TW202234112A - Optical imaging system, acquisition module and electronic device - Google Patents
Optical imaging system, acquisition module and electronic device Download PDFInfo
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- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
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本申請涉及光學成像技術領域,具體涉及一種光學成像系統、取像模組及電子裝置。The present application relates to the technical field of optical imaging, and in particular, to an optical imaging system, an imaging module and an electronic device.
目前所使用的一種電子設備例如條碼讀取器鏡頭(bar code lens),由兩片鏡片組成,從物側至像側依次排列為光圈、第一鏡片(Lens)及第二鏡片(Lens),此鏡片皆為玻璃鏡片,光學性能較好,但成本較高;而選用塑膠鏡片雖可降低成本,但光學性能較差,從而使得成像品質不能滿足需求。An electronic device currently used, such as a bar code lens, consists of two lenses, which are sequentially arranged from the object side to the image side as an aperture, a first lens (Lens) and a second lens (Lens), These lenses are all glass lenses, with good optical performance, but high cost; while the choice of plastic lenses can reduce the cost, but the optical performance is poor, so that the imaging quality cannot meet the demand.
鑒於上述狀況,有必要提供一種光學成像系統、取像模組及電子裝置,以解決上述問題。In view of the above situation, it is necessary to provide an optical imaging system, an imaging module and an electronic device to solve the above problems.
本申請的實施例提供了一種光學成像系統,由物側到像側依次包括光闌、具有負屈折力的第一鏡片及具有負屈折力的第二鏡片,所述光學成像系統滿足以下條件式:25<v1-v2<26.5;其中,v1為所述第一透鏡的色散係數,v2為所述第二透鏡的色散係數。An embodiment of the present application provides an optical imaging system, which sequentially includes a diaphragm, a first lens with negative refractive power, and a second lens with negative refractive power from the object side to the image side, and the optical imaging system satisfies the following conditional formula : 25<v1-v2<26.5; wherein, v1 is the dispersion coefficient of the first lens, and v2 is the dispersion coefficient of the second lens.
上述的光學成像系統中第一鏡片與第二鏡片的色散係數滿足上述關係式時,能夠有效地修正光學成像系統的色差,提高光學成像系統的成像清晰度,從而提升光學成像系統的成像品質。When the dispersion coefficients of the first lens and the second lens in the above-mentioned optical imaging system satisfy the above relationship, the chromatic aberration of the optical imaging system can be effectively corrected, the imaging clarity of the optical imaging system can be improved, and the imaging quality of the optical imaging system can be improved.
本申請的實施例還提出了一種取像模組,包括:上述的光學成像系統;及感光元件,所述感光元件設置在所述光學成像系統的像側。The embodiments of the present application also provide an image capturing module, including: the above-mentioned optical imaging system; and a photosensitive element, and the photosensitive element is arranged on the image side of the optical imaging system.
本申請的實施例還提出了一種電子裝置,包括:殼體;及如上述的取像模組,所述取像模組安裝在所述殼體上。The embodiments of the present application further provide an electronic device, including: a casing; and the above-mentioned imaging module, wherein the imaging module is mounted on the casing.
請參見圖1,本申請的實施例提出了一種光學成像系統10,從物側至像側依次包括光闌STO、具有負屈折力的第一鏡片L1及具有負屈折力的第二鏡片L2。第一透鏡L1具有物側面S3與像側面S4,第二透鏡L2具有物側面S5與像側面S6。所述第一鏡片L1與所述第二鏡片L2的材質可以為塑膠。Referring to FIG. 1 , an embodiment of the present application proposes an
所述光學成像系統滿足以下條件式:25<v1-v2<26.5;其中,v1為所述第一透鏡L1的色散係數,v2為所述第二透鏡L2的色散係數。The optical imaging system satisfies the following conditional formula: 25<v1-v2<26.5; wherein, v1 is the dispersion coefficient of the first lens L1, and v2 is the dispersion coefficient of the second lens L2.
上述的光學成像系統中第一鏡片L1與第二鏡片L2的色散係數滿足上述關係式時,能夠有效的校正像差,光學性能較好,成像品質較佳。另外,第一鏡片L1與第二鏡片L2的材質均為塑膠,則生產成本較低。When the dispersion coefficients of the first lens L1 and the second lens L2 in the above-mentioned optical imaging system satisfy the above relationship, aberrations can be corrected effectively, the optical performance is better, and the imaging quality is better. In addition, the materials of the first lens L1 and the second lens L2 are both plastic, so the production cost is low.
在一實施例中,所述光學成像系統10滿足條件式:1.3<TL1/f<1.7;其中,TL1為第一透鏡L1的物側面S3至所述光學成像系統10的成像面IMA在光軸上的距離,f為所述光學成像系統10的有效焦距。滿足上述條件式時,有利於壓縮所述光學成像系統10的總長,且可保證較佳的成像品質。In one embodiment, the
在一些實施例中,所述光學成像系統10滿足條件式:0.6<TL2/f<0.9;
其中,TL2為所述第二透鏡L2的物側面S5至所述光學成像系統10的成像面IMA在光軸上的距離,f為所述光學成像系統10的有效焦距。滿足上述條件式時,有利於壓縮所述光學成像系統10的總長,且可保證較佳的成像品質。
In some embodiments, the
在一些實施例中,光學成像系統10滿足關係式1.4<Imgh/EPD<1.65;其中,Imgh為所述光學成像系統10的最大視場角所對應的像高的一半,EPD為所述光學成像系統10的入瞳直徑。藉由滿足上述條件式,有利於保證大靶面成像時成像面IMA亮度的提升。當超過條件式的上限,則光學成像系統10入瞳直徑較小,則縮小了光學成像系統10射入的光線束寬度,不利於成像面IMA亮度的提升;當超過條件式的下限,則光學成像系統10的成像面面積較小,會縮小光學成像系統10的視場角範圍。In some embodiments, the
在一些實施例中,光學成像系統10滿足關係式:3<TTL/Imgh<4.5;
其中,TTL為所述光學成像系統10的光學總長,Imgh為所述光學成像系統10的最大視場角所對應的像高的一半。滿足上述關係式,可以使得光學成像系統10具有超薄的特性,實現小型化的要求。然而,當TTL/Imgh不滿足上述關係式時,光學成像系統10的總長較大,不利於實現小型化的要求。
In some embodiments, the
一實施例中,光學成像系統10滿足條件式16°/mm<FOV/f<24°/mm;其中,FOV為所述光學成像系統10的最大視場角,f為所述光學成像系統10的有效焦距。如此,能夠有效控制光學成像系統10在滿足合適的有效焦距的條件下,達到短總長的目的,滿足光學成像系統10的輕薄化的需求。In one embodiment, the
在一實施例中,光學成像系統10滿足條件式:0.05<T12/TTL<0.15;
其中,T12為所述第一透鏡L1的像側面S3至所述第二透鏡L2的物側面S5在光軸上的距離,TTL為所述光學成像系統10的光學總長。滿足上述條件式時,有利於壓縮所述光學成像系統10的總長,且可保證較佳的成像品質。
In one embodiment, the
在一些實施例中,光學成像系統10還包括濾光片L3,濾光片L3具有物側面S7與像側面S8,濾光片L3設置在第二透鏡L2的像側,濾光片L3可以為紅外濾光片,以濾除例如可見光等其他波段的光線,而僅讓紅外光穿過,以使光學成像系統10能夠在昏暗的環境及其他特殊的應用場景下也能成像。可以理解地,濾光片L3的材質可為塑膠,也可為玻璃。In some embodiments, the
在一些實施例中,光學成像系統10還包括保護玻璃L4,保護玻璃L4具有物側面S9與像側面S10,以阻隔外界異物例如水汽或灰塵進入光學成像系統10內部,從而影響成像品質。In some embodiments, the
第一實施例first embodiment
請繼續參見圖1,本實施例中的光學成像系統10中,從物側至像側包括光闌STO、具有負屈折力的第一透鏡L1、具有負屈折力的第二透鏡L2、濾光片L3及保護玻璃L4。Please continue to refer to FIG. 1 , the
所述第一透鏡L1的物側面S3在近光軸處為平面,所述第一透鏡L1的像側面S4在近光軸處為凸面。所述第二透鏡L2的物側面S5在近光軸處為凹面,所述第二透鏡L2的像側面S6在近光軸處為凹面。The object side S3 of the first lens L1 is a plane at the near optical axis, and the image side S4 of the first lens L1 is a convex surface at the near optical axis. The object side S5 of the second lens L2 is concave at the near optical axis, and the image side S6 of the second lens L2 is concave at the near optical axis.
