，该第三镜片430及该第四镜片440的合成焦距为f34，其关系式为：|f2|/|f34|＝1.0029。In the fourth embodiment, the focal length of the second lens 420 is f2, and the composite focal length of the third lens 430 and the fourth lens 440 is f34, and the relationship is: |f2|/|f34|=1.0029.
第四实施例中，该第四镜片440的焦距为f4，该第五镜片450的焦距为f5，其关系式为：|f4|/|f5|＝1.0272。In the fourth embodiment, the focal length of the fourth lens 440 is f4, and the focal length of the fifth lens 450 is f5, and the relationship is: |f4|/|f5|=1.0272.
第四实施例中，该第一镜片410及该第二镜片420的合成焦距为f12，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f12|/f＝0.9423。In the fourth embodiment, the combined focal length of the first lens 410 and the second lens 420 is f12, the overall combined focal length of the five-piece imaging lens set is f, and the relationship is: |f12|/f=0.9423.
第四实施例中，该第一镜片410、该第二镜片420及该第三镜片430的合成焦距为f123，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f123|/f＝0.9006。In the fourth embodiment, the combined focal length of the first lens 410, the second lens 420, and the third lens 430 is f123, the overall combined focal length of the five-piece imaging lens set is f, and its relationship is: | f123 |/f=0.9006.
第四实施例中，成像面470影像半径为IH，该第一镜片410的物侧表面411到成像面470于光轴480上的距离为TL，其关系式为：|IH/TL|＝0.7374。In the fourth embodiment, the image radius of the imaging surface 470 is IH, and the distance from the object-side surface 411 of the first lens 410 to the imaging surface 470 on the optical axis 480 is TL, and its relational expression is: |IH/TL|=0.7374 .
第四实施例中，该五片式成像镜片组的整体合成焦距为f，该第一镜片410的物侧表面411到成像面470于光轴480上的距离为TL，其关系式为：|f/TL|＝1.1918。In the fourth embodiment, the overall synthetic focal length of the five-piece imaging lens group is f, the distance from the object-side surface 411 of the first lens 410 to the imaging surface 470 on the optical axis 480 is TL, and the relationship is: | f/TL|=1.1918.
第四实施例中，该第一镜片410的折射率为N1、该第一镜片410的阿贝数为V1、该第二镜片420的折射率为N2、该第二镜片420的阿贝数为V2，其关系式为：N1＝1.535；V1＝56；N2＝1.632；V2＝23。In the fourth embodiment, the refractive index of the first lens 410 is N1, the Abbe number of the first lens 410 is V1, the refractive index of the second lens 420 is N2, and the Abbe number of the second lens 420 is V2, its relational formula is: N1=1.535; V1=56; N2=1.632; V2=23.
第四实施例详细的结构数据如同图4C中表七所示，其非球面数据如同图4D中表八所示，其中，曲率半径、厚度及焦距的单位为公厘(mm)，且表七、八中所载的表面1、2分别为该第一镜片410的物、像侧表面411、412，表面4、5分别为该第二镜片420的物、像侧表面421、422，表面6、7分别为该第三镜片430的物、像侧表面431、432，表面8、9分别为该第四镜片440的物、像侧表面441、442，表面10、11分别为该第五镜片450的物、像侧表面451、452。The detailed structural data of the fourth embodiment is shown in Table 7 in Figure 4C, and its aspheric surface data is shown in Table 8 in Figure 4D, wherein the units of radius of curvature, thickness and focal length are millimeters (mm), and Table 7 The surfaces 1 and 2 contained in the eighth are respectively object and image side surfaces 411 and 412 of the first lens 410, surfaces 4 and 5 are respectively object and image side surfaces 421 and 422 of the second lens 420, and surface 6 , 7 are object and image side surfaces 431, 432 of the third lens 430 respectively, surfaces 8 and 9 are object and image side surfaces 441 and 442 of the fourth lens 440 respectively, and surfaces 10 and 11 are respectively the fifth lens 450 object, image side surfaces 451,452.
