{"id":18779,"date":"2020-11-04T04:55:23","date_gmt":"2020-11-04T08:55:23","guid":{"rendered":"https:\/\/phsc.ca\/camera\/?p=18779"},"modified":"2020-11-02T21:27:49","modified_gmt":"2020-11-03T01:27:49","slug":"an-f-2-lens-in-1924","status":"publish","type":"post","link":"https:\/\/phsc.ca\/camera\/an-f-2-lens-in-1924\/","title":{"rendered":"an f\/2 lens in 1924"},"content":{"rendered":"<div id=\"attachment_18781\" style=\"width: 235px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/phsc.ca\/camera\/wp-content\/uploads\/2020\/11\/SI-Magazine-July-1924.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-18781\" class=\"size-full wp-image-18781\" src=\"https:\/\/phsc.ca\/camera\/wp-content\/uploads\/2020\/11\/SI-Magazine-July-1924-sm.jpg\" alt=\"\" width=\"225\" height=\"180\" \/><\/a><p id=\"caption-attachment-18781\" class=\"wp-caption-text\">photo of a 1924 camera with f\/2 lens<\/p><\/div>\n<p><strong>Toronto<\/strong>. We (read old guys) often think of f\/2 lenses as a 1930s phenomena, but this photo in the <a href=\"https:\/\/worldradiohistory.com\/Archive-Electrical-Experimenter\/SI-1924-07.pdf\">July 1924 edition of Science and Invention<\/a> on page 266 begs to differ. The pdf version of the magazine is a bit big for this site so take a look at it on the link shown above.<\/p>\n<p>The camera boasts a sports finder and a focal plane shutter of all things. No name is mentioned but Ernemann had similar cameras in that era. And it does look European.<\/p>\n<p>Note that the magazine ads promise big money in electricity or radio &#8211; the big fresh ideas of the time. Photography was over 80 years old by then and serving as a filler or an idea for elecricity.<\/p>\n<p>Thanks to my friend George Dunbar for sharing this historical item with me.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Toronto. We (read old guys) often think of f\/2 lenses as a 1930s phenomena, but this photo in the July 1924 edition of Science and Invention on page 266 begs to differ. The pdf version of the magazine is a &hellip; <a href=\"https:\/\/phsc.ca\/camera\/an-f-2-lens-in-1924\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[398,3387,3386],"class_list":["post-18779","post","type-post","status-publish","format-standard","hentry","category-camera","tag-camera","tag-fast-lens","tag-focal-plane-shutter"],"_links":{"self":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/18779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/comments?post=18779"}],"version-history":[{"count":6,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/18779\/revisions"}],"predecessor-version":[{"id":18784,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/18779\/revisions\/18784"}],"wp:attachment":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/media?parent=18779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/categories?post=18779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/tags?post=18779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}