TWM359701U - Photographing lens and photographing device - Google Patents
Photographing lens and photographing device Download PDFInfo
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- TWM359701U TWM359701U TW97223062U TW97223062U TWM359701U TW M359701 U TWM359701 U TW M359701U TW 97223062 U TW97223062 U TW 97223062U TW 97223062 U TW97223062 U TW 97223062U TW M359701 U TWM359701 U TW M359701U
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M359701 五、新型說明： 【新型所屬之技術領域】 本創作有關於攝影透鏡及攝影裝置，更詳細地說，有 關於適合用於使用CCD(Charge coupled Device :電荷耦合 5 疋件）或 CMOS(Complementary Metal 〇xide Semiconductor:互補金屬氧化物半導體）等的攝影元件的車 載用攝影機、便攜終端用攝影機、監視攝影機等的攝影透 鏡及具備該攝影透鏡的攝影裝置。 10【先前技術】 近年來CCD或CMOS等的攝影元件的小型化及高圖元 化極度發展。與此同時，具備這些攝影元件的攝影設備本 體的小型化也發展，搭載於此的攝影透鏡除良好的光學性 能以外還要求小型化、輕量化。 15 另一方面，在車載用攝影機或監視用攝影機等中，要 求具有較高的耐氣候性的同時，可以在從寒冷地區的大氣 到熱帶地方的夏天的車内的寬溫度範圍使用，並且要求小 型且高性能的透鏡。在尤其是配置於車的車内且監視前方 的攝影機中要求!^數較小，以便在夜裏也能使用，並可以 2〇從可見光區域到紅外區域的寬波段使用。並且，作爲車載 用攝影機使用的情況，根據車的外觀上的觀點也要求露出 的透鏡部小。 本申請人在曰本專利申請2〇〇7_132334號令提出可在 上述領域使用的攝影透鏡。此外，作爲過去已知的六片結 3 M359701 構的攝影透鏡，有記載於下述專利文獻卜4的透鏡。在專 利文獻1中記載有從物側依次爲負、正、正、光攔、負、正、 正的透鏡配置。在專利文獻2中記載有從物側依次爲負、 正、正、光攔、負、正' 負的透鏡配置。在專利文獻3中圮 • 5載有從物側依次爲負、正、光欄、正、負、正、正的透鏡 ，配置。在專利文獻4中記載有從物側依次爲負、正、正、光 攔、負、正、正的透鏡配置。 馨專利文獻1:日本專利公開昭55_45007號公報。 專利文獻2:日本專利公開昭61_9〇115號公報。 10 專利文獻3 :曰本專利公開平9-230232號公報。 專利文獻4 :曰本專利公開2〇〇5_164839號公報。 ，但是，因爲也考慮在夜裏使用車載用攝影機或監視用 攝影機等，所以要求？數小的光學系統。然而，專利文獻1、 2記載的是F數大到3.3〜4.5，換而言之成爲暗的光學系 I5統，所以並非較佳。專利文獻4記載的也是F數爲2.5，在這 點有改進的餘地，並且因使用非球面透鏡，所以在成本上 • 是不利的。 【新型内容】 20 本創作是鑒於上述情況，其目的在於，提供一種小型 且F數較小、低成本並具有良好的光學性能的攝影透鏡、 及具備該攝影透鏡的攝影裝置。 本創作的攝影透鏡，其從物側依次具備將凹面朝向像 側的具有負的光焦度的第一透鏡、是雙凸透鏡並具有正的 25光焦度的第二透鏡、具有正的光焦度的第三透鏡、光攔、 4M359701 V. New description: [New technical field] This creation is about photographic lenses and photographic devices. More specifically, it is suitable for use with CCD (Charge coupled Device: Charge Coupled Device) or CMOS (Complementary) A vehicle-mounted camera, a camera for a mobile terminal, a camera lens for monitoring a camera, and the like, and an imaging device including the imaging lens, such as a metal 〇xide semiconductor: a complementary metal oxide semiconductor. 10 [Prior Art] In recent years, miniaturization and high image quality of photographic elements such as CCDs and CMOSs have been extremely advanced. At the same time, the size of the photographic apparatus having these photographic elements has also been reduced, and the photographic lens mounted thereon is required to be smaller and lighter in addition to good optical performance. On the other hand, in the case of a vehicle-mounted camera or a surveillance camera, it is required to have a high weather resistance and can be used in a wide temperature range from the atmosphere of a cold area to a summer in a tropical place, and requires a small size. And high performance lens. In particular, it is required to be installed in a car of a car and in front of the camera. The number is small so that it can be used at night, and can be used in a wide band from the visible light region to the infrared region. Further, in the case of being used as an in-vehicle camera, the exposed lens portion is also required to be small depending on the appearance of the vehicle. The applicant has proposed a photographic lens that can be used in the above-mentioned field in the Japanese Patent Application No. 2-7-132334. Further, as a photographic lens having a six-piece junction 3 M359701 structure known in the past, there is a lens described in Patent Document 4 below. Patent Document 1 describes a lens arrangement in which negative, positive, positive, optical retardation, negative, positive, and positive are sequentially performed from the object side. Patent Document 2 describes a lens arrangement in which negative, positive, positive, optical retardation, negative, and positive negative are sequentially performed from the object side. In Patent Document 3, 圮 5 carries a lens which is negative, positive, diaphragm, positive, negative, positive, and positive from the object side, and is arranged. Patent Document 4 describes a lens arrangement in which negative, positive, positive, optical retardation, negative, positive, and positive are sequentially performed from the object side. Japanese Patent Laid-Open Publication No. SHO 55-45007. Patent Document 2: Japanese Patent Laid-Open Publication No. SHO 61-119. [Patent Document 3: Japanese Laid-Open Patent Publication No. Hei 9-230232. Patent Document 4: Japanese Patent Laid-Open Publication No. Hei No. Hei. However, since it is also considered to use a car camera or a surveillance camera at night, is it required? A small number of optical systems. However, Patent Documents 1 and 2 describe that the F number is as large as 3.3 to 4.5, and in other words, it is a dark optical system, which is not preferable. Patent Document 4 also discloses that the F number is 2.5, and there is room for improvement in this point, and since an aspherical lens is used, it is disadvantageous in terms of cost. [New content] In view of the above, it is an object of the present invention to provide a photographic lens that is small and has a small F number, low cost, and excellent optical performance, and an imaging device including the photographic lens. The photographic lens of the present invention includes, in order from the object side, a first lens having a negative refractive power toward the image side, a second lens having a positive lenticular lens and a positive refractive power, and a positive optical focus. Third lens, light barrier, 4
在本創作的攝影透鏡中，第一透鏡較佳爲雙凹透鏡， 物側的面的曲率半徑絕對值大於像側的面的曲率半徑絕對 值，，五透鏡其物側的面的曲率半徑絕對值大於像側的面 的曲率半徑絕對值，第六透鏡其物側的面的曲率半徑絕對 值小於像側的面的曲率半徑絕對值。 卜在本創作的攝影透鏡中，較佳滿足下述條件式 ίη〜7m°而且’作爲較佳的方式可以滿足下述條件 ; 7中的任—個式，或者也可以滿足任意的組 M359701 疋雙凹透鏡並具有負的光焦度的第四透鏡、將凸面朝向像 侧的具有正的光焦度的第五透鏡、及將凸面朝向物側的具 有正的光焦度的第六透鏡；第二透鏡其物側的面的曲率半 徑絕對值與像側的面的曲率半徑絕對值相同或小於像側的 面的曲率半徑絕對值，第三透鏡其物側的面的曲率半徑絕 對值與像侧的面的曲率半徑絕對值相同或小於像側的面的 曲率半杈絕對值，第二透鏡的材質對d線的阿貝數爲45以 上，第四透鏡的材質對d線的阿貝數爲30以下。 本創作的攝影透鏡透過如上述地適當選擇各透鏡的 10釔構’有利於得到小型F數小並具有良好的光學性能的 光于系統，由於可以是未必使用非球面的結構，因此，可 以實現低成本化。尤其，本創作的攝影透鏡如上述地構成 第二、第三透鏡的物側的面與像侧的面，從而球面像差的 校正變得容易並有利於得到F數小的光學系統。此外，如 15上述地選擇第二、第四透鏡的阿貝數，從而色像差的校正 變得容易，有利於實現具有良好的光學性能。 20 5 M359701 合0 0.30<f5/f6<0.95 ( 1 ) 0.50<f2/f3<1.80 ( 2) 0.5<R3/f<4.0 (3) 2.0<L/f<7.0 ...... (4) 0.8<f5/f<1.6 ...... ( 5) 0.3<|fl/f2|<1.0 ...... ( 6) 1.50<f456/f<2.50 ...... ( 7) 其中， f :整個系統的焦距 fl 第 一透 鏡 的 焦 距 f2 第 二透 鏡 的 焦 距 f3 第 三透 鏡 的 焦 距 f5 第 五透 鏡 的 焦 距 f6 第 六透鏡的 焦 距 10 15 f456 :從第四透鏡到第六透鏡爲止的合成焦距 R3 :第二透鏡的物側的面的曲率半徑 L:從最靠近物側的透鏡的物側的面到像面爲止的光 軸上的距離（後截距部分是空氣換算長度） 而且，非球面透鏡的情況，上述“凹面凸面”、 又凸、雙凹”、“曲率半徑，’是在近轴領域考慮的。 率半徑在物側凸的情況取正，在像側凸的情況取 貝的#戒。 ，較佳地，第二透鏡的 此外，在本創作的攝影透鏡中 6 M359701 材質對d線的折射率爲1·65至1.9之間。 的攝影 ，因適 所以可 學性能 本創作的攝影裝置，其具備上述記載的本創作 透鏡。 根據本創作，在至少由六片構成的透鏡系統中 當，定各透鏡的形狀、光焦度、材質等的構成， 以提供小型且F數較小，低成本並可得到良好的光 的攝影透鏡、及具備該攝影透鏡的攝影裝置。 【實施方式】 1〇 以下，對本創作的實施方式參照圖式詳細地進行說 明。首先，對本創作的攝影透鏡的實施方式進行說明，其 後對攝影裝置的實施方式進行說明。 、 圖〗表示本創作的一實施方式相關的攝影透鏡丨的透 鏡剖面圖。在圖1中，圖的左侧爲物側、右側爲像側，也一 15併表不來自位於無限遠距離的物點的軸上光束2、以最大視 %角的軸外光束3、4。這襄，軸上光束是指來自光軸乙上 的物點的光束，軸外光束是來自光軸z外的物點的光束。 在圖1中，考慮攝影透鏡1適用於攝影裝置的情況，還 圖不配置在包含攝影透鏡1的成像位置pirn的像面的攝影 20元件5。攝影元件5將由攝影透鏡1形成的光學像變換成電信 號’例如由CCD圖像感測器等構成。 並且’在圖1中也一併表示配置於透鏡系統和攝影元 件5 (像面）之間的平行平板狀的光學部件pp，配置於第 一透鏡L1、第二透鏡L2的像側的面的遮光機構η、12。光 25 ;部件ΡΡ、遮光機構11、12不是本創作必須的，所以這些 7 M359701 後面進行說明。 ，攝影透鏡1從物側依次具備將凹面朝向像侧的具有負 的光焦度的第-透鏡u、是雙凸透鏡並具有正的光焦度的 第一透鏡L2、具有正的光焦度的第三透鏡L3、孔徑光攔 5 St、疋雙凹透鏡並具有負的光焦度的第四透鏡[4、將凸面 朝向像侧的具有正的光焦度的第五透鏡L5、絲凸面朝向 物側的具有正的光焦度的第六透鏡L6。攝影透鏡丨由最少 六片這樣比較少的透鏡片數構成，從而可以將光軸方向的 總長小型化。而且，圖丨中的孔徑光攔st不是表示形狀和大 10小，而表示光轴Z上的位置。 第一透鏡L1設爲將凹面朝向像侧的具有負的光焦度 的透鏡，可以使系統整體廣角化。第一透鏡u設爲將凹面 朝向像側的具有負的光焦度的透鏡，從而可以使軸外光線 沿光軸方向折射，並能夠使透鏡系統的徑向小型化。並且， 1S如圖1所示的例子，將第一透鏡以設爲雙凹透鏡時’可以 使第一透鏡L1的負的光焦度增大，從而更容易使透鏡系統 的徑向小型化。 較佳地，第一透鏡L1物側的面的曲率半徑絕對值大於 像側的面的曲率半徑絕對值，由此，可以良好地校正像面 20 彎曲。 較佳地’第一透鏡L1的材質對d線的阿貝數爲4〇以 上。由此，可以良好地校正倍率色像差。 第二透鏡L2、第三透鏡L3爲正透鏡，這樣在比孔徑光 欄St更靠物側使正的光焦度分散到二片透鏡，從而能夠良 8 M359701 好地k正球面像差（也稱球差）。例如，即使是f數爲η 以下的光學系統，也可容易實現良好的光學性能。 此外就第一透鏡L2的像側的面而言，透過設爲雙凸 透鏡尤其將其像側的面作爲凸面，就可以良好地校正像面 5 彎曲。 第二透鏡L2使物側的面的曲率半徑絕對值與像側的 面的曲率半徑絕對值相同或大於像側的面的曲率半徑絕對 值’從而可以更良好地校正球面像差。 透過第二透鏡L2的材質對d線的阿貝數設爲45以上’ 1〇可以良好地校正軸上的色像差（也稱軸向色像差）。 將第二透鏡L2的材質對d線的折射率設爲!^^時，1^2較 佳在1.65至1.9之間，由此確保緣厚度（透鏡的邊緣厚度） 的同時，可使第二透鏡L2具有適當的光焦度。若N2成爲 1.65以下，則爲了使第二透鏡L2具有充分的光焦度，第二 15透鏡L2的面的曲率增大且第二透鏡L2的緣厚度減小，而加 工就變得困難。或者，爲了避免此問題，透過使第二透鏡 L2增厚，而透鏡系統成爲大型化。若N2成爲19以上，就 成爲使用高價的材質’則成爲成本上升的主要原因。 苐二透鏡L 3透過將物側的面設爲凸面，可以良好地校 20 正像面彎曲。 第三透鏡L3使物側的面的曲率半徑絕對值與像側的 面的曲率半徑絕對值相同或小於像側的面的曲率半徑絕對 值，從而可以更良好地校正球面像差。 較佳地，第三透鏡L3的材質對d線的阿貝數爲4〇以 9 M359701 上。由此’可以良好地校正轴上的色像差。 第四透鏡L4透過將其設爲雙凹透鏡，可以具有大的負 的光焦度。 ' 透過使第四透鏡L4的材質對d線的阿貝數爲3〇以下， -5可以良好地校正軸上的色像差和倍率的色像差（也稱倍率 色像差）。 第五透鏡L5、第六透鏡L6爲正透鏡，這樣在比孔徑光 攔^更靠像側使正的光焦度分散到二片透鏡’從而可以良 好地校正球面像差。例如，即使是F數爲2 〇以下的光學系 10 統’也可以容易實現良好的光學性能。 