第五实施例fifth embodiment
本发明第五实施例所提供的一种五片式成像镜片组，请参阅图5A、5B，该图5A为本发明第五实施例的五片式成像镜片组配置示意图，图5B为本发明第五实施例像差曲线图，第五实施例从物侧A到像侧B包含：A five-piece imaging lens set provided by the fifth embodiment of the present invention, please refer to Figures 5A and 5B, the figure 5A is a schematic configuration diagram of the five-piece imaging lens set according to the fifth embodiment of the present invention, and Figure 5B is a schematic diagram of the present invention The aberration curve diagram of the fifth embodiment, the fifth embodiment includes from the object side A to the image side B:
一具正屈折力的第一镜片510，其材质为塑料，该第一镜片510的物侧表面511为凸面、该像侧表面512为凸面，该第一镜片510的物侧表面511与像侧表面512皆设为非球面。A first lens 510 with positive refractive power is made of plastic. The object side surface 511 of the first lens 510 is a convex surface, and the image side surface 512 is a convex surface. The surfaces 512 are all aspherical.
一光栏500。One light bar 500.
一具负屈折力的第二镜片520，其材质为塑料，该第二镜片520的物侧表面521为凹面、该像侧表面522为凹面，该第二镜片520的物侧表面521与像侧表面522皆设为非球面。A second lens 520 with negative refractive power is made of plastic. The object side surface 521 of the second lens 520 is concave, and the image side surface 522 is concave. The surfaces 522 are all aspherical.
一具正屈折力的第三镜片530，其材质为塑料，该第三镜片530的物侧表面531为凸面、该像侧表面532为凸面，该第三镜片530的物侧表面531与像侧表面532皆设为非球面。A third lens 530 with positive refractive power is made of plastic. The object side surface 531 of the third lens 530 is a convex surface, and the image side surface 532 is a convex surface. The surfaces 532 are all aspherical.
一具正屈折力的第四镜片540，其材质为塑料，该第四镜片540的物侧表面541为凹面、该像侧表面542为凸面，该第四镜片540的物侧表面541与像侧表面542皆设为非球面。A fourth lens 540 with positive refractive power is made of plastic. The object side surface 541 of the fourth lens 540 is concave, and the image side surface 542 is convex. The object side surface 541 of the fourth lens 540 is connected to the image side The surfaces 542 are all aspherical.
一具负屈折力第五镜片550，其材质为塑料，该第五镜片550的物侧表面551为凸面、该像侧表面552为凹面，该第五镜片550的物侧表面551与像侧表面552皆设为非球面。A fifth lens 550 with negative refractive power is made of plastic. The object side surface 551 of the fifth lens 550 is convex, and the image side surface 552 is concave. The object side surface 551 and the image side surface of the fifth lens 550 are 552 are all set as aspheric.
一红外线滤除滤光片560，其设于该第五镜片550像侧表面552与一成像面570之间，该红外线滤除滤光片560的材质为玻璃且不影响该五片式成像镜片组的焦距。An infrared filter 560 is located between the image side surface 552 of the fifth lens 550 and an imaging surface 570. The material of the infrared filter 560 is glass and does not affect the five-piece imaging lens The focal length of the group.
上述的非球面曲线的方程式表示如下：The equation of the above-mentioned aspheric curve is expressed as follows:
zz == chch 22 11 ++ [[ 11 -- (( kk ++ 11 )) cc 22 hh 22 ]] 0.50.5 ++ AhAh 44 ++ BhBh 66 ++ ChCh 88 ++ DhDh 1010 ++ EhEh 1212 ++ GhGh 1414 ++ ......
其中z为沿光轴580方向在高度为h的位置以表面顶点作参考的位置值；k为锥常度量；c为曲率半径的倒数；A、B、C、D、E、G、……为高阶非球面系数。Among them, z is the position value at the position of height h along the optical axis 580, taking the surface vertex as a reference; k is the cone constant; c is the reciprocal of the radius of curvature; A, B, C, D, E, G, ... is the high-order aspheric coefficient.
第五实施例中，该五片式成像镜片组的整体合成焦距为f，其关系式为：f＝4.10。In the fifth embodiment, the overall synthetic focal length of the five-piece imaging lens set is f, and its relationship is: f=4.10.
第五实施例中，该五片式成像镜片组的整体光圈值(f-number)为Fno，其关系式为：Fno＝2.2。In the fifth embodiment, the overall aperture value (f-number) of the five-piece imaging lens set is Fno, and its relationship is: Fno=2.2.
