{"id":135700,"date":"2015-10-23T02:00:00","date_gmt":"2015-10-22T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=2a26a830fd2cbdbeff562bc0c8cc3426"},"modified":"2015-10-23T02:00:00","modified_gmt":"2015-10-22T23:00:00","slug":"from-the-pinhole-camera-to-the-shape-of-a-lens-the-camera-obscura-reloaded","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=135700","title":{"rendered":"From the pinhole camera to the shape of a lens: the camera-obscura reloaded"},"content":{"rendered":"<p>We demonstrate how the form of a plano-convex lens and a derivation of the thin lens equation can be<br \/>\nunderstood through simple physical considerations. The basic principle is the extension of the<br \/>\npinhole camera using additional holes. The resulting images are brought into coincidence through the<br \/>\ndeflection of light with an arrangement of prisms. This contribution describes this approach in<br \/>\ndetail and gives an illustrative experiment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We demonstrate how the form of a plano-convex lens and a derivation of the thin lens equation can be<br \/>\nunderstood through simple physical considerations. The basic principle is the extension of the<br \/>\npinhole camera using additional holes. The resulting i&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-135700","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/135700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135700"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/135700\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}