第五透鏡L5的像側的面成爲凸面，由此，可以良好地 校正像面彎曲。 第五透鏡L5使物側的面的曲率半徑絕對值大於像側 的面的曲率半徑絕對值’從而可以良好地校正像面彎曲。 15 較佳地，第五透鏡L5的材質對d線的阿貝數爲40以 上。由此，可以良好地校正軸上的色像差和倍率的色像差。 ♦ 第六透鏡L6的物側的面成爲凸面，由此，可以良好地 校正像面，彎曲。 第六透鏡L6透過物側的面的曲率半徑絕對值小於像 20側的面的曲率半徑絕對值，從而可以良好地校正像面彎曲。 較佳地’第六透鏡L6的材質對d線的阿貝數爲40以 上。由此’可以良好地校正軸上的色像差和倍率的色像差。 將第六透鏡L6的材質對d線的折射率設爲N6時，作爲 第六透鏡L6的材質N6使用1.75以下的材質也可。N6使用 M359701 f5 :第五透鏡的焦距 f 6 :第六透鏡的焦距 f456 :從第四透鏡到第六透鏡爲止的合成焦距 R3 :第二透鏡的物側的面的曲率半徑 5 R4 :第二透鏡的像側的面的曲率半徑 R8 :第四透鏡L4的物側的面的曲率半徑 R9 :第四透鏡L4的像側的面的曲率半徑 L:從第一透鏡L1的透鏡的物側的面到像面爲止的光 軸上的距離（後截距部分是空氣換算長度） 1〇 Bf:從第六透鏡L6的像側的面到像面爲止的光軸上的 距離（相當於後截距、空氣換算長度） EDI:第一透鏡!^的物侧的面的最大光線高度 IH :最大像高 而且，EDI、IH例如可以由攝影透鏡的規格或適當的 I5攝影裝置的規格等決定。 條件式（1)是關於第五透鏡[5和第六透鏡L6的光焦 度比。第五透鏡L5和第六透鏡L6都是正透鏡，但是，如圖 所示地在第，、透鏡的光線南度高於第五透鏡。的光線高 度。右超過條件式（丨）的上限，則第六透鏡l6的光焦度 2〇過大，從而曲率增大且緣厚度（透鏡的邊緣厚度）減小， 因此加工變知困難。若低於條件式（丨）的下限，則第五透 鏡L5的光焦度變得過大，而良好地校正像面彎曲變得困 難。 透過構成爲滿足條件式（2 )，從而可以將正的光焦 12 M359701 度共同分配給第二錢⑽第三透鏡L3,並可錢好地校 正球面像差。即，錢離條件式⑺的上限或下限，由於 正的光焦度偏至在第二透鏡L2或第三透鏡L3，則球面像差 的校正變得困難。 5 #超過條件式（3)的上限，則像面彎曲的校正變得 困難。若低於條件式（3)的下限，㈣二透鏡L2的物側 的面的曲率半徑減小，並緣厚度（透鏡的邊緣厚度）變得 過小，因此加工變得困難。 若超過條件式（4)的上限，則光軸方向的總長變長， 1〇透鏡系統變大型化或難以實現廣角化。若低於條件式⑷ 的下限，則總長變得過短，且各透鏡變薄，因此透鏡的加 工、組裝變得困難。 15 20 若超過條件式（5)的上限，則良好地校正像面彎曲 變得困難。若低於條件式（5)的下限，Μ第五透鏡L5的 先焦度變得過大，相對於偏心的製造誤差及組裝誤差的允 許量減少’組裝困難或成爲成本上升的原因。 若超過條件式⑷的上限，則第一透鏡。的光焦度 a + m_實現廣角化或難以取長的後截距。若低於條 牛弋（）的下限，則良好地校正像面彎曲、畸變變得困難。 若超過條件式⑺的上限，則良好地校正畸變的同 夺難以廣角化。右低於條件式⑺的下限，則像面彎曲的 杈正變侍困難’並且’後截距變短，在透鏡系統和配置於 像面的攝衫TL件之間配置各種渡光片或蓋玻璃等變得困 難0 13 M359701 右超過條件式（8 )的上限，則後焦距變得過長，作 爲結果，透鏡系統會變得大型化。若低於條件式（8)的下 限’則在透鏡系統和配置於像面的攝影元件之間配置各種 遽光片或蓋玻璃等變得困難。*且’容易發生以從攝影元 件向透鏡系統的返回光爲原因的重影。 π、右超過條件式（9)的上限，第二透鏡L2的光焦度變 二過大相對於偏心的製造誤差及組裝誤差的允許量減 少，組裝困難或成爲成本上升的原因。若低於條件式⑼ 的下二，則良好地校正馨星像差（也稱慧差）變得困難。 變得固條件式（1G)的上限，則良好地校正像面變曲 低於條件式（1〇)的下限，則第四透鏡“的 徑絕對值變得過小，因此加工變得困難。 ::過條件式（"）的上限，則校正 難。若低於條件式（11)的下限 雙于田 15 20 面的曲率半徑絕對值減小，緣厚 的像側的 得過小，因此加工變得困難。“透鏡的邊緣厚度)變 若低二 ==12)的上限，則整個系統變得大型化。 右低於條件式（12)的下限，則後 和配置於像面的攝影元件之間配 在錢系統 變得困難。 種’慮光片或蓋玻璃等 若超過條件式（13)的上限， 徑變得過大’將透财的露出在 透鏡_有效直 困難。例如本攝影透鏡搭載於車小型化就變得 傷車的外觀，期望構成爲露出/時’爲了不損 卜界的透鏡部分小，因此， 14 M359701 較佳構成爲滿足條件式（13)的上限。若低於條件式（⑴ 的下限，可以將露出在外部的部分小型化，但是，難以由 比光攔更靠前側的光㈣統對軸±光線和#外光線進行分 離，並且難以良好地校正像面_彎曲。 這裏，“透鏡面的有效直徑，，是指在光學系統旋轉對 稱時，通過透鏡面的有效的光線中的通過最外側（從光轴 最遠離的位置）的光線和其透鏡面之間的交點描繪的圓的In the photographic lens of the present invention, the first lens is preferably a biconcave lens, and the absolute value of the radius of curvature of the surface on the object side is greater than the absolute value of the radius of curvature of the surface on the image side, and the absolute value of the radius of curvature of the surface on the object side of the five lens. The absolute value of the radius of curvature of the surface larger than the image side, the absolute value of the radius of curvature of the surface on the object side of the sixth lens is smaller than the absolute value of the radius of curvature of the surface on the image side. In the photographic lens of the present invention, it is preferable to satisfy the following conditional expression ηη~7m° and 'the following conditions can be satisfied as a preferred method; any one of the formulas of 7 or any group of M359701 疋 can also be satisfied. a fourth lens having a negative refractive power and having a negative refractive power; a fifth lens having a positive refractive power toward the image side; and a sixth lens having a positive refractive power toward the object side; The absolute value of the radius of curvature of the surface on the object side of the two lens is equal to or smaller than the absolute value of the radius of curvature of the surface on the image side, and the absolute value of the radius of curvature of the surface on the object side of the third lens The absolute value of the radius of curvature of the side surface is the same or smaller than the absolute value of the radius of the surface of the image side, the Abbe number of the material of the second lens to the d line is 45 or more, and the Abbe number of the material of the fourth lens to the d line. It is 30 or less. The photographic lens of the present invention is suitable for obtaining a light-based system having a small F-number and having good optical performance by appropriately selecting the 10 钇 structure of each lens as described above, and since it is possible to use an aspherical structure, it is possible to realize Cost reduction. In particular, the photographic lens of the present invention constitutes the object-side surface and the image-side surface of the second and third lenses as described above, whereby the correction of the spherical aberration is facilitated and it is advantageous to obtain an optical system having a small F number. Further, by selecting the Abbe numbers of the second and fourth lenses as described above, the correction of the chromatic aberration becomes easy, and it is advantageous to achieve good optical performance. 20 5 M359701 and 0 0.30<f5/f6<0.95 (1) 0.50<f2/f3<1.80 (2) 0.5<R3/f<4.0 (3) 2.0<L/f<7.0 .... .. (4) 0.8<f5/f<1.6 ...... (5) 0.3<|fl/f2|<1.0 ...... (6) 1.50<f456/f<2.50 (7) where f: focal length of the entire system fl focal length f2 of the second lens focal length f3 of the second lens focal length f5 of the third lens focal length f6 of the fifth lens focal length of the sixth lens 10 15 f456 : a composite focal length R3 from the fourth lens to the sixth lens: a radius of curvature L of the surface on the object side of the second lens: a distance from the object side surface of the lens closest to the object side to the optical axis of the image plane (The rear intercept portion is the air conversion length) Further, in the case of the aspherical lens, the above-mentioned "concave convex surface", convex, double concave, and "curvature radius" are considered in the near-axis field. The rate radius is positive in the case where the object side is convex, and the #戒 in the case of the side convex. Preferably, in addition to the second lens, in the photographic lens of the present invention, the refractive index of the material of the M 35701 to the d line is between 1.65 and 1.9. The photographing device is suitable for the performance of the photographing device of the present invention, and the photographing device described above is provided. According to the present invention, in the lens system composed of at least six sheets, the shape, the power, the material, and the like of each lens are set to provide a small size, a small F number, and a low cost and good light photography. A lens and an imaging device including the imaging lens. [Embodiment] Hereinafter, an embodiment of the present creation will be described in detail with reference to the drawings. First, an embodiment of the photographic lens of the present invention will be described, and an embodiment of the photographic device will be described. Fig. 1 is a perspective view showing a lens of a photographic lens 相关 according to an embodiment of the present creation. In Fig. 1, the left side of the figure is the object side, and the right side is the image side. Also, a 15 is combined with the on-axis beam 2 at an infinity object point, and the off-axis beam 3, 4 at a maximum view % angle. . Here, the on-axis beam refers to the beam from the object point on the optical axis B, and the off-axis beam is the beam from the object point outside the optical axis z. In Fig. 1, considering the case where the photographing lens 1 is applied to the photographing apparatus, the photographing 20 element 5 including the image plane of the imaging position pirn of the photographing lens 1 is not shown. The photographing element 5 converts the optical image formed by the photographing lens 1 into an electric signal number ', for example, a CCD image sensor or the like. Further, in FIG. 1, the parallel plate-shaped optical member pp disposed between the lens system and the imaging element 5 (image surface) is also shown, and is disposed on the image side surface of the first lens L1 and the second lens L2. Shading mechanisms η, 12. Light 25; component ΡΡ, shading mechanisms 11, 12 are not required for this creation, so these 7 M359701 will be described later. The photographing lens 1 includes, in order from the object side, a first lens L having a negative refractive power toward the image side, a first lens L2 having a positive refractive power and a positive refractive power, and a positive refractive power. a third lens L3, an aperture stop 5 St, a 疋 biconcave lens, and a fourth lens having a negative refractive power [4, a fifth lens L5 having a positive refractive power toward the image