第五实施例中，该五片式成像镜片组的画角为2ω，其关系式为：2ω＝71.5°。In the fifth embodiment, the picture angle of the five-piece imaging lens set is 2ω, and its relationship is: 2ω=71.5°.
第五实施例中，该第一镜片510的焦距为f1，该第二镜片520的焦距为f2，其关系式为：|f1|/|f2|＝0.52295。In the fifth embodiment, the focal length of the first lens 510 is f1, the focal length of the second lens 520 is f2, and the relationship is: |f1|/|f2|=0.52295.
第五实施例中，该第一镜片510的焦距为f1，该第二镜片520及该第三镜片530的合成焦距为f23，其关系式为：|f1|/|f23|＝0.58686。In the fifth embodiment, the focal length of the first lens 510 is f1, the composite focal length of the second lens 520 and the third lens 530 is f23, and the relationship is: |f1|/|f23|=0.58686.
第五实施例中，该第二镜片520的焦距为f2，该第三镜片530及该第四镜片540的合成焦距为f34，其关系式为：|f2|/|f34|＝1.27233。In the fifth embodiment, the focal length of the second lens 520 is f2, and the composite focal length of the third lens 530 and the fourth lens 540 is f34, and the relationship is: |f2|/|f34|=1.27233.
第五实施例中，该第四镜片540的焦距为f4，该第五镜片550的焦距为f5，其关系式为：|f4|/|f5|＝1.54187。In the fifth embodiment, the focal length of the fourth lens 540 is f4, and the focal length of the fifth lens 550 is f5, and the relationship is: |f4|/|f5|=1.54187.
第五实施例中，该第一镜片510及该第二镜片520的合成焦距为f12，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f12|/f＝1.026441。In the fifth embodiment, the combined focal length of the first lens 510 and the second lens 520 is f12, the overall combined focal length of the five-piece imaging lens set is f, and the relationship is: |f12|/f=1.026441.
第五实施例中，该第一镜片510、该第二镜片520及该第三镜片530的合成焦距为f123，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f123|/f＝0.824081。In the fifth embodiment, the combined focal length of the first lens 510, the second lens 520, and the third lens 530 is f123, the overall combined focal length of the five-piece imaging lens set is f, and its relationship is: | f123 |/f=0.824081.
第五实施例中，成像面570影像半径为IH，该第一镜片510的物侧表面511到成像面570于光轴580上的距离为TL，其关系式为：|IH/TL|＝0.732。In the fifth embodiment, the image radius of the imaging surface 570 is IH, and the distance from the object-side surface 511 of the first lens 510 to the imaging surface 570 on the optical axis 580 is TL, and its relational expression is: |IH/TL|=0.732 .
第五实施例中，该五片式成像镜片组的整体合成焦距为f，该第一镜片510的物侧表面511到成像面570于光轴580上的距离为TL，其关系式为：|f/TL|＝1.125267。In the fifth embodiment, the overall synthetic focal length of the five-piece imaging lens group is f, the distance from the object-side surface 511 of the first lens 510 to the imaging surface 570 on the optical axis 580 is TL, and the relationship is: | f/TL|=1.125267.
第五实施例中，该第一镜片510的折射率为N1、该第一镜片510的阿贝数为V1、该第二镜片520的折射率为N2、该第二镜片520的阿贝数为V2，其关系式为：N1＝1.544；V1＝56；N2＝1.632；V2＝23。In the fifth embodiment, the refractive index of the first lens 510 is N1, the Abbe number of the first lens 510 is V1, the refractive index of the second lens 520 is N2, and the Abbe number of the second lens 520 is V2, its relational formula is: N1=1.544; V1=56; N2=1.632; V2=23.