當光學成像系統10用於成像時,被攝物發出或反射的光線從物側方向進入光學成像系統10,並依次穿過光闌STO、第一透鏡L1、第二透鏡L2、濾光片L3及保護玻璃L4,最終彙聚到成像面IMA上。When the
表1示出了光學成像系統10的特性,f為光學成像系統10的有效焦距,FOV為光學成像系統10的視場角,有效焦距、折射率及阿貝數的參考波長為555nm,曲率半徑、厚度、淨口徑及機械半直徑的單位均為毫米。Table 1 shows the characteristics of the
表1
表2
需要說明的是,光學成像系統10的第一透鏡L1與第二透鏡L2的物側面與像側面均為非球面,各非球面的表面對應的圓錐常數k與非球面係數如表格2所示,對於這些非球面的表面,非球面表面的非球面方程為:
It should be noted that the object side surface and the image side surface of the first lens L1 and the second lens L2 of the
其中,Z表示透鏡面中與Z軸平行的高度,r表示從頂點起的徑向距離,c表示頂點處表面的曲率,k表示圓錐常數,K2、K4、K6、K8、K10、K12分別表示2階、4階、6階、8階、10階、12階對應階次的非球面係數。Among them, Z represents the height parallel to the Z axis in the lens surface, r represents the radial distance from the vertex, c represents the curvature of the surface at the vertex, k represents the conic constant, K2, K4, K6, K8, K10, K12 represent respectively The aspheric coefficients of the corresponding orders of the 2nd, 4th, 6th, 8th, 10th, and 12th orders.
圖2為本實施例中的光學成像系統10的類比MTF對視場角性能資料圖。其中,橫坐標表示Y場偏移角度,即光學系統100的視場相對於光軸所成的角度,單位為度;縱坐標表示OTF係數;S1與T1表示空間頻率為57cyc/mm下的曲線,S2與T3表示空間頻率為114cyc/mm下的曲線;且S1與T1分別表示空間頻率為57cyc /mm下,S方向與T方向的曲線;其中,曲線S1與T1為較低頻率下的曲線,能夠反映光學系統100的反差特性,而曲線S2與T2為較高頻率下的曲線,能夠反映光學系統100的解析度特性。S1與T1表示空間頻率為139p/mm下的曲線,能夠反映光學系統100的反差特性及解析度特性。FIG. 2 is a data graph of the analog MTF versus field angle performance of the
圖3由左至右依次為本實施例中光學成像系統10的場曲曲線圖及畸變曲線圖,參考波長為555nm。FIG. 3 is a field curvature graph and a distortion graph of the
由圖2與圖3的曲線可得知,光學成像系統10弧矢場曲值及子午場曲值被控制在-0.1mm~0.1mm之間,透鏡的製作更容易,降低製作成本;光學成像系統10的畸變被控制在0~20%以內,即光學成像系統10所成圖像的變形較小。由此,光學成像系統100反映類比MTF上有良好的數值,光學成像系統10具備良好的成像性能。It can be seen from the curves in Fig. 2 and Fig. 3 that the curvature value of the sagittal field and the curvature value of the meridional field of the
第二實施例Second Embodiment
請參見圖4,本實施例中的光學成像系統10中,從物側至像側包括光闌STO、具有負屈折力的第一透鏡L1、具有負屈折力的第二透鏡L2、濾光片L3及保護玻璃L4。Referring to FIG. 4 , the
所述第一透鏡L1的物側面S3在近光軸處為平面,所述第一透鏡L1的像側面S4在近光軸處為凸面。所述第二透鏡L2的物側面S5在近光軸處為凹面,所述第二透鏡L2的像側面S6在近光軸處為凹面。The object side S3 of the first lens L1 is a plane at the near optical axis, and the image side S4 of the first lens L1 is a convex surface at the near optical axis. The object side S5 of the second lens L2 is concave at the near optical axis, and the image side S6 of the second lens L2 is concave at the near optical axis.
當光學成像系統10用於成像時,被攝物發出或反射的光線從物側方向進入光學成像系統10,並依次穿過光闌STO、第一透鏡L1、第二透鏡L2、濾光片L3及保護玻璃L4,最終彙聚到成像面IMA上。When the
表3示出了本實施例的光學成像系統10的特性,f為光學成像系統10的有效焦距,FOV為光學成像系統10的視場角,有效焦距、折射率及阿貝數的參考波長為555nm,曲率半徑、厚度、淨口徑及機械半直徑的單位均為毫米(mm)。Table 3 shows the characteristics of the
表3
表4
圖5為光學成像系統10的類比MTF對視場角性能資料圖。其中,橫坐標表示Y場偏移角度,即光學系統100的視場相對於光軸所成的角度,單位為度;縱坐標表示OTF係數;S1與T1表示空間頻率為57cyc/mm下的曲線,S2與T3表示空間頻率為114cyc/mm下的曲線;且S1與T1分別表示空間頻率為57cyc /mm下,S方向與T方向的曲線;曲線S1與T1為較低頻率下的曲線,能夠反映光學系統100的反差特性,而曲線S2與T2為較高頻率下的曲線,能夠反映光學系統100的解析度特性。S1與T1表示空間頻率為139p/mm下的曲線,能夠反映光學系統100的反差特性及解析度特性。FIG. 5 is a graph of the analog MTF versus field angle performance data of the
圖6由左至右依次為本實施例中光學成像系統10的場曲曲線圖及畸變曲線圖,參考波長為555nm。FIG. 6 is a field curvature graph and a distortion graph of the
由圖5與圖6的曲線可得知,光學成像系統10弧矢場曲值及子午場曲值被控制在-0.1mm~0.1mm之間,透鏡的製作更容易,降低製作成本;光學成像系統10的畸變被控制在0~20%以內,即光學成像系統10所成圖像的變形較小。由此,光學成像系統100反映類比MTF上有良好的數值,光學成像系統10具備良好的成像性能。It can be seen from the curves in FIGS. 5 and 6 that the sag and meridional field curvature values of the
第三實施例Third Embodiment
請參見圖7,本實施例中的光學成像系統10中,從物側至像側包括光闌STO、具有負屈折力的第一透鏡L1、具有負屈折力的第二透鏡L2、濾光片L3及保護玻璃L4。Referring to FIG. 7 , the
所述第一透鏡L1的物側面S3在近光軸處為平面,所述第一透鏡L1的像側面S4在近光軸處為凸面。所述第二透鏡L2的物側面S5在近光軸處為凹面,所述第二透鏡L2的像側面S6在近光軸處為凹面。The object side S3 of the first lens L1 is a plane at the near optical axis, and the image side S4 of the first lens L1 is a convex surface at the near optical axis. The object side S5 of the second lens L2 is concave at the near optical axis, and the image side S6 of the second lens L2 is concave at the near optical axis.
當光學成像系統10用於成像時,被攝物發出或反射的光線從物側方向進入光學成像系統10,並依次穿過光闌STO、第一透鏡L1、第二透鏡L2、濾光片L3及保護玻璃L4,最終彙聚到成像面IMA上。When the
表5示出了本實施例的光學成像系統10的特性,f為光學成像系統10的有效焦距,FOV為光學成像系統10的視場角,有效焦距、折射率及阿貝數的參考波長為555nm,曲率半徑、厚度、淨口徑及機械半直徑的單位均為毫米(mm)。Table 5 shows the characteristics of the
表5
表6
圖8為本實施例中的光學成像系統10的類比MTF對視場角性能資料圖。橫坐標表示Y場偏移角度,即光學系統100的視場相對於光軸所成的角度,單位為度;縱坐標表示OTF係數;S1與T1表示空間頻率為57cyc/mm下的曲線,S2與T3表示空間頻率為114cyc/mm下的曲線;且S1與T1分別表示空間頻率為57cyc /mm下,S方向與T方向的曲線;其中,曲線S1與T1為較低頻率下的曲線,能夠反映光學系統100的反差特性,而曲線S2與T2為較高頻率下的曲線,能夠反映光學系統100的解析度特性。S1與T1表示空間頻率為139p/mm下的曲線,能夠反映光學系統100的反差特性及解析度特性。FIG. 8 is a data graph of the analog MTF versus field angle performance of the
圖9由左至右依次為本實施例中光學成像系統10的場曲曲線圖及畸變曲線圖,參考波長為555nm。FIG. 9 is a field curvature graph and a distortion graph of the
由圖8與圖9的曲線可得知,光學成像系統10弧矢場曲值及子午場曲值被控制在-0.1mm~0.1mm之間,透鏡的製作更容易,降低製作成本;光學成像系統10的畸變被控制在0~20%以內,即光學成像系統10所成圖像的變形較小。由此,光學成像系統100反映類比MTF上有良好的數值,光學成像系統10具備良好的成像性能。It can be seen from the curves in FIG. 8 and FIG. 9 that the curvature value of the sagittal field and the curvature value of the meridional field of the
實施例四Embodiment 4
請參見圖10,本實施例中的光學成像系統10中,從物側至像側包括光闌STO、具有負屈折力的第一透鏡L1、具有負屈折力的第二透鏡L2、濾光片L3及保護玻璃L4。Referring to FIG. 10 , the
所述第一透鏡L1的物側面S3在近光軸處為平面,所述第一透鏡L1的像側面S4在近光軸處為凸面。所述第二透鏡L2的物側面S5在近光軸處為凹面,所述第二透鏡L2的像側面S6在近光軸處為凹面。The object side S3 of the first lens L1 is a plane at the near optical axis, and the image side S4 of the first lens L1 is a convex surface at the near optical axis. The object side S5 of the second lens L2 is concave at the near optical axis, and the image side S6 of the second lens L2 is concave at the near optical axis.