side, and a convex surface orientation A sixth lens L6 having a positive power on the side. The photographic lens 构成 is composed of a minimum of six such relatively small number of lenses, so that the total length in the optical axis direction can be miniaturized. Moreover, the aperture stop st in the figure does not indicate the shape and the size of 10 is small, but represents the position on the optical axis Z. The first lens L1 is a lens having a negative refractive power toward the image side, and the entire system can be wide-angled. The first lens u is a lens having a negative refractive power toward the image side, so that the off-axis light can be refracted in the optical axis direction, and the radial direction of the lens system can be miniaturized. Further, in the case of 1S as shown in Fig. 1, when the first lens is set to be a biconcave lens, the negative refractive power of the first lens L1 can be increased, and the radial direction of the lens system can be more easily reduced. Preferably, the absolute value of the radius of curvature of the surface on the object side of the first lens L1 is larger than the absolute value of the radius of curvature of the surface on the image side, whereby the curvature of the image plane 20 can be satisfactorily corrected. Preferably, the material of the first lens L1 has an Abbe number of 4 Å or more with respect to the d line. Thereby, the chromatic aberration of magnification can be corrected satisfactorily. The second lens L2 and the third lens L3 are positive lenses, so that the positive refractive power is dispersed to the two lenses on the object side of the aperture stop St, so that the good spherical aberration can be good 8 M359701 (also Call the ball difference). For example, even in an optical system in which the f number is η or less, good optical performance can be easily achieved. Further, in the image-side surface of the first lens L2, the transmission of the lenticular lens, in particular, the surface on the image side thereof is used as a convex surface, whereby the curvature of the image plane 5 can be satisfactorily corrected. The second lens L2 can correct the spherical aberration more satisfactorily by making the absolute value of the radius of curvature of the surface on the object side the same as the absolute value of the radius of curvature of the surface on the image side or larger than the absolute value of the radius of curvature of the surface on the image side. The Abbe number of the d-line transmitted through the material of the second lens L2 is 45 or more '1', and the chromatic aberration on the axis (also referred to as axial chromatic aberration) can be satisfactorily corrected. When the refractive index of the material of the second lens L2 to the d line is set to be ^^^, 1^2 is preferably between 1.65 and 1.9, thereby ensuring the edge thickness (edge thickness of the lens) while making the second Lens L2 has an appropriate power. When N2 is 1.65 or less, in order to make the second lens L2 have sufficient refractive power, the curvature of the surface of the second lens L2 is increased and the thickness of the edge of the second lens L2 is decreased, which makes processing difficult. Alternatively, in order to avoid this problem, the lens system is enlarged by thickening the second lens L2. If N2 is 19 or more, the use of a high-priced material is a major cause of cost increase. The second lens L 3 transmits the surface on the object side as a convex surface, so that the normal image plane curvature can be satisfactorily corrected. The third lens L3 makes the absolute value of the radius of curvature of the surface on the object side the same as the absolute value of the radius of curvature of the surface on the image side or smaller than the absolute value of the radius of curvature of the surface on the image side, so that the spherical aberration can be corrected more satisfactorily. Preferably, the material of the third lens L3 has an Abbe number of 4 〇 to 9 M359701. Thus, chromatic aberration on the axis can be well corrected. The fourth lens L4 can have a large negative power by making it a biconcave lens. By making the Abbe number of the material of the fourth lens L4 to the d line 3 〇 or less, -5 can well correct chromatic aberration on the axis and chromatic aberration of magnification (also called chromatic aberration of magnification). The fifth lens L5 and the sixth lens L6 are positive lenses, so that the positive power is dispersed to the two lenses on the image side of the aperture stop, so that the spherical aberration can be corrected well. For example, even an optical system having an F number of 2 Å or less can easily achieve good optical performance. The surface on the image side of the fifth lens L5 is a convex surface, whereby the field curvature can be satisfactorily corrected. The fifth lens L5 makes the absolute value of the radius of curvature of the surface on the object side larger than the absolute value of the radius of curvature of the surface on the image side, so that the field curvature can be satisfactorily corrected. Preferably, the material of the fifth lens L5 has an Abbe number of 40 or more with respect to the d line. Thereby, the chromatic aberration on the axis and the chromatic aberration of the magnification can be favorably corrected. ♦ The surface on the object side of the sixth lens L6 is convex, whereby the image surface can be satisfactorily corrected and bent. The absolute value of the radius of curvature of the surface on the permeate side of the sixth lens L6 is smaller than the absolute value of the radius of curvature of the surface on the side of the image 20, so that the curvature of field can be satisfactorily corrected. Preferably, the material of the sixth lens L6 has an Abbe number of 40 or more with respect to the d line. Thereby, the chromatic aberration on the axis and the chromatic aberration of the magnification can be favorably corrected. When the refractive index of the material of the sixth lens L6 to the d line is N6, a material of 1.75 or less may be used as the material N6 of the sixth lens L6. N6 uses M359701 f5: focal length f 6 of the fifth lens: focal length f456 of the sixth lens: synthetic focal length R3 from the fourth lens to the sixth lens: radius of curvature of the surface of the object side of the second lens 5 R4: second The radius of curvature R8 of the surface on the image side of the lens: the radius of curvature R9 of the surface on the object side of the fourth lens L4: the radius of curvature L of the surface on the image side of the fourth lens L4: from the object side of the lens of the first lens L1 The distance on the optical axis from the surface to the image surface (the back-intercept portion is the air-converted length) 1〇Bf: the distance from the image-side surface of the sixth lens L6 to the optical axis on the image surface (equivalent to the rear cut) Distance, air conversion length) EDI: Maximum light height IH of the object side surface of the first lens: ^: Maximum image height, and EDI, IH can be determined, for example, by the specifications of the photographing lens or the specifications of an appropriate I5 photographing apparatus. The conditional expression (1) relates to the power ratio of the fifth lens [5 and the sixth lens L6. The fifth lens L5 and the sixth lens L6 are both positive lenses, but, as shown in the figure, the light of the lens is slightly higher than the fifth lens. The light is high. When the right exceeds the upper limit of the conditional expression (丨), the refractive power 2〇 of the sixth lens 16 is excessively large, so that the curvature is increased and the edge thickness (edge thickness of the lens) is decreased, so that processing becomes difficult. If the lower limit of the conditional expression (丨) is exceeded, the refractive power of the fifth lens L5 becomes excessively large, and it becomes difficult to correct the curvature of field well. By constituting the conditional expression (2), the positive optical focus 12 M359701 degrees can be collectively distributed to the second money (10) third lens L3, and the spherical aberration can be corrected with good money. That is, if the money is away from the upper limit or the lower limit of the conditional expression (7), since the positive refractive power is biased to the second lens L2 or the third lens L3, correction of the spherical aberration becomes difficult. When 5 # exceeds the upper limit of the conditional expression (3), correction of the curvature of field becomes difficult. If the lower limit of the conditional expression (3) is exceeded, the radius of curvature of the surface of the object side of the (four) two lens L2 is decreased, and the thickness of the edge (the thickness of the edge of the lens) is too small, so that processing becomes difficult. When the upper limit of the conditional expression (4) is exceeded, the total length in the optical axis direction becomes long, and the 1〇 lens system becomes large or wide-angled. If the lower limit of the conditional expression (4) is exceeded, the total length becomes too short, and the lenses become thin, so that processing and assembly of the lens become difficult. 15 20 If the upper limit of the conditional expression (5) is exceeded, it is difficult to correct the curvature of field well. If the lower limit of the conditional expression (5) is exceeded, the first power of the fifth lens L5 becomes too large, and the manufacturing error with respect to the eccentricity and the allowable amount of assembly error are reduced, which is difficult to assemble or causes a cost increase. If the upper limit of the conditional expression (4) is exceeded, the first lens. The power of a + m_ achieves wide angle or it is difficult to take a long back intercept. If it is lower than the lower limit of the calf (), it is difficult to correct the curvature of field and the distortion. If the upper limit of the conditional expression (7) is exceeded, it is difficult to widen the distortion of the distortion correction well. When the right is lower than the lower limit of the conditional expression (7), the image-curved 杈 is becoming difficult and the rear intercept is shortened, and various louvers or covers are disposed between the lens system and the TL member disposed on the image plane. Glass becomes difficult. 0 13 M359701 When the right exceeds the upper limit of the conditional expression (8), the back focus becomes too long, and as a result, the lens system becomes large. If it is lower than the lower limit of the conditional expression (8), it becomes difficult to arrange various kinds of calender sheets or cover glasses between the lens system and the image pickup elements arranged on the image surface. * and 'a ghost that is likely to cause a return light from the photographic element to the lens system. When π and right exceed the upper limit of the conditional expression (9), the refractive power of the second lens L2 becomes too large, and the allowable amount of manufacturing error and assembly error with respect to the eccentricity is reduced, which makes assembly difficult or causes cost increase. If it is lower than the lower two of the conditional expression (9), it is difficult to properly correct the sinusoidal aberration (also called coma). When the upper limit of the solid conditional expression (1G) is corrected, the image plane distortion is satisfactorily corrected to be lower than the lower limit of the conditional expression (1〇), and the absolute value of the diameter of the fourth lens is too small, so that processing becomes difficult. : If the upper limit of the conditional expression (") is used, the correction is difficult. If the lower limit of the radius of curvature of the surface of the lower limit of the conditional formula (11) is reduced, the image side of the edge thickness is too small, so the processing is performed. It becomes difficult. If the "edge thickness of the lens" becomes lower than the upper limit of two == 12), the entire system becomes large. When the right is lower than the lower limit of the conditional expression (12), it becomes difficult to arrange the money system with the photographic element disposed on the image plane. When the light-receiving sheet or the cover glass exceeds the upper limit of the conditional expression (13), the diameter becomes too large, and it is difficult to expose the money to the lens. For example, when the photographic lens is mounted on a small size of the vehicle, the appearance of the vehicle is damaged, and it is desirable that the lens portion is formed so that the exposure is not small. Therefore, 14 M359701 is preferably configured to satisfy the upper limit of the conditional expression (13). . If it is lower than the lower limit of the conditional expression ((1), the exposed portion can be miniaturized, but it is difficult to separate the shaft ± ray and # external ray by the light (4) on the front side than the light barrier, and it is difficult to correct it well. Image plane_bend. Here, "the effective diameter of the lens surface" refers to the light passing through the outermost side (the position farthest from the optical axis) and the transparent light passing through the lens surface when the optical system is rotationally symmetrical. a circle drawn by the intersection between the mirrors
直位而且’透過上述透鏡面的有效的光線是指用 體的像的成像的光線。 皮攝 10 並且，本實施方式的攝影透鏡更佳滿足以下的條 (1-1)、（2-1)、U])、（4_2)、（51)、（6〈）"、 (8-1 )、（ 9-1 )、（ 1〇])。 15The straight light and the effective light transmitted through the lens surface refer to the imaged light of the image of the object. The photographing lens of the present embodiment preferably satisfies the following items (1-1), (2-1), U]), (4_2), (51), (6<)", (8). -1 ), ( 9-1 ), ( 1〇]). 15
0.40<f5/f6<0.8 0.8<f2/f3<1.6 2.0<L/f<4.2 2.5<L/f<3.8 1.0<f5/f<1.6 0.4<|fl/f2|<〇.8 0.7<Bf/f<l.〇 ......(1-1) ......(2-1 ) .··.· (4-1) ( 4-2) ......(5-1 ) ......(6-1) ......(8-1 ) 20 0.3<|R8/R9|<〇.9 透過滿足條件式 校正中變得更有利。 ......(10-1) 1 -1 )在加工性和像面實曲的良好的 透過滿足條件式（2·1)良好地校正球面像差變得容易 15 M359701 透過滿足條件式（4-1)可以更小型地構成透鏡系統。 透過滿足條件式（4_2)可以更進—步小型地構成透鏡 系統。 此外爲了將整個系統小型化，較佳地’ _L述L爲24mm 5以下冑了將整個系統更爲小^化’更佳地，上述[爲μ醒 以下。 過滿足條件式（5_1)在製造性或者成本方面更有利。 透過滿足條件式（6-1)的上限，實現廣角化或者長的 後截距就變得更容易。透過滿足條件式⑷）的下限，對 I像面彎曲、畸變的良好的校正更有利。 透過滿足條件式（8_ 1)，可以更小型地構成。 面j過滿足條件式…）的上限，在製造性或者成本方 t。透過滿足條件式（9])的下限，_星像差的良 好的校正變得更容易。 15 20 足條件式（1(M)的上限，良好地校正像面彎 ^變：更谷易。透過滿足條件式（1(M)的下 第四透鏡L4的加工性更加提高。 更 境使攝影透鏡1例如在車載用攝影機等的嚴格的環 用耐，、^況下’配置於最靠近物側的第—透鏡U較佳使 用耐受由風雨的表面劣化 Η 吏 強於且耵W尤的，皿度變化、進而 即；、5之耐幻油脂、洗滌劑等的化學藥品的材質、 外：=生A对氣候性、耐酸性、耐藥品性等高的材質。此 堅硬、不w: 透鏡LI的材質較佳使用 硬不易碎的材質。根據以上，作爲第一透如的材質 16 M359701 具體地較佳使用玻璃。或者，也可以使用透明的陶究。陶 瓷具有與通常的玻璃相比強度高，耐熱性高的性質。 第一透鏡L1的中心厚度較佳爲〇.5mm以上。例如適應 於車载用攝影機的情況下，在透鏡系統要求對各種衝㈣ 5強度。爲此，透過將第一透鏡L1的中心厚度設爲以 上’可以使第一透鏡L1不易碎。 此外，攝影透鏡1例如適應於車載用攝影機的情況 下，要求可以在從寒冷地帶的大氣到熱帶地方的夏天的車 内的溫度範圍使用。使用於寬溫度範圍的情況下，作爲透 10鏡的材質較佳使用線膨脹係數小的材料。在要求車載用攝 影機用途等的可使用於寬的溫度範圍内的情況下，較佳 地，所有透鏡的材質爲玻璃。 此外，也可以在第一透鏡L1上實施防水結構而遮斷與 外界的空氣流通，使得不會隨著急劇的溫度變化、濕度變 15化而在内部産生霧Η乍爲防水結構可以透過黏接第^鏡 L1和透鏡框而做成密封結構。也可以在第一透鏡L1和透鏡 框之間透過放入〇形環等的氣密部件而做成密封結構。 而且，透鏡系統在急劇的溫度環境下、濕度環境下使 用時’透鏡系統中較佳不使用接合透鏡。例如，例如適應 2〇於車載用攝影機的情況下，條件是可以在從寒冷地帶的^ 氣到熱帶地方的夏天的車内的溫度範圍内使用。使用接合 透鏡的It /兄肖了在寬溫度範圍内使用必須用特殊的黏合 劑’因此成爲成本上升的原因。 並且爲貝地製作透鏡，較佳地，所有透鏡爲球 17 M359701 面透鏡。或者，在重視性能的情況等，爲了更加良好地校 正各像差，也可以使用非球面透鏡。而且，爲了將非球面 精度優良地且以低成本形成，作爲透鏡的材質可以 膠。 5 此外，將攝影透鏡1適用於攝影裝置時，根據安裝透 ^的攝影機側的結構’較佳地，設置蓋玻璃、低通遽光片 或、工外線截止據光片#，光學部件pp是設想這些的部件。 J如攝衫透鏡1用於車載用攝影機，作爲夜間的視覺補助 用的仪視攝影機使用時，也可以在透鏡系統和攝影元件之 1〇間插入截止從紫外光到藍色光的濾光片。 而且取代在透鏡系統和攝影元件5之間的配置如低 通據光片或截止特定的波段的各種滤光片等，也可以在各 、兄之間配置這些各種滤光片。或者，也可以在攝影透鏡1 具有的任意的透鏡的透鏡面實施具有與各種滤光片相同的 15作用的塗層。 此外，透過各透鏡之間的有效直徑外的光束成爲雜散 "而到達像面’有成爲重影的憂慮’因此，根據需要，較 佳地，設置遮蔽該雜散光的遮光機構。作爲該遮光機構， 例如可以在透鏡的有效直徑外的部分施加不透明的塗料， 扣=也可以設置不透明的板材。或者，也可以在成爲雜散光 。、光束的光路上設置不透明的板材作爲遮光機構。或者， 可以在最靠近物側的透鏡的更靠近物側配置遮斷雜散光的 遮光罩那樣的元件。作爲-例，在圖i中示出在第一透鏡 L卜第二透鏡L2的像側的面分別設置遮光機構u、丨2的例 18 M359701 子]但是’設置遮光機構的部位不限於圖丨所示 可以配置在其他的透鏡上或透鏡之間。 件。二1卜、:也！"以在各透鏡之間配置遮斷周邊光線的部 ^周邊光線是指來自光麵卜的族 光學“的光線中、透過 周邊部分的光線。透過在周邊光量比實 域MU 軌圍遮斷周邊光線，從而可以提高成像領 象質。而且，透過用該部件遮斷産生重影的光， 從而可以降低重影。 [實施例j 接著對本創作相關的攝影透鏡的具體的數值實施例 進行說明。 <實施例1 > 透鏡的透鏡結構圖，表1表示透 15 圖2表示實施例1的攝影 鏡數據及各種數據。 [表1]0.40<f5/f6<0.8 0.8<f2/f3<1.6 2.0<L/f<4.2 2.5<L/f<3.8 1.0<f5/f<1.6 0.4<|fl/f2|< 〇.8 0.7<Bf/f<l.〇...(1-1) ......(2-1) .··.· (4-1) ( 4-2) ......(5-1) ......(6-1) ......(8-1) 20 0.3<|R8/R9|<〇.9 The correction becomes more advantageous. (10-1) 1 -1 ) It is easy to correct the spherical aberration well in the good transmission of the processability and the real curvature of the image surface (2·1). 