LENS ATTACHMENT AND PROGRAM

To provide a lens attachment that enables close-up photography utilizing a portable terminal.SOLUTION: A lens attachment 1 comprises: an enclosure 10 which can be fitted detachably to a smartphone 2 in such a way as to cover a camera portion 60 of a smartphone 2; a macro lens 22 which is arranged in...

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Bibliographic Details
Main Authors TSURUOKA YASUO, TAKASAGO KAZUYA
Format Patent
LanguageEnglish
Japanese
Published 27.07.2022
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
DIAGNOSIS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ELECTROGRAPHY
HOLOGRAPHY
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHOTOGRAPHY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
SURGERY
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Summary:To provide a lens attachment that enables close-up photography utilizing a portable terminal.SOLUTION: A lens attachment 1 comprises: an enclosure 10 which can be fitted detachably to a smartphone 2 in such a way as to cover a camera portion 60 of a smartphone 2; a macro lens 22 which is arranged inside the enclosure 10 in such a way as to face a subject; a light collection plate 20 which is arranged in such a way as to face light emission region E occupying at least a part of a display 80 of the smartphone 2, and collects preparation light emitted from a light emission region H of the display 80; a first optical path P1 which is configured to guide the preparation light collected by the light collection plate 20 to the macro lens 22; a second optical path P2 which guides light from the subject to the camera portion 60 of the smartphone 2 through the macro lens 22; and a third optical path P3 which is configured in such a way as to guide illumination light emitted by a flash light source 70 of the smartphone 2 to the macro lens 22.SELECTED DRAWING: Figure 7 【課題】携帯端末を利用した接写撮影を可能にするレンズアタッチメントを提供する。【解決手段】レンズアタッチメント１は、スマートフォン２のカメラ部６０を覆うようにスマートフォン２に着脱自在に取付可能な筐体１０と、被写体と対向するように筐体１０の内部に配置される接写レンズ２２と、スマートフォン２のディスプレイ８０の少なくとも一部を占める発光領域Ｅに対向するように配置され、ディスプレイ８０の発光領域Ｈから発される準備光を集める集光板２０と、集光板２０により集められた準備光を接写レンズ２２に導くように構成される第１の光路Ｐ１と、被写体からの光を接写レンズ２２を介してスマートフォン２のカメラ部６０に導く第２の光路Ｐ２と、スマートフォン２のフラッシュ光源７０から発される照明光を接写レンズ２２に導くように構成される第３の光路Ｐ３とを備える。【選択図】図７
Bibliography:Application Number: JP20210004424