當光學成像系統10用於成像時,被攝物發出或反射的光線從物側方向進入光學成像系統10,並依次穿過光闌STO、第一透鏡L1、第二透鏡L2、濾光片L3及保護玻璃L4,最終彙聚到成像面IMA上。When the
表7示出了本實施例的光學成像系統10的特性,f為光學成像系統10的有效焦距,FOV為光學成像系統10的視場角,有效焦距、折射率及阿貝數的參考波長為555nm,曲率半徑、厚度、淨口徑及機械半直徑的單位均為毫米(mm)。Table 7 shows the characteristics of the
表7
表8
圖11為本實施例中的光學成像系統10的類比MTF對視場角性能資料圖。橫坐標表示Y場偏移角度,即光學系統100的視場相對於光軸所成的角度,單位為度;縱坐標表示OTF係數;S1與T1表示空間頻率為57cyc/mm下的曲線,S2與T3表示空間頻率為114cyc/mm下的曲線;且S1與T1分別表示空間頻率為57cyc/mm下,S方向與T方向的曲線;其中,曲線S1與T1為較低頻率下的曲線,能夠反映光學系統100的反差特性,而曲線S2與T2為較高頻率下的曲線,能夠反映光學系統100的解析度特性。S1與T1表示空間頻率為139p/mm下的曲線,能夠反映光學系統100的反差特性及解析度特性。FIG. 11 is a graph showing the performance of the
圖12由左至右依次為本實施例中光學成像系統10的場曲曲線圖及畸變曲線圖,參考波長為555nm。FIG. 12 is a field curvature graph and a distortion graph of the
由圖11與圖12的曲線可得知,光學成像系統10弧矢場曲值及子午場曲值被控制在-0.1mm~0.1mm之間,透鏡的製作更容易,降低製作成本;光學成像系統10的畸變被控制在0~20%以內,即光學成像系統10所成圖像的變形較小。由此,光學成像系統100反映類比MTF上有良好的數值,光學成像系統10具備良好的成像性能。It can be seen from the curves in FIG. 11 and FIG. 12 that the sagittal field curvature and the meridional field curvature of the
表9示出了第一實施例至第四實施例的光學成像系統中v1-v2、TL1/f、TL2/f、Imgh/EPD、TTL/Imgh、FOV/f及T12/TTL的值。Table 9 shows the values of v1-v2, TL1/f, TL2/f, Imgh/EPD, TTL/Imgh, FOV/f, and T12/TTL in the optical imaging systems of the first to fourth embodiments.
表9
請參見圖13,本申請實施例的光學成像系統10可應用於本申請實施例的取像模組100。取像模組100包括感光元件20及上述任一實施例的光學成像系統10。感光元件20設置在光學成像系統10的像側。Referring to FIG. 13 , the
感光元件20可以採用互補金屬氧化物半導體(MMOS,Complementary Metal Oxide Semiconductor)影像感測器或者電荷耦合組件(CCD,Charge-coupled Device)。The
上述的取像模組100中的光學成像系統中,第一鏡片L1與第二鏡片L2的色散係數滿足上述關係式時,能夠有效的校正像差,光學性能較好,成像品質較佳。另外,第一鏡片L1與第二鏡片L2的材質均為塑膠,生產成本較低。In the above-mentioned optical imaging system in the
請參見圖14,本申請實施例的取像模組100可應用於本申請實施例的電子裝置200。電子裝置200包括殼體210及取像模組100,取像模組100安裝在殼體210上。Referring to FIG. 14 , the
本申請實施例的電子裝置200包括但不限於為行車記錄儀、智慧手機、平板電腦、筆記型電腦、電子書籍閱讀器、便攜多媒體播放機(PMP)、便攜電話機、視頻電話機、數碼靜物相機、移動醫療裝置、可穿戴式設備、智慧門鈴偵測裝置,智慧家電偵測裝置等支援成像的電子裝置。The
上述的電子裝置200中的光學成像系統中,第一鏡片L1與第二鏡片L2的色散係數滿足上述關係式時,能夠有效的校正像差,光學性能較好,成像品質較佳。另外,第一鏡片L1與第二鏡片L2的材質均為塑膠,生產成本較低。In the above-mentioned optical imaging system of the
綜上所述,本發明符合發明專利要件,爰依法提出專利申請。惟,以上所述者僅為本發明之較佳實施例,舉凡熟悉本案技藝之人士,在爰依本發明精神所作之等效修飾或變化,皆應涵蓋於以下之如申請專利範圍內。To sum up, the present invention complies with the requirements of an invention patent, and a patent application can be filed in accordance with the law. However, the above descriptions are only preferred embodiments of the present invention, and for those who are familiar with the art of the present case, equivalent modifications or changes made in accordance with the spirit of the present invention should all be included within the scope of the following claims.