15 M359701 The conditional condition is satisfied. (4-1) The lens system can be configured more compactly. By satisfying the conditional expression (4_2), the lens system can be further formed in a small step. Further, in order to miniaturize the entire system, it is preferable that the _L is 24 mm 5 or less, and the entire system is made smaller. It is more advantageous in terms of manufacturability or cost to satisfy the conditional expression (5_1). By satisfying the upper limit of conditional expression (6-1), it becomes easier to achieve wide angle or long back intercept. By satisfying the lower limit of the conditional expression (4)), it is more advantageous to correct the curvature of the I plane and the distortion. By satisfying the conditional expression (8-1), it can be constructed more compactly. The surface j satisfies the upper limit of the conditional expression ...) in terms of manufacturability or cost. By satisfying the lower limit of the conditional expression (9), a good correction of the _star aberration becomes easier. 15 20 The upper limit of the conditional expression (1(M), the image plane curvature is well corrected: it is more versatile. The workability of the lower fourth lens L4 that satisfies the conditional expression (1(M) is further improved. The photographic lens 1 is preferably used for the rigorous endurance of a vehicle-mounted camera, etc., and the first lens U disposed on the closest object side is preferably used to withstand surface deterioration due to wind and rain. The change of the degree of the dish, and further, the material of the chemical such as the phantom oil, the detergent, and the like: the material of the climatic, acid, and chemical resistance of the raw material A. This hard, not w The material of the lens LI is preferably a hard and non-breakable material. According to the above, as the first transparent material 16 M359701, it is preferable to use glass. Alternatively, a transparent ceramic can be used. The ceramic has a normal glass phase. The first lens L1 preferably has a center thickness of 〇.5 mm or more. For example, in the case of an in-vehicle camera, the lens system requires a variety of punching (four) 5 intensities. By setting the center thickness of the first lens L1 to In the above, the first lens L1 can be made to be fragile. In addition, when the photographic lens 1 is adapted to, for example, a vehicle-mounted camera, it is required to be used in a temperature range from the atmosphere of a cold zone to the summer of a tropical place. In the case of a range, it is preferable to use a material having a small coefficient of linear expansion as a material for transmitting through the lens 10. When it is required to be used in a wide temperature range, etc., it is preferable that all the lenses are made of a material. Further, it is also possible to apply a waterproof structure to the first lens L1 to block the flow of air with the outside, so that the smog does not occur in the interior as the temperature changes and the humidity becomes fierce. The first lens L1 and the lens frame are bonded to each other to form a sealing structure. A hermetic member such as a 〇-shaped ring may be inserted between the first lens L1 and the lens frame to form a sealing structure. Moreover, the lens system is sharp. In the case of a temperature environment or a humidity environment, it is preferable not to use a cemented lens in a lens system. For example, for example, in the case of a car camera, The condition is that it can be used in the temperature range from the gas in the cold zone to the summer in the tropical place. The It / Brother, which uses the cemented lens, must use a special adhesive in the wide temperature range. For example, it is preferable to use aspherical lens for the purpose of producing a lens for the shell. Preferably, all the lenses are balls 17 M359701. Alternatively, in order to better correct the aberrations, an aspherical lens may be used. The aspherical surface is excellent in precision and low in cost, and can be glued as a material of the lens. 5 Further, when the photographic lens 1 is applied to a photographic apparatus, it is preferable to provide a cover glass according to the structure of the camera side on which the lens is mounted. The low-pass calender sheet or the outer line is cut off according to the light sheet #, and the optical member pp is a component envisioned. For example, when the camera lens 1 is used for a vehicle-mounted camera, when it is used as a vision camera for visual assistance at night, a filter that cuts off ultraviolet light to blue light may be inserted between the lens system and the imaging element. Further, instead of the arrangement between the lens system and the photographic element 5, such as a low-pass light sheet or various filters for cutting off a specific wavelength band, these various filters may be disposed between the respective brothers. Alternatively, a coating layer having the same function as the various filters may be applied to the lens surface of any lens of the photographic lens 1. Further, the light beam passing through the effective diameter between the respective lenses becomes a stray " and the image surface is not worried about being a ghost image. Therefore, a light shielding mechanism for shielding the stray light is preferably provided as needed. As the light-shielding mechanism, for example, an opaque paint can be applied to a portion other than the effective diameter of the lens, and the buckle can also be provided with an opaque plate. Alternatively, it can also become stray light. An opaque plate is disposed on the optical path of the light beam as a light shielding mechanism. Alternatively, an element such as a hood that blocks stray light may be disposed on the object side closer to the object side. As an example, in the example i, an example 18 in which the light-shielding mechanisms u and 丨2 are provided on the image-side surface of the first lens L and the second lens L2 is shown. However, the portion where the light-shielding mechanism is provided is not limited to the drawing. The illustration can be placed on other lenses or between lenses. Pieces. Two 1 Bu,: Also! "The portion of the peripheral light that blocks the peripheral light between the lenses refers to the light that passes through the peripheral portion of the light from the family of the optical surface. The amount of light passing through the periphery is interrupted by the MU of the real domain. The peripheral light can improve the image quality of the image, and the ghost can be reduced by blocking the light that generates the ghost image. [Example j] Next, a specific numerical example of the photographic lens related to the present creation will be described. <Example 1> Lens structure diagram of lens, Table 1 shows transparency 15 Fig. 2 shows photographic mirror data and various data of Example 1. [Table 1]
實施例1透鏡數據Example 1 Lens Data
實施例1各種數據 Fno. 2. 〇〇 —-— 2ω 54.2 —---- L 21.99 — — Bf 5. 15 f 5. 83一 fl f2 10.11 --- f3 7. 41 _-— f4 -3.80 — — f5 7.17 —------~~~^ f6 ll._96__ f456 10. 73 M359701 12 9.68 2. 30 「1. 5831 59.4 13 -22. 71 3. 69 14 〇〇 0. 40 1.5168 64. 2 15 〇〇 1.20 像面 - 在表1的透鏡數據中 面號碼是將最靠近物側的構成 因素的面作爲第一個隨著朝向像側依次增加的第丨個（i== IH 「2.8 EDI 7.36 1、2、3、…）的面號碼。並且，在表丨的透鏡數據中還包 括孔徑光攔St及光學部件pp。 5 表1的Ri表示第i個（i = 1、2、3、…）面的曲率半徑，Example 1 Various data Fno. 2. 〇〇--- 2ω 54.2 —---- L 21.99 — — Bf 5. 15 f 5. 83-fl f2 10.11 --- f3 7. 41 _-— f4 -3.80 — — f5 7.17 —------~~~^ f6 ll._96__ f456 10. 73 M359701 12 9.68 2. 30 “1. 5831 59.4 13 -22. 71 3. 69 14 〇〇0. 40 1.5168 64 2 15 〇〇1.20 Image plane - In the lens data of Table 1, the face number is the face that is the closest to the object side as the first one that increases sequentially toward the image side (i== IH " 2.8 EDI 7.36 The face number of 1, 2, 3, ...). Also, the lens data of the watch includes the aperture stop St and the optical component pp. 5 The Ri of Table 1 represents the i-th (i = 1, 2) , 3,...) the radius of curvature of the face,