第五实施例详细的结构数据如同图5C中表九所示，其非球面数据如同图5D中表十所示，其中，曲率半径、厚度及焦距的单位为公厘(mm)，且表九、十中所载的表面1、2分别为该第一镜片510的物、像侧表面511、512，表面4、5分别为该第二镜片520的物、像侧表面521、522，表面6、7分别为该第三镜片530的物、像侧表面531、532，表面8、9分别为该第四镜片540的物、像侧表面541、542，表面10、11分别为该第五镜片550的物、像侧表面551、552。The detailed structural data of the fifth embodiment is shown in Table 9 in Figure 5C, and its aspheric surface data is shown in Table 10 in Figure 5D, wherein the units of the radius of curvature, thickness and focal length are millimeters (mm), and Table 9 The surfaces 1 and 2 in 10 are respectively the object and image side surfaces 511 and 512 of the first lens 510, the surfaces 4 and 5 are respectively the object and image side surfaces 521 and 522 of the second lens 520, and surface 6 , 7 are object and image side surfaces 531, 532 of the third lens 530 respectively, surfaces 8 and 9 are object and image side surfaces 541 and 542 of the fourth lens 540 respectively, and surfaces 10 and 11 are respectively the fifth lens 550 object, image side surfaces 551,552.
第六实施例Sixth embodiment
本发明第六实施例所提供的一种五片式成像镜片组，请参阅图6A、6B，该图6A为本发明第六实施例的五片式成像镜片组配置示意图，图6B为本发明第六实施例像差曲线图，第六实施例从物侧A到像侧B包含：A five-piece imaging lens set provided by the sixth embodiment of the present invention, please refer to Figures 6A and 6B. Figure 6A is a schematic configuration diagram of the five-piece imaging lens set according to the sixth embodiment of the present invention, and Figure 6B is a schematic diagram of the present invention The aberration graph of the sixth embodiment, the sixth embodiment includes from the object side A to the image side B:
一光栏600。One light bar 600.
一具正屈折力的第一镜片610，其材质为塑料，该第一镜片610的物侧表面611为凸面、该像侧表面612为凸面，该第一镜片610的物侧表面611与像侧表面612皆设为非球面。A first lens 610 with positive refractive power is made of plastic. The object side surface 611 of the first lens 610 is convex, and the image side surface 612 is convex. The object side surface 611 of the first lens 610 is connected to the image side The surfaces 612 are all aspherical.
一具负屈折力的第二镜片620，其材质为塑料，该第二镜片620的物侧表面621为凹面、该像侧表面622为凹面，该第二镜片620的物侧表面621与像侧表面622皆设为非球面。A second lens 620 with negative refractive power is made of plastic. The object side surface 621 of the second lens 620 is concave, and the image side surface 622 is concave. The object side surface 621 of the second lens 620 is connected to the image side The surfaces 622 are all aspherical.
一具负屈折力的第三镜片630，其材质为塑料，该第三镜片630的物侧表面631为凹面、该像侧表面632为凸面，该第三镜片630的物侧表面631与像侧表面632皆设为非球面。A third lens 630 with negative refractive power is made of plastic. The object side surface 631 of the third lens 630 is concave, and the image side surface 632 is convex. The object side surface 631 of the third lens 630 and the image side The surfaces 632 are all aspherical.
一具正屈折力的第四镜片640，其材质为塑料，该第四镜片640的物侧表面641为凹面、该像侧表面642为凸面，该第四镜片640的物侧表面641与像侧表面642皆设为非球面。A fourth lens 640 with positive refractive power is made of plastic. The object side surface 641 of the fourth lens 640 is concave, and the image side surface 642 is convex. The object side surface 641 of the fourth lens 640 is connected to the image side The surfaces 642 are all aspherical.
一具负屈折力第五镜片650，其材质为塑料，该第五镜片650的物侧表面651为凹面、该像侧表面652为凹面，该第五镜片650的物侧表面651与像侧表面652皆设为非球面。A fifth lens 650 with negative refractive power is made of plastic. The object side surface 651 of the fifth lens 650 is concave, and the image side surface 652 is concave. The object side surface 651 of the fifth lens 650 and the image side surface 652 are all set as aspheric.
一红外线滤除滤光片660，其设于该第五镜片650像侧表面652与一成像面670之间，该红外线滤除滤光片660的材质为玻璃且不影响该五片式成像镜片组的焦距。An infrared filter filter 660 is located between the image side surface 652 of the fifth lens 650 and an imaging surface 670. The material of the infrared filter filter 660 is glass and does not affect the five-piece imaging lens The focal length of the group.
上述的非球面曲线的方程式表示如下：The equation of the above-mentioned aspheric curve is expressed as follows:
zz == chch 22 11 ++ [[ 11 -- (( kk ++ 11 )) cc 22 hh 22 ]] 0.50.5 ++ AhAh 44 ++ BhBh 66 ++ ChCh 88 ++ DhDh 1010 ++ EhEh 1212 ++ GhGh 1414 ++ ......
其中z为沿光轴680方向在高度为h的位置以表面顶点作参考的位置值；k为锥常度量；c为曲率半径的倒数；A、B、C、D、E、G、……为高阶非球面系数。Among them, z is the position value at the position of height h along the optical axis 680, taking the surface vertex as a reference; k is the cone constant; c is the reciprocal of the radius of curvature; A, B, C, D, E, G, ... is the high-order aspheric coefficient.
第六实施例中，该五片式成像镜片组的整体合成焦距为f，其关系式为：f＝3.29。In the sixth embodiment, the overall composite focal length of the five-piece imaging lens set is f, and its relationship is: f=3.29.
第六实施例中，该五片式成像镜片组的整体光圈值(f-number)为Fno，其关系式为：Fno＝2.4。In the sixth embodiment, the overall aperture value (f-number) of the five-piece imaging lens set is Fno, and its relationship is: Fno=2.4.
第六实施例中，该五片式成像镜片组的画角为2ω，其关系式为：2ω＝72°。In the sixth embodiment, the picture angle of the five-piece imaging lens set is 2ω, and its relationship is: 2ω=72°.
第六实施例中，该第一镜片610的焦距为f1，该第二镜片120的焦距为f2，其关系式为：|f1|/|f2|＝0.4409。In the sixth embodiment, the focal length of the first lens 610 is f1, the focal length of the second lens 120 is f2, and the relationship is: |f1|/|f2|=0.4409.
第六实施例中，该第一镜片610的焦距为f1，该第二镜片620及该第三镜片630的合成焦距为f23，其关系式为：|f1|/|f23|＝0.59426。In the sixth embodiment, the focal length of the first lens 610 is f1, and the combined focal length of the second lens 620 and the third lens 630 is f23, and the relationship is: |f1|/|f23|=0.59426.
第六实施例中，该第二镜片620的焦距为f2，该第三镜片630及该第四镜片640的合成焦距为f34，其关系式为：|f2|/|f34|＝2.38843。In the sixth embodiment, the focal length of the second lens 620 is f2, the combined focal length of the third lens 630 and the fourth lens 640 is f34, and the relationship is: |f2|/|f34|=2.38843.
第六实施例中，该第四镜片640的焦距为f4，该第五镜片650的焦距为f5，其关系式为：|f4|/|f5|＝1.12698。In the sixth embodiment, the focal length of the fourth lens 640 is f4, the focal length of the fifth lens 650 is f5, and the relationship is: |f4|/|f5|=1.12698.
第六实施例中，该第一镜片610及该第二镜片620的合成焦距为f12，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f12|/f＝0.981891。In the sixth embodiment, the combined focal length of the first lens 610 and the second lens 620 is f12, the overall combined focal length of the five-piece imaging lens set is f, and the relationship is: |f12|/f=0.981891.
第六实施例中，该第一镜片610、该第二镜片620及该第三镜片630的合成焦距为f123，该五片式成像镜片组的整体合成焦距为f，其关系式为：|f123|/f＝1.174148。In the sixth embodiment, the combined focal length of the first lens 610, the second lens 620, and the third lens 630 is f123, the overall combined focal length of the five-piece imaging lens set is f, and its relationship is: | f123 |/f=1.174148.
第六实施例中，成像面670影像半径为IH，该第一镜片610的物侧表面611到成像面670于光轴680上的距离为TL，其关系式为：|IH/TL|＝0.6283。In the sixth embodiment, the image radius of the imaging surface 670 is IH, the distance from the object-side surface 611 of the first lens 610 to the imaging surface 670 on the optical axis 680 is TL, and the relational formula is: |IH/TL|=0.6283 .
第六实施例中，该五片式成像镜片组的整体合成焦距为f，该第一镜片610的物侧表面611到成像面670于光轴680上的距离为TL，其关系式为：|f/TL|＝0.844369。In the sixth embodiment, the overall synthetic focal length of the five-piece imaging lens group is f, the distance from the object-side surface 611 of the first lens 610 to the imaging surface 670 on the optical axis 680 is TL, and the relationship is: | f/TL|=0.844369.
第六实施例中，该第一镜片610的折射率为N1、该第一镜片610的阿贝数为V1、该第二镜片620的折射率为N2、该第二镜片620的阿贝数为V2，其关系式为：N1＝1.544；V1＝56；N2＝1.634；V2＝23.9。In the sixth embodiment, the refractive index of the first lens 610 is N1, the Abbe number of the first lens 610 is V1, the refractive index of the second lens 620 is N2, and the Abbe number of the second lens 620 is V2, its relational formula is: N1=1.544; V1=56; N2=1.634; V2=23.9.
第六实施例详细的结构数据如同图6C中表十一所示，其非球面数据如同图6D中表十二所示，其中，曲率半径、厚度及焦距的单位为公厘(mm)，且表十一、十二中所载的表面2、3分别为该第一镜片610的物、像侧表面611、612，表面4、5分别为该第二镜片620的物、像侧表面621、622，表面6、7分别为该第三镜片630的物、像侧表面631、632，表面8、9分别为该第四镜片640的物、像侧表面641、642，表面10、11分别为该第五镜片650的物、像侧表面651、652。The detailed structural data of the sixth embodiment is shown in Table 11 in Figure 6C, and its aspheric surface data is shown in Table 12 in Figure 6D, wherein the units of the radius of curvature, thickness and focal length are millimeters (mm), and Surfaces 2 and 3 listed in Tables 11 and 12 are respectively the object and image side surfaces 611 and 612 of the first lens 610, and surfaces 4 and 5 are respectively the object and image side surfaces 621 and 612 of the second lens 620. 622, surfaces 6 and 7 are object and image side surfaces 631 and 632 of the third lens 630 respectively, surfaces 8 and 9 are object and image side surfaces 641 and 642 of the fourth lens 640 respectively, and surfaces 10 and 11 are respectively The object and image side surfaces 651 , 652 of the fifth lens 650 .
值得说明的是，图1C中的表一、图1D中的表二、图2C中的表三、图2D中的表四、图3C中的表五、图3D中的表六、图4C中的表七、图4D中的表八、图5C中的表九、图5D中的表十、图6C中的表十一、图6D中的表十二为本发明的五片式成像镜片组各实施例的不同数值变化表，然本发明各实施例的数值变化皆属实验所得，即使使用不同数值，相同结构的产品仍属于本发明的保护范畴。图7中的表十三为各实施例中各关系式的对应表。It is worth noting that Table 1 in Figure 1C, Table 2 in Figure 1D, Table 3 in Figure 2C, Table 4 in Figure 2D, Table 5 in Figure 3C, Table 6 in Figure 3D, and Table 4C Table 7, Table 8 in Figure 4D, Table 9 in Figure 5C, Table 10 in Figure 5D, Table 11 in Figure 6C, and Table 12 in Figure 6D are five-piece imaging lens groups of the present invention The table of different numerical changes of each embodiment, however, the numerical changes of each embodiment of the present invention are all experimental results, even if different numerical values are used, products with the same structure still belong to the protection category of the present invention. Table 13 in FIG. 7 is a table corresponding to each relational expression in each embodiment.
本发明五片式成像镜片组中，各镜片的材质可为玻璃或塑料，若各镜片的材质为玻璃，则可以增加该五片式成像镜片组屈折力配置的自由度，若各镜片材质为塑料，则可以有效降低生产成本。In the five-piece imaging lens set of the present invention, the material of each lens can be glass or plastic. If the material of each lens is glass, the degree of freedom in the configuration of the refractive power of the five-piece imaging lens set can be increased. If the material of each lens is Plastics can effectively reduce production costs.
本发明五片式成像镜片组中，若镜片表面是为凸面，则表示该镜片表面于近光轴处为凸面；若镜片表面是为凹面，则表示该镜片表面于近光轴处为凹面。In the five-piece imaging lens set of the present invention, if the lens surface is convex, it means that the lens surface is convex at the near optical axis; if the lens surface is concave, it means that the lens surface is concave at the near optical axis.