L1:第一透鏡 L2:第二透鏡 L3:濾光片 L4:保護玻璃 STO:光闌 IMA:成像面 S3、S5、S7、S9:物側面 S4、S6、S8、S10:像側面 10:光學成像系統 20:感光元件 100:取像模組 200:電子裝置 210:殼體 L1: first lens L2: Second lens L3: Filter L4: Protective glass STO: diaphragm IMA: Imaging plane S3, S5, S7, S9: Object side S4, S6, S8, S10: Like the side 10: Optical imaging system 20: Photosensitive element 100: Acquisition module 200: Electronics 210: Shell
圖1為本申請第一實施例的光學成像系統的結構圖。FIG. 1 is a structural diagram of an optical imaging system according to a first embodiment of the present application.
圖2為本申請第一實施例的光學成像系統的類比MTF對視場角性能資料圖。FIG. 2 is a data diagram showing the performance of the optical imaging system according to the first embodiment of the present application with respect to the viewing angle by an analog MTF.
圖3為本申請第一實施例的光學成像系統的場曲及畸變曲線圖。FIG. 3 is a field curvature and distortion curve diagram of the optical imaging system according to the first embodiment of the present application.
圖4為本申請第二實施例的光學成像系統的結構圖。FIG. 4 is a structural diagram of an optical imaging system according to a second embodiment of the present application.
圖5為本申請第二實施例的光學成像系統的類比MTF對視場角性能資料圖。FIG. 5 is a graph showing the performance of the analog MTF versus the viewing angle of the optical imaging system according to the second embodiment of the present application.
圖6為本申請第二實施例的光學成像系統的場曲及畸變曲線圖。FIG. 6 is a field curvature and distortion curve diagram of the optical imaging system according to the second embodiment of the present application.
圖7為本申請第三實施例的光學成像系統的結構圖。FIG. 7 is a structural diagram of an optical imaging system according to a third embodiment of the present application.
圖8為本申請第三實施例的光學成像系統的類比MTF對視場角性能資料圖。FIG. 8 is a graph showing the performance of the analog MTF versus the viewing angle of the optical imaging system according to the third embodiment of the present application.
圖9為本申請第三實施例的光學成像系統的場曲及畸變曲線圖。FIG. 9 is a field curvature and distortion curve diagram of the optical imaging system according to the third embodiment of the present application.
圖10為本申請第三實施例的光學成像系統的結構圖。FIG. 10 is a structural diagram of an optical imaging system according to a third embodiment of the present application.
圖11為本申請第三實施例的光學成像系統的類比MTF對視場角性能資料圖。FIG. 11 is a graph showing the performance of the analog MTF versus the viewing angle of the optical imaging system according to the third embodiment of the present application.
圖12為本申請第三實施例的光學成像系統的場曲及畸變曲線圖。FIG. 12 is a field curvature and distortion curve diagram of the optical imaging system according to the third embodiment of the present application.
圖13為本申請實施例的取像模組的結構示意圖。FIG. 13 is a schematic structural diagram of an image capturing module according to an embodiment of the present application.
圖14為本申請實施例的電子裝置的結構示意圖。FIG. 14 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
無。none.
L1:第一透鏡 L1: first lens
L2:第二透鏡 L2: Second lens
L3:濾光片 L3: Filter
L4:保護玻璃 L4: Protective glass
STO:光闌 STO: diaphragm
IMA:成像面 IMA: Imaging plane
S3、S5、S7、S9:物側面 S3, S5, S7, S9: Object side
S4、S6、S8、S10:像側面 S4, S6, S8, S10: Like the side
10:光學成像系統 10: Optical imaging system
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