Di表不第1個（i = i、2、3、…）面和第丨+1個面的光軸乙上 的面間隔。此外，Ndj表示將最靠近物側的光學因素設爲第 一個、隨著朝向像侧依次增加的第j個（j=1、2、3、…） 光學因素對d線的折射率，vdj表示第〗個光學因素對d線的 10阿貝數。在表1中，曲率半徑是將在物側爲凸的情況設爲 正’將在像側凸的情況設爲負。 在表1的各種數據中’ Fno.表示F數，2ω表示全視場 角’ L表示從第一透鏡L丨的物側的面到像面的光軸ζ上的距 離（後焦距部分是空氣換算長度），Bf表示從第六透鏡“ 15的像側的面到像面的距離（相當於後焦距、空氣換算長 度），f是整個系統的焦距，fl是第一透鏡匕丨的焦距，〇是 第二透鏡L2的焦距，f3是第三透鏡[3的焦距，付是第四透 鏡L4的焦距，f5是第五透鏡L5的焦距，f6是第六透鏡乙6的 焦距，f456是從第四透鏡L4到第六透鏡匕6爲止的合成焦距 20 (第四透鏡乙4、第五透鏡L5、第六透鏡L6的合成焦距）， IH疋在像面上的最大像高’ Em是在第一透鏡L1的物側的 20 M359701 面的最大光線高度。 在表1的各種數據中，2ω的單位是度。作爲表！的曲率 半徑及面間隔的單位、表i的L、Bf、各焦距、合成焦距、 IH、EDI的單位’這裏使用“ mm” 。但是，光學系統即使 • 5按比例放大或按比例縮小也得到同等的光學性能，所以單 位不限於“mm” ，也可以使用其他的適當的單位。 在圖2中，圖的左側爲物側，右側爲像側。圖2所示的 馨孔役光欄St不是表示形狀或大小而表示光軸z上的位 置。圖2的符號Ri、Di (i=1、2、3、…）與表以 10 對應。 上述說明的表1中的符號的意義及透鏡結構圖的圖示 方法，對於後述的實施例也基本相同。 實施例1的攝影透鏡從物側依次由雙凹透鏡的第一透 鏡L1、雙凸透鏡的第二透鏡L2、雙凸透鏡的第三透鏡匕3、 15孔徑光欄以、雙凹透鏡的第四透鏡L4、將凸面朝向像側的 _ 平凸透鏡的第五透鏡L5、雙凸透鏡的第六透鏡L6構成。 <實施例2> 圖3表不實施例2的攝影透鏡的透鏡結構圖，表2表示透鏡數 2〇據及各種數據。實施例2的攝影透鏡從物側依次由雙凹透鏡 的第一透鏡L1、雙凸透鏡的第二透鏡L2、雙凸透鏡的第2 透鏡L3、孔徑光欄St、雙凹透鏡的第四透鏡Μ、將凸面朝 向像側的平凸透鏡的第五透鏡。、雙凸透鏡的第六透鏡匕6 構成。 兄 21 25 M359701The Di table does not have the first (i = i, 2, 3, ...) face and the face spacing of the optical axis B of the +1st face. Further, Ndj denotes the optical factor which is closest to the object side as the first one, and the jth (j=1, 2, 3, ...) optical factor which increases sequentially toward the image side, and the refractive index of the d line, vdj Indicates the 10 Abbe number of the d-line of the first optical factor. In Table 1, the radius of curvature is set to be positive when the object side is convex and negative when the image side is convex. In the various data of Table 1, 'Fno. denotes an F number, and 2ω denotes a full angle of view' L denotes a distance from the object side surface of the first lens L丨 to the optical axis of the image plane (the back focal length portion is air) In the converted length), Bf represents the distance from the image side surface of the sixth lens "15" to the image plane (corresponding to the back focus, air conversion length), f is the focal length of the entire system, and fl is the focal length of the first lens ,. 〇 is the focal length of the second lens L2, f3 is the focal length of the third lens [3, which is the focal length of the fourth lens L4, f5 is the focal length of the fifth lens L5, f6 is the focal length of the sixth lens B6, and f456 is the The composite focal length 20 from the fourth lens L4 to the sixth lens 匕6 (the combined focal length of the fourth lens B4, the fifth lens L5, and the sixth lens L6), and the maximum image height 'IM' of the IH疋 on the image plane is The maximum ray height of the surface of 20 M359701 on the object side of the first lens L1. In the various data of Table 1, the unit of 2ω is the degree. The unit of curvature radius and surface interval of Table !, L, Bf of each table i, and each Focal length, composite focal length, IH, EDI unit 'here use 'mm'. However, the optical system even• 5 Proportional enlargement or scaling down also obtains the same optical performance, so the unit is not limited to "mm", and other suitable units can be used. In Fig. 2, the left side of the figure is the object side, and the right side is the image side. The sinusoidal light column St shown in Fig. 2 indicates the position on the optical axis z instead of the shape or size. The symbols Ri, Di (i = 1, 2, 3, ...) of Fig. 2 correspond to the table by 10. The table of the above description The meaning of the symbols in 1 and the method of illustrating the lens structure diagram are basically the same for the embodiments to be described later. The photographic lens of the first embodiment is sequentially composed of the first lens L1 of the biconcave lens and the second lens L2 of the lenticular lens from the object side. The third lens 匕3, 15 of the lenticular lens has an aperture stop, a fourth lens L4 of a biconcave lens, a fifth lens L5 having a convex surface facing the image side convex lens, and a sixth lens L6 of the lenticular lens. [Embodiment 2] Fig. 3 is a view showing a lens configuration of a photographic lens of Embodiment 2, and Table 2 shows a lens number and various data. The photographic lens of Embodiment 2 is sequentially made of a first lens L1 of a biconcave lens from the object side. Second lens L2 of double lenticular lens The second lens L3, the aperture stop St, a fourth lens of a biconcave lens [mu], the fifth lens having a convex surface toward the image side plano-convex lens. Biconvex sixth lens 6 constitute a dagger. Brother 21 25 M359701
[表2] 實施例2透鏡數據[Table 2] Example 2 Lens Data
Si — Di 1 -^23. 65 0. 70 2 ^5· 29 1.98 3 _l〇. 89 2. 70 4 二 15. 39 0.10 5 ^1.35 3.00 6 二 14. 35 0.85 7(孔徑光欄） 〜 〜 0.93 8 乂5.94 〇. 99 9 _9· 40 〇. 57 — 1〇 ,_〇.〇〇 2.50 11 ^6. 28 0.10 — 12 _9· 57 2.40 13 —. _^3.95 3.69 —14 〇〇 0. 40 一 15 OD 1.20 L_像面 — Ndj 1. 7725 1.7880 1. 8348 1.9229 1. 8830 1.5831 1.5168 實施例2各種數據 _vdjΙθΓβ 47.4 42. 7 18.9 40. 59.4 64.2Si — Di 1 —^23. 65 0. 70 2 ^5· 29 1.98 3 _l〇. 89 2. 70 4 II 15. 39 0.10 5 ^1.35 3.00 6 II 14. 35 0.85 7 (Aperture diaphragm) ~ ~ 0.93 8 乂5.94 〇. 99 9 _9· 40 〇. 57 — 1〇, _〇.〇〇 2.50 11 ^6. 28 0.10 — 12 _9· 57 2.40 13 —. _^3.95 3.69 —14 〇〇0. 40 A 15 OD 1.20 L_image surface - Ndj 1. 7725 1.7880 1. 8348 1.9229 1. 8830 1.5831 1.5168 Example 2 various data _vdjΙθΓβ 47.4 42. 7 18.9 40. 59.4 64.2
Fno. 2. 00 2ω 54.2 L 21.98 Bf 5.16 f 5.89 fl -5.54 f2 8.47 f3 8.02 f4 -3.82 f5 7. 12 f6 13. 07 f456 12.20 IH 2.8 EDI 7. 10 <實施例3> 、圖4表不實施例3的攝影透鏡的透鏡結構圖，表3表示 透鏡數據及各種數據。實施例3的攝影透鏡從物側依次由雙 :透鏡的第—透獻1、雙凸透鏡的第二透鏡L2、雙凸透鏡 /二透鏡L3、孔徑光獅、雙凹透鏡的第四透⑽、將 10 的正彎月形透鏡的第五透鏡u、雙凸透鏡的 第六透鏡L6構成。 [表3]Fno. 2. 00 2ω 54.2 L 21.98 Bf 5.16 f 5.89 fl -5.54 f2 8.47 f3 8.02 f4 -3.82 f5 7. 12 f6 13. 07 f456 12.20 IH 2.8 EDI 7. 10 <Example 3> A lens configuration diagram of the photographic lens of Example 3, and Table 3 shows lens data and various data. The photographic lens of Embodiment 3 is sequentially from the object side by double: the first permeable of the lens, the second lens L2 of the lenticular lens, the lenticular lens/two lens L3, the aperture lion, the fourth lens of the biconcave lens, and 10 The fifth lens u of the positive meniscus lens and the sixth lens L6 of the lenticular lens are formed. [table 3]
實施例3透鏡數據 實施例3各種數據Example 3 Lens Data Example 3 Various Data
Fno. 2. 〇〇 —*-——~ 2ω 54. 2 —•丨** 22 M359701Fno. 2. 〇〇 —*-——~ 2ω 54. 2 —•丨** 22 M359701
2 5.76 2.09 3 15.31 2.40 1.7880 47.4 4 -16. 66 0. 10 5 10.20 3. 〇〇 1.8348~ 42.7 6 -15. 14 1. 29 7(孔徑光攔） - 0.89 8 -6.22 0.98 1.9229 18.9 9 9.67 0.57 10 -41. 55 2.50 1. 8348 42. 7 11 -6.01 0. 10 12 9.60 2.20~^ 1.7130 53.9 13 -29.86 3. 70 14 〇〇 0.40 1. 5168 64. 2 15 〇〇 1.20 像面 一 — L 21.99 Bf 5.16 f 5.83 fl 一6. 08 f2 10.47 f3 7.72 f4 -3.98 f5 8,15 f6 10.43 f456 9.89 IH 2.8 EDI 7.64 〈實施例4> 圖5表示實施例4的攝影透鏡的透鏡結構圖，表4表示 透鏡數據及各種數據。實施例4的攝影透鏡從物側依次由雙 凹透鏡的第一透鏡L1、雙凸透鏡的第二透鏡、雙凸透鏡 的第三透鏡L3、孔徑光攔St、雙凹透鏡的第四透鏡、將 凸面朝向像側的正彎月形透鏡的第五透鏡L5、雙凸透鏡的 第六透鏡L6構成。 [表4] 10 實施例4透鏡數據 Si Ri Di Ndj ~~----1 vdj 1 -— -23.53 0.70 1.7550 —------ 52.3 2 ------ 5. 74 1.81 --—- 3 ------ 10. 92 2.70 1. 7130 5379 4 -15. 65 0. 10 *" 一丨 --- 5 ----- 9.96 3.00 1.8348 —--- 42.7 6 ----- ~16· 96 1. 17 -------- LlilL徑光欄） 一 0.91 ---- 實施例4各種數據2 5.76 2.09 3 15.31 2.40 1.7880 47.4 4 -16. 66 0. 10 5 10.20 3. 〇〇1.8348~ 42.7 6 -15. 14 1. 29 7 (aperture stop) - 0.89 8 -6.22 0.98 1.9229 18.9 9 9.67 0.57 10 -41. 55 2.50 1. 8348 42. 7 11 -6.01 0. 10 12 9.60 2.20~^ 1.7130 53.9 13 -29.86 3. 70 14 〇〇0.40 1. 5168 64. 2 15 〇〇1.20 Image 1 - L 21.99 Bf 5.16 f 5.83 fl A 6. 08 f2 10.47 f3 7.72 f4 -3.98 f5 8,15 f6 10.43 f456 9.89 IH 2.8 EDI 7.64 <Example 4> Fig. 5 shows a lens configuration diagram of the photographic lens of Example 4, and Table 4 Indicates lens data and various data. The photographic lens of Embodiment 4 is sequentially composed of a first lens L1 of a biconcave lens, a second lens of a lenticular lens, a third lens L3 of a lenticular lens, a fourth lens of an aperture stop St, and a biconcave lens from the object side, and the convex surface is oriented toward the image. The fifth lens L5 of the positive meniscus lens and the sixth lens L6 of the lenticular lens are formed. [Table 4] 10 Example 4 Lens Data Si Ri Di Ndj ~~----1 vdj 1 -- -23.53 0.70 1.7550 —------ 52.3 2 ------ 5. 74 1.81 -- —- 3 ------ 10. 92 2.70 1. 7130 5379 4 -15. 65 0. 10 *" 一丨--- 5 ----- 9.96 3.00 1.8348 —--- 42.7 6 -- --- ~16· 96 1. 17 -------- LlilL path bar) a 0.91 ---- Example 4 various data
Fno. 2. 00 2ω 50.4 L 21.98 Bf 5. 16 f 6.27 .fl -6.05 f2 9.42 f3 7.92 23 M359701Fno. 2. 00 2ω 50.4 L 21.98 Bf 5. 16 f 6.27 .fl -6.05 f2 9.42 f3 7.92 23 M359701
f4 「3· 95 f5 8. 10 f6 11. 15— f456 11.29 IH 2.8 _ EDI 7. 53 、圖6表不實施例5的攝影透鏡的透鏡結構圖，表5表示 、兄數據及各種數據。實施例5的攝影透鏡從物側依次由雙 凹透鏡的第一透鏡L1、雙凸透鏡的第二透鏡L2、雙凸透鏡 的第二透鏡L3、孔徑光欄St、雙凹透鏡的第四透鏡L4、將 凸面朝向像側的平凸透鏡的第五透鏡L5、雙凸透鏡的第六 透鏡L6構成。 1〇 [表 5]F4 "3·95 f5 8. 10 f6 11. 15- f456 11.29 IH 2.8 _ EDI 7. 53 Fig. 6 shows a lens configuration diagram of the photographic lens of the fifth embodiment, and Table 5 shows the brother data and various data. The photographic lens of Example 5 is, in order from the object side, a first lens L1 of a biconcave lens, a second lens L2 of a lenticular lens, a second lens L3 of a lenticular lens, an aperture stop St, a fourth lens L4 of a biconcave lens, and a convex surface The fifth lens L5 of the plano-convex lens of the image side and the sixth lens L6 of the lenticular lens are formed. 1〇[Table 5]
實施例5透鏡數據 Si Ri Di Ndj vdj 1 -27. 54 0.70 1. 7725 49.T~ 2 5.94 1.84 3 13.84 2.50 1. 7880 47.4 4 -19. 55 0. 10 5 9. 44 3.00 1. 8348 42.T~ 6 -16. 44 1.27 7 (孔徑光欄） - 0.77 8 -7.45 1.07 1. 9229 ·—.— 18.9 9 8. 72 0.57 10 0. 00 2.50 1.8830 40.8 ~ 11 -7.00 0. 10 實施例5各種數據Example 5 Lens Data Si Ri Di Ndj vdj 1 -27. 54 0.70 1. 7725 49.T~ 2 5.94 1.84 3 13.84 2.50 1. 7880 47.4 4 -19. 55 0. 10 5 9. 44 3.00 1. 8348 42 .T~ 6 -16. 44 1.27 7 (Aperture diaphragm) - 0.77 8 -7.45 1.07 1. 9229 ·—.— 18.9 9 8. 72 0.57 10 0. 00 2.50 1.8830 40.8 ~ 11 -7.00 0. 10 Example 5 various data
24 M359701 12 9. 30 2. 20 1.5831 59.4 13 -57.01 3.95 14 〇〇 0.40 1.5168 64.2 15 〇〇 1.20 像面 一 IH 2.8 EDI 7. 53 〈實施例6> 圖7表示實施例6的攝影透鏡的透鏡結構圖，表6表示 透鏡數據及各種數據。實施例6的攝影透鏡從物側依次由雙 5 凹透鏡的第一透鏡L1、雙凸透鏡的第二透鏡L2、雙凸透鏡 的第三透鏡L3、孔徑光欄St、雙凹透鏡的第四透鏡L4、將 凸面朝向像側的平凸透鏡的第五透鏡L5、雙凸透鏡的第六 透鏡L6構成。 [表6]24 M359701 12 9. 30 2. 20 1.5831 59.4 13 -57.01 3.95 14 〇〇0.40 1.5168 64.2 15 〇〇1.20 Image plane IH 2.8 EDI 7. 53 <Embodiment 6> Fig. 7 shows a lens of the photographic lens of Example 6. The structure diagram, Table 6 shows the lens data and various data. The photographic lens of Embodiment 6 is sequentially composed of a first lens L1 of a double 5-concave lens, a second lens L2 of a lenticular lens, a third lens L3 of a lenticular lens, an aperture stop St, and a fourth lens L4 of a biconcave lens from the object side. The convex surface is formed toward the fifth lens L5 of the plano-convex lens on the image side and the sixth lens L6 of the lenticular lens. [Table 6]
10 實施例6透鏡數據10 Example 6 lens data
Si Ri Di Ndj vdj 1 -28. 50 0. 70 1.7725 49.6 2 6. 06 1.45 3 12.30 2. 50 1. 7880 47.4 4 -29.09 0.10 5 9.20 3.00 1. 8348 42.7 6 -16. 20 1.38 7 (孔徑光攔） 一 0. 77 8 -7.37 0.82 1.9229 20.9 9 9.41 0. 57 10 0.00 2.50 1. 8830 40.8 11 -7.21 0.10 12 9. 37 2.20 1. 5831 卜59. 4 13 -57. 24 4. 50 14 〇〇 0.40 1.5168 64.2 15 〇〇 1.20 像面 - 實施例6各種數據Si Ri Di Ndj vdj 1 -28. 50 0. 70 1.7725 49.6 2 6. 06 1.45 3 12.30 2. 50 1. 7880 47.4 4 -29.09 0.10 5 9.20 3.00 1. 8348 42.7 6 -16. 20 1.38 7 (Aperture light Block) 0. 77 8 -7.37 0.82 1.9229 20.9 9 9.41 0. 57 10 0.00 2.50 1. 8830 40.8 11 -7.21 0.10 12 9. 37 2.20 1. 5831 Bu 59. 4 13 -57. 24 4. 50 14 〇 〇0.40 1.5168 64.2 15 〇〇1.20 Image plane - Example 6 various data
Fno. ^2.00 ----- 22. 06 2ω Bf ~~5Γ96~~· f fl ----- 一6· 4i f2 ''''7—i^ f3 7T43~~~ f4 j --^ f5 ----- f6 L13.98 f456 IH EDI __ 25 M359701 <實施例7 > 圖8表示實施例7的攝影透鏡的透鏡結構圖，表7表示 透鏡數據及各種數據。實施例7的攝影透鏡從物側依次由雙 凹透鏡的第一透鏡L1、雙凸透鏡的第二透鏡L2、雙凸透鏡 的第三透鏡L3、孔徑光欄St、雙凹透鏡的第四透鏡L4、將 凸面朝向像側的正彎月形透鏡的第五透鏡L5、雙凸透鏡的 第六透鏡L6構成。 [表7] 實施例7各種數據 實施例7透鏡數據Fno. ^2.00 ----- 22. 06 2ω Bf ~~5Γ96~~· f fl ----- a 6· 4i f2 ''''7-i^ f3 7T43~~~ f4 j --^ F5 ----- f6 L13.98 f456 IH EDI__ 25 M359701 <Example 7> Fig. 8 shows a lens configuration diagram of the photographing lens of Example 7, and Table 7 shows lens data and various data. The photographic lens of Embodiment 7 is sequentially composed of a first lens L1 of a biconcave lens, a second lens L2 of a biconvex lens, a third lens L3 of a lenticular lens, an aperture stop St, a fourth lens L4 of a biconcave lens, and a convex surface from the object side. The fifth lens L5 of the positive meniscus lens toward the image side and the sixth lens L6 of the lenticular lens are formed. [Table 7] Example 7 Various Data Example 7 Lens Data
Fno. 2.00 2ω 54.2 L 21. 16 Bf 5. 16 f 5.89 fl -5.52 f2 7. 73 f3 7.33 f4 -3. 38 f5 8. 15 f6 10.42 f456 12. 65 IH 2.8 EDI 6. 98Fno. 2.00 2ω 54.2 L 21. 16 Bf 5. 16 f 5.89 fl -5.52 f2 7. 73 f3 7.33 f4 -3. 38 f5 8. 15 f6 10.42 f456 12. 65 IH 2.8 EDI 6. 98
Si Ri Di Ndj vdj 1 -23. 55 0. 70 1.7550 52.3 2 5.13 1.85 3 10.25 2. 70 1.8040 46.6 4 -13.94 0. 10 5 9.05 3. 00 1. 8348 42.7 6 -16. 05 0.53 7(孔徑光欄） - 0.83 8 1-6. 73 0. 72 2. 1435 17.8 9 9.61 ~~ ----- 0. 57 10 -23. 93 2. 50 1.8830 40.8 11 -5.80 0. 10 12 9. 38 2.40 1. 7130 53. 9 13 ~31. 95 3. 69 14 oo —--—- 0.40 1. 5168 64 2 15 oo 1.20 像面 - 將與實施例1〜 - 7的攝 影透鏡 _ ( 1 )〜（13 ) 對應的值示於表8。在實施例1〜7中，將d線㈣基準波長， 表8表不m準波長的各值。而且，根據表8可知，實施 例1〜7全部滿足條件式（1)〜（丨3)。 26 M359701 [表8]Si Ri Di Ndj vdj 1 -23. 55 0. 70 1.7550 52.3 2 5.13 1.85 3 10.25 2. 70 1.8040 46.6 4 -13.94 0. 10 5 9.05 3. 00 1. 8348 42.7 6 -16. 05 0.53 7 (Aperture light Column) - 0.83 8 1-6. 73 0. 72 2. 1435 17.8 9 9.61 ~~ ----- 0. 57 10 -23. 93 2. 50 1.8830 40.8 11 -5.80 0. 10 12 9. 38 2.40 1. 7130 53. 9 13 ~ 31. 95 3. 69 14 oo —---- 0.40 1. 5168 64 2 15 oo 1.20 Image surface - will be with the photographic lens of Example 1~-7 _ (1)~( 13) The corresponding values are shown in Table 8. In Examples 1 to 7, the d-line (four) reference wavelength was used, and Table 8 shows the values of the m-quasi-wavelength. Further, as is clear from Table 8, all of Examples 1 to 7 satisfy the conditional expressions (1) to (丨3). 26 M359701 [Table 8]
條件式 (1) (2) (3) (4) (5) (6) (7) f5/f6 f2/f3 R3/f L/f f5/f | fl/f2 | f456/f 實施例1 0.60 1.36 2.64 3. 77 1.23 0. 56 1.84 實施例2 0. 54 1.06 1.85 3.73 1.21 0. 65 2.07 實施例3 0.78 1.36 2. 62 3. 77 1.40 0. 58 1.70 實施例4 0.73 1. 19 1.74 3.50 1.29 0.64 1.80 實施例5 0.57 1.40 2. 04 3.25 1. 17 0.59 2. 27 實施例6 0. 58 1.52 1.67 3.00 1.11 0. 57 2. 23 實施例7 0. 78 1.05 1. 74 3. 59 1.38 0. 71 2. 15 條 件式 (8) (9) (10) (11) (12) (13) Bf/f f2/f 1 R8/R9 1 1 R4/f | Bf/(L-Bf) ED1/IH 實施例1 0.88 1.73 0. 68 -2.64 0.31 2.63 實施例2 0. 88 1.44 0.63 -2.61 0.31 2. 53 實施例3 0.89 1.79 0.64 -2.85 0.31 2.73 實施例4 0. 82 1.50 0.63 -2.50 0.31 2.69 實施例5 0. 80 1.57 0. 86 -2.89 0. 33 2. 69 實施例6 0.81 1.53 0. 78 -3.95 0.37 2. 71 實施例7 0.88 1.31 0. 70 -2.37 0. 32 2.49Conditional Formula (1) (2) (3) (4) (5) (6) (7) f5/f6 f2/f3 R3/f L/f f5/f | fl/f2 | f456/f Example 1 0.60 1.36 2.64 3. 77 1.23 0. 56 1.84 Example 2 0. 54 1.06 1.85 3.73 1.21 0. 65 2.07 Example 3 0.78 1.36 2. 62 3. 77 1.40 0. 58 1.70 Example 4 0.73 1. 19 1.74 3.50 1.29 0.64 1.80 Example 5 0.57 1.40 2. 04 3.25 1. 17 0.59 2. 27 Example 6 0. 58 1.52 1.67 3.00 1.11 0. 57 2. 23 Example 7 0. 78 1.05 1. 74 3. 59 1.38 0. 71 2. 15 Conditional formula (8) (9) (10) (11) (12) (13) Bf/f f2/f 1 R8/R9 1 1 R4/f | Bf/(L-Bf) ED1/IH Example 1 0.88 1.73 0. 68 - 2.64 0.31 2.63 Example 2 0. 88 1.44 0.63 - 2.61 0.31 2. 53 Example 3 0.89 1.79 0.64 - 2.85 0.31 2.73 Example 4 0. 82 1.50 0.63 - 2.50 0.31 2.69 Example 5 0. 80 1.57 0. 86 -2.89 0. 33 2. 69 Example 6 0.81 1.53 0. 78 -3.95 0.37 2. 71 Example 7 0.88 1.31 0. 70 -2.37 0. 32 2.49
圖9(A)、圖9(B)、圖9(C)、圖9(D)分別表 示實施例1的攝影透鏡的球面像差、非點像差（也稱像散）、 畸變（歪曲像差）、倍率色像差（倍率的色像差）的像差 圖。在各像差圖中，表示以d線（587.56nm)爲基準波長 的像差，但是在球面像差圖及倍率色像差圖中，還表示對 ?線（波長486.1311111)、(：線（波長656.2711111)、5線（852.1 111111) 的像差。而且，在球面像差中，也一併表示作爲osc的正弦條件違反量（Offence against the Sine Condition)。球面像差圖的Fno.是F數’其他的像差圖的ω表示半視場角。 就畸變的圖而言，利用整個系統的焦距f、視場角φ (變數 處理，〇$ ω ) ’將理想像高設爲fxtan(p，表示距它的偏 27 10 M359701 移量。 匕外同樣地’在圖10(A)〜圖10(D)、圖Η (a) 〜ffillCD)、圖12(/〇〜圖12(D)、圖13(幻〜圖 13(D)、圖 14(A)〜圖 14(D)、圖 15(A)〜圖 i5(D) 5分別表示上述實施例2、3、4、5、6、7相關的攝影透鏡的 球面像差、非點像差、畸變（歪曲像差）、倍率色像差的 像差圖。根據各像差圖可知，上述實施例1〜5從可見光區 域直到近紅外區域，各像差被良好地校正。 實施例1〜7的攝影透鏡是在6片透鏡結構中，全部由 10球面透鏡構成，因完全不使用接合透鏡而全部都由單透鏡 構成，所以可低價製作。此外，實施例1〜7的攝影透鏡謀 求小型且廣角化且具有良好的光學性能，F數小到2 〇，從 可見光區域直到近紅外區域，被良好地像差校正，因此， 可以在監視攝影機或用於拍攝汽車的前方、側方、後方等 15的影像的車載用攝影機睿很好地使用。 作爲使用例，圖16表示在汽車1 〇〇搭載了具備本實施 方式的攝影透鏡的攝影裝置的樣子。在圖16中，汽車100 具備用於拍攝其副駕駛席側的側面的死角範圍的車外攝影 機101、用於拍攝汽車100的後側的死角範圍的車外攝影機 20 1〇2、安裝在内視鏡的背面並用於拍攝與駕駛員相同的視野 範圍的車内攝影機103。車外攝影機1(H、車外攝影機1〇2、 車内攝影機103是本創作的實施方式相關的攝影裝置，具備 本創作的實施例的攝影透鏡和將由該攝影透鏡形成的光學 像變換成電信號的攝影元件。 28 M359701 以 本創作的實施例㈣賴影透鏡具有上述的優點，所 車外攝影機10卜102及車内攝影機1〇3也可以小型且低價 地構成，可以在其攝影元件的攝影面上成像良好的像。貝 以上，舉出實施方式及實施例說明了本創作，但是 創作不限於上述的實施方式及實施例，可以進行各種變 形。例如，各透鏡成分的曲率半徑、面間隔、折射率、阿 貝數的值不隨上述各數值實_所示龍 的值。 