REAL IMAGE TYPE FINDER
PURPOSE:To manifest a crosswise spread feeling by increasing the magnification of a finder when it is turned to a panoramic size and simultaneously changing the aspect ratio. CONSTITUTION:This finer is provided with an objective lens system 1, a first imaging surface 2 by means of this objective len...
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| creator | IMAIZUMI MASAKI |
| description | PURPOSE:To manifest a crosswise spread feeling by increasing the magnification of a finder when it is turned to a panoramic size and simultaneously changing the aspect ratio. CONSTITUTION:This finer is provided with an objective lens system 1, a first imaging surface 2 by means of this objective lens system 1 and a relay lens system 3 for re-imaging a body image formed on the first imaging surface, and a second imaging surface 5 re-images an image formed on the first imaging surface 2 on this surface 5. An eyepiece 6 is one that observes an image on the second imaging surface 5, thus a real image finder system is composed of these elements. The relay lens system 3 is selected to another relay lens system 4 by this finder optical system, through which the extent of magnification in the body image being observed with the eyepiece 6 is increased, while, for example, a field diaphragm placed on the first imaging surface 2 is replaced with another field diaphragm different in an aspect ratio with a panoramic size aspect ratio. With this constitution, it is replaceable to a panoramic finder with a crosswise spread feeling, thus an ordinary finder is made selectly usable as a panoramic finder. |
| format | Patent |
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CONSTITUTION:This finer is provided with an objective lens system 1, a first imaging surface 2 by means of this objective lens system 1 and a relay lens system 3 for re-imaging a body image formed on the first imaging surface, and a second imaging surface 5 re-images an image formed on the first imaging surface 2 on this surface 5. An eyepiece 6 is one that observes an image on the second imaging surface 5, thus a real image finder system is composed of these elements. The relay lens system 3 is selected to another relay lens system 4 by this finder optical system, through which the extent of magnification in the body image being observed with the eyepiece 6 is increased, while, for example, a field diaphragm placed on the first imaging surface 2 is replaced with another field diaphragm different in an aspect ratio with a panoramic size aspect ratio. 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With this constitution, it is replaceable to a panoramic finder with a crosswise spread feeling, thus an ordinary finder is made selectly usable as a panoramic finder.</description><subject>ACCESSORIES THEREFOR</subject><subject>APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES</subject><subject>APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM</subject><subject>CINEMATOGRAPHY</subject><subject>ELECTROGRAPHY</subject><subject>HOLOGRAPHY</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBALcnX0UfD0dXR3VQiJDHBVcPP0c3EN4mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BHgYmhmbGpsZmjsbEqAEAoAsfGA</recordid><startdate>19920609</startdate><enddate>19920609</enddate><creator>IMAIZUMI MASAKI</creator><scope>EVB</scope></search><sort><creationdate>19920609</creationdate><title>REAL IMAGE TYPE FINDER</title><author>IMAIZUMI MASAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH04163536A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>ACCESSORIES THEREFOR</topic><topic>APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES</topic><topic>APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM</topic><topic>CINEMATOGRAPHY</topic><topic>ELECTROGRAPHY</topic><topic>HOLOGRAPHY</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>IMAIZUMI MASAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IMAIZUMI MASAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>REAL IMAGE TYPE FINDER</title><date>1992-06-09</date><risdate>1992</risdate><abstract>PURPOSE:To manifest a crosswise spread feeling by increasing the magnification of a finder when it is turned to a panoramic size and simultaneously changing the aspect ratio. CONSTITUTION:This finer is provided with an objective lens system 1, a first imaging surface 2 by means of this objective lens system 1 and a relay lens system 3 for re-imaging a body image formed on the first imaging surface, and a second imaging surface 5 re-images an image formed on the first imaging surface 2 on this surface 5. An eyepiece 6 is one that observes an image on the second imaging surface 5, thus a real image finder system is composed of these elements. The relay lens system 3 is selected to another relay lens system 4 by this finder optical system, through which the extent of magnification in the body image being observed with the eyepiece 6 is increased, while, for example, a field diaphragm placed on the first imaging surface 2 is replaced with another field diaphragm different in an aspect ratio with a panoramic size aspect ratio. With this constitution, it is replaceable to a panoramic finder with a crosswise spread feeling, thus an ordinary finder is made selectly usable as a panoramic finder.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS |
| title | REAL IMAGE TYPE FINDER |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-11T22%3A13%3A36IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=IMAIZUMI%20MASAKI&rft.date=1992-06-09&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPH04163536A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |