IMAGING LENS
To provide an imaging lens that is short and nonetheless enables various aberrations thereof to be excellently corrected.SOLUTION: An imaging lens has configuration in which: a first lens L1 with positive refractive power; a second lens L2 with negative refractive power; a third lens L3 with the pos...
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| creator | YAMAZAKI MASATERU KUBOTA KENICHI |
| description | To provide an imaging lens that is short and nonetheless enables various aberrations thereof to be excellently corrected.SOLUTION: An imaging lens has configuration in which: a first lens L1 with positive refractive power; a second lens L2 with negative refractive power; a third lens L3 with the positive refractive power; a fourth lens L4 with the positive refractive power; a fifth lens L5; a sixth lens L6; a seventh lens L7 with the negative refractive power; and an eight lens L8 with the negative refractive power are arranged in this order toward an image plane IM side from an object side. A face on the object side of the sixth lens L6 is formed in a concave surface on a paraxial axis, and a face on the object side of the eight lens L8 is formed in a convex surface on the paraxial axis.SELECTED DRAWING: Figure 1
【課題】低背でありながらも諸収差を良好に補正することのできる撮像レンズを提供する。【解決手段】物体側から像面ＩＭ側に向かって順に、正の屈折力を有する第１レンズＬ１と、負の屈折力を有する第２レンズＬ２と、正の屈折力を有する第３レンズＬ３と、正の屈折力を有する第４レンズＬ４と、第５レンズＬ５と、第６レンズＬ６と、負の屈折力を有する第７レンズＬ７と、負の屈折力を有する第８レンズＬ８とを配置する。第６レンズＬ６の物体側の面を近軸において凹面に形成するとともに、第８レンズＬ８の物体側の面を近軸において凸面に形成する。【選択図】図１ |
| format | Patent |
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【課題】低背でありながらも諸収差を良好に補正することのできる撮像レンズを提供する。【解決手段】物体側から像面ＩＭ側に向かって順に、正の屈折力を有する第１レンズＬ１と、負の屈折力を有する第２レンズＬ２と、正の屈折力を有する第３レンズＬ３と、正の屈折力を有する第４レンズＬ４と、第５レンズＬ５と、第６レンズＬ６と、負の屈折力を有する第７レンズＬ７と、負の屈折力を有する第８レンズＬ８とを配置する。第６レンズＬ６の物体側の面を近軸において凹面に形成するとともに、第８レンズＬ８の物体側の面を近軸において凸面に形成する。【選択図】図１</description><language>eng ; jpn</language><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; PHYSICS</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220620&DB=EPODOC&CC=JP&NR=2022091037A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220620&DB=EPODOC&CC=JP&NR=2022091037A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMAZAKI MASATERU</creatorcontrib><creatorcontrib>KUBOTA KENICHI</creatorcontrib><title>IMAGING LENS</title><description>To provide an imaging lens that is short and nonetheless enables various aberrations thereof to be excellently corrected.SOLUTION: An imaging lens has configuration in which: a first lens L1 with positive refractive power; a second lens L2 with negative refractive power; a third lens L3 with the positive refractive power; a fourth lens L4 with the positive refractive power; a fifth lens L5; a sixth lens L6; a seventh lens L7 with the negative refractive power; and an eight lens L8 with the negative refractive power are arranged in this order toward an image plane IM side from an object side. A face on the object side of the sixth lens L6 is formed in a concave surface on a paraxial axis, and a face on the object side of the eight lens L8 is formed in a convex surface on the paraxial axis.SELECTED DRAWING: Figure 1
【課題】低背でありながらも諸収差を良好に補正することのできる撮像レンズを提供する。【解決手段】物体側から像面ＩＭ側に向かって順に、正の屈折力を有する第１レンズＬ１と、負の屈折力を有する第２レンズＬ２と、正の屈折力を有する第３レンズＬ３と、正の屈折力を有する第４レンズＬ４と、第５レンズＬ５と、第６レンズＬ６と、負の屈折力を有する第７レンズＬ７と、負の屈折力を有する第８レンズＬ８とを配置する。第６レンズＬ６の物体側の面を近軸において凹面に形成するとともに、第８レンズＬ８の物体側の面を近軸において凸面に形成する。【選択図】図１</description><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODx9HV09_RzV_Bx9QvmYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBkZGBpaGBsbmjsZEKQIAuqscqQ</recordid><startdate>20220620</startdate><enddate>20220620</enddate><creator>YAMAZAKI MASATERU</creator><creator>KUBOTA KENICHI</creator><scope>EVB</scope></search><sort><creationdate>20220620</creationdate><title>IMAGING LENS</title><author>YAMAZAKI MASATERU ; KUBOTA KENICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2022091037A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2022</creationdate><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>YAMAZAKI MASATERU</creatorcontrib><creatorcontrib>KUBOTA KENICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAMAZAKI MASATERU</au><au>KUBOTA KENICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>IMAGING LENS</title><date>2022-06-20</date><risdate>2022</risdate><abstract>To provide an imaging lens that is short and nonetheless enables various aberrations thereof to be excellently corrected.SOLUTION: An imaging lens has configuration in which: a first lens L1 with positive refractive power; a second lens L2 with negative refractive power; a third lens L3 with the positive refractive power; a fourth lens L4 with the positive refractive power; a fifth lens L5; a sixth lens L6; a seventh lens L7 with the negative refractive power; and an eight lens L8 with the negative refractive power are arranged in this order toward an image plane IM side from an object side. A face on the object side of the sixth lens L6 is formed in a concave surface on a paraxial axis, and a face on the object side of the eight lens L8 is formed in a convex surface on the paraxial axis.SELECTED DRAWING: Figure 1
【課題】低背でありながらも諸収差を良好に補正することのできる撮像レンズを提供する。【解決手段】物体側から像面ＩＭ側に向かって順に、正の屈折力を有する第１レンズＬ１と、負の屈折力を有する第２レンズＬ２と、正の屈折力を有する第３レンズＬ３と、正の屈折力を有する第４レンズＬ４と、第５レンズＬ５と、第６レンズＬ６と、負の屈折力を有する第７レンズＬ７と、負の屈折力を有する第８レンズＬ８とを配置する。第６レンズＬ６の物体側の面を近軸において凹面に形成するとともに、第８レンズＬ８の物体側の面を近軸において凸面に形成する。【選択図】図１</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS |
| title | IMAGING LENS |
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