〜六他9(A), 9(B), 9(C), and 9(D) show spherical aberration, astigmatism (also called astigmatism), and distortion (distortion) of the imaging lens of Example 1 respectively. Aberration diagram of aberration, chromatic aberration of magnification (chromatic aberration of magnification). In each aberration diagram, the aberration with the d line (587.56 nm) as the reference wavelength is shown. However, in the spherical aberration diagram and the magnification chromatic aberration diagram, the diagonal line (wavelength 486.11111111) and (: line ( The aberration of the wavelength of 656.2711111) and the 5-line (852.1 111111). Moreover, in the spherical aberration, the sine condition of the osc is also indicated (Offence against the Sine Condition). The Fno. of the spherical aberration diagram is F. The number ω of the other aberration diagrams represents the half angle of view. In the case of the distortion map, the ideal image height is set to fxtan using the focal length f of the entire system and the angle of view φ (variable processing, 〇$ ω ). p, indicating the shift from the side of 27 10 M359701. The same as in Figure 10 (A) ~ Figure 10 (D), Figure (a) ~ ffillCD), Figure 12 (/ 〇 ~ Figure 12 (D Fig. 13 (phantom to Fig. 13 (D), Fig. 14 (A) to Fig. 14 (D), Fig. 15 (A) to Fig. i5 (D) 5 respectively show the above-described embodiments 2, 3, 4, 5, 6,7, the spherical aberration of the photographic lens, the astigmatism, the distortion (distortion aberration), and the aberration chromatic aberration diagram. According to the aberration diagrams, the above embodiments 1 to 5 are from the visible light region until Near red In the region, the aberrations are well corrected. The photographic lenses of the first to seventh embodiments are all composed of a 10-spherical lens in a six-lens lens structure, and all of them are composed of a single lens without using a cemented lens at all, so that the photographic lens can be low. In addition, the imaging lenses of Examples 1 to 7 are small and wide-angled and have excellent optical performance, and the F number is as small as 2 〇, and is well corrected from the visible light region to the near-infrared region. The camera camera for use in the surveillance camera or the image for capturing the front, side, rear, etc. of the car 15 is used very well. As an example of use, FIG. 16 shows that the photographic lens of the present embodiment is mounted on the car 1 In Fig. 16, the automobile 100 is provided with an exterior camera 101 for photographing the dead angle range of the side of the passenger's seat side, and an exterior camera 20 for capturing the dead angle range of the rear side of the automobile 100. , mounted on the back of the endoscope and used to capture the in-camera camera 103 with the same field of view as the driver. Off-board camera 1 (H, outside camera 1 2, inside camera) The video camera 103 is an imaging device according to an embodiment of the present invention, and includes an imaging lens of an embodiment of the present invention and an imaging element that converts an optical image formed by the imaging lens into an electrical signal. 28 M359701 The present embodiment (4) The shadow lens has the above-described advantages, and the outdoor camera 10 102 and the in-vehicle camera 1〇3 can be configured to be small and inexpensive, and can form a good image on the imaging surface of the imaging element. The present invention has been described in the embodiment, but the creation is not limited to the above-described embodiments and examples, and various modifications can be made. For example, the values of the radius of curvature, the interplanar spacing, the refractive index, and the Abbe number of each lens component do not follow the value of the dragon shown in the above numerical values. ~ six he
10 ’對於在車載用攝影 ’但是本創作不限於 用攝影機或監視攝影 此外，在攝影裝置的實施方式中 機適用本創作的例子圖示進行了說明 該用途，例如還可以適用於便攜終端 機等。 【圖式簡單說明】 15 圖1是本創作的-實施方式的攝影透鏡的光路圖。 結構的圖圖示本創作的實施例1相關的攝影透鏡的透鏡 結構的圖Γ面表；:本創作的實施例2相關的攝影透鏡的透鏡 20 結構的剖面^本創作的實知例3相關的攝影透鏡的透鏡 結構^是面表圖示本創作的實施例4相關的攝影透鏡的透鏡 疋表不本貪η乍的Λ施例5相M的攝影透鏡的透鏡 29 M359701 結構的剖面圖。 結構=本創作的實施例6相關咐^10 'For photography for in-vehicles', the present invention is not limited to the use of a camera or surveillance photography. In addition, in the embodiment of the imaging device, an example of the application of the present invention is illustrated. The application is described, and for example, it can be applied to a portable terminal or the like. . BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an optical path diagram of a photographic lens of the present invention. The figure of the structure is a diagram showing the lens structure of the photographic lens relating to the first embodiment of the present invention; the section of the lens 20 structure of the photographic lens related to the second embodiment of the present invention is related to the practical example 3 of the present creation. The lens structure of the photographic lens is a cross-sectional view showing the structure of the lens 29 M359701 of the photographic lens of the fifth embodiment of the lens of the photographic lens according to the fourth embodiment of the present invention. Structure = Example 6 of this creation related 咐^
S 透鏡=/差)圖〜圓9(D)是本創作的實施例1相關的攝影 施例2相關的攝 圖10(A)〜圖i〇(D)是本創作的實 影透鏡的各像差圖。 圖11 ( A)圖u⑻是本創作的實施例3相關的攝 衫透鏡的各像差圖。 圖12 ( A )圖12 ( d )是本創作的實施例4相關的攝 影透鏡的各像差圖。 圖13 ( A)〜圖( D)是本創作的實施例5相關的攝 !5 影透鏡的各像差圖。 圖14 ( A )〜圖14 ( D )是本創作的實施例6相關的攝 影透鏡的各像差圖。 圖15 ( A)〜圖15 ( D)是本創作的實施例7相關的攝 影透鏡的各像差圖。 2〇 圖16是用於說明本創作的實施方式相關的車載用的 攝影裝置的配置的圖。 【主要元件符號說明】 攝影透鏡1 軸上光束2 30 M359701 軸外光束3,4 遮光機構11,12 車外攝影機101,102 孔徑光欄St 成像位置Pim 第一透鏡L1 第三透鏡L3 第五透鏡L5 面間隔S lens = / difference) Fig. - Circle 9 (D) is the photographing example 2 related to the photographing example 2 related to the first embodiment of the present invention. Fig. 10 (A) to Fig. i (D) are the respective real lens of the present creation. Aberration map. Fig. 11 (A) Figure u (8) is a diagram showing aberrations of the lens of the lens of the third embodiment of the present invention. Fig. 12 (A) Fig. 12 (d) is a diagram showing aberrations of the photographic lens of the fourth embodiment of the present invention. Fig. 13 (A) to (D) are aberration diagrams of the photographic lens of the fifth embodiment of the present invention. Figs. 14(A) to 14(D) are diagrams showing aberrations of the photographic lens of the sixth embodiment of the present invention. Fig. 15 (A) to Fig. 15 (D) are aberration diagrams of the photographic lens of the seventh embodiment of the present invention. Fig. 16 is a view for explaining the arrangement of a vehicle-mounted photographing apparatus according to an embodiment of the present invention. [Description of main component symbols] Photographic lens 1 On-axis beam 2 30 M359701 Off-axis beam 3, 4 Shading mechanism 11, 12 Off-board camera 101, 102 Aperture diaphragm St Imaging position Pim First lens L1 Third lens L3 Fifth lens L5 Surface spacing
D1,D2,D3,D4,D5,D6,D7,D8, D9,D10,D11,D12,D13,D14 ,D15 攝影元件5 汽車100 車内攝影機103 光學部件PP 光轴Z 第二透鏡L2 第四透鏡L4 第六透鏡L6 曲率半徑D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15 Photographic elements 5 Automotive 100 In-vehicle camera 103 Optical components PP Optical axis Z Second lens L2 Fourth lens L4 sixth lens L6 radius of curvature
R1,R2,R3,R4,R5,R6,R8,R9,R 10,R11,R12,R13,R14,R15R1, R2, R3, R4, R5, R6, R8, R9, R 10, R11, R12, R13, R14, R15
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| TWI451121B (en) * | 2013-02-08 | 2014-09-01 | Newmax Technology Co Ltd | Six-piece optical lens system |
| CN108627952A (en) * | 2018-02-08 | 2018-10-09 | 富晋精密工业（晋城）有限公司 | Optical lens |
| TWI786810B (en) * | 2021-09-07 | 2022-12-11 | 信泰光學（深圳）有限公司 | Wide-angle lens assembly |
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| CN102736218B (en) * | 2012-05-31 | 2014-10-08 | 舜宇光学(中山)有限公司 | 5-megapixel monitoring lens |
| KR102060658B1 (en) | 2012-07-25 | 2019-12-30 | 삼성전자주식회사 | Photographing lens and photographing apparatus |
| DE112013006874T5 (en) | 2013-03-26 | 2015-12-24 | Fujifilm Corporation | Imaging lens and imaging device |
| JP2016062020A (en) | 2014-09-19 | 2016-04-25 | 富士フイルム株式会社 | Imaging lens and imaging apparatus |
| JP2016062019A (en) | 2014-09-19 | 2016-04-25 | 富士フイルム株式会社 | Imaging lens and imaging apparatus |
| JP2016062021A (en) | 2014-09-19 | 2016-04-25 | 富士フイルム株式会社 | Imaging lens and imaging apparatus |
| JP2016212134A (en) | 2015-04-30 | 2016-12-15 | 富士フイルム株式会社 | Imaging lens and imaging device |
| CN107315237B (en) * | 2017-08-18 | 2023-03-24 | 广东北创光电科技股份有限公司 | Optical lens with focal length of 12mm |
| CN109991715B (en) * | 2017-12-29 | 2022-01-07 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN108398769B (en) * | 2018-05-30 | 2019-10-25 | 广东旭业光电科技股份有限公司 | Optical imaging lens |
| CN109470157B (en) * | 2018-12-27 | 2023-10-13 | 博众精工科技股份有限公司 | Imaging system and device for inner hole detection |
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| JPS5517132A (en) * | 1978-07-24 | 1980-02-06 | Konishiroku Photo Ind Co Ltd | High contrast objective lens used in finite distance |
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|---|---|---|---|---|
| TWI451121B (en) * | 2013-02-08 | 2014-09-01 | Newmax Technology Co Ltd | Six-piece optical lens system |
| CN108627952A (en) * | 2018-02-08 | 2018-10-09 | 富晋精密工业（晋城）有限公司 | Optical lens |
| CN108627952B (en) * | 2018-02-08 | 2020-02-14 | 富晋精密工业（晋城）有限公司 | Optical lens |
| TWI786810B (en) * | 2021-09-07 | 2022-12-11 | 信泰光學（深圳）有限公司 | Wide-angle lens assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010091697A (en) | 2010-04-22 |
| JP5479702B2 (en) | 2014-04-23 |
| CN201340475Y (en) | 2009-11-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK4K | Expiration of patent term of a granted utility model |