{"id":164524,"date":"2023-07-06T21:26:44","date_gmt":"2023-07-06T20:26:44","guid":{"rendered":"https:\/\/www.techweekmag.com\/?p=164524"},"modified":"2023-10-18T05:56:04","modified_gmt":"2023-10-18T04:56:04","slug":"tamron-files-patent-on-17-50mm-f-4-lens","status":"publish","type":"post","link":"https:\/\/www.stereoindex.com\/tech\/photo\/tamron-files-patent-on-17-50mm-f-4-lens\/","title":{"rendered":"Tamron files patent on 17-50mm F\/4 lens"},"content":{"rendered":"<p>Tamron has filed a patent application that discloses the optical design of the proposed\u00a0<strong>Tamron 17-50mm F\/4<\/strong>\u00a0lens .\u00a0The source said that the manufacturer intends to release this lens, and its official announcement may take place this year.<\/p>\n<p>The sources also claim that the optical formula of the lens is designed for use with full-frame sensors and emphasize that it will receive an internal zoom design.\u00a0At the same time, it is not known for which cameras this lens can be presented.<\/p>\n<figure class=\"aligncenter size-full\">\n<p><figure id=\"attachment_278613\" aria-describedby=\"caption-attachment-278613\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-278613\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/07\/1_techweek.png\" alt=\"photo: asobinet\" width=\"640\" height=\"906\" \/><figcaption id=\"caption-attachment-278613\" class=\"wp-caption-text\">photo: asobinet<\/figcaption><\/figure><\/figure>\n<p>&nbsp;<\/p>\n<p>In addition, according to the documentation provided,\u00a0<strong>the Tamron 17-50mm F \/ 4<\/strong>\u00a0optical formula includes the following parameters: focal length from 17.52 mm to 48.483 mm, aperture F: 4.120, half-angle of view from 110.747 \u00b0 to 47.366 \u00b0, height 21.633 mm, length 134.456 mm, as well as back focus in the range from 18.462 mm to 50.815 mm.<\/p>\n<p>This is all the information on this lens so far.<\/p>\n<p>Let me also remind you that we previously reported that according to the source, Sigma\u00a0is going\u00a0to release an analogue of the Tamron 35-150mm F \/ 2-2.8 Di III VXD lens, developing its own lens with a focal length of 50-140mm and a constant aperture of F \/ 2.8.\u00a0The new Sigma lens is expected to be affordable.\u00a0In addition, Sigma is also known to be working on improvements to its Sigma 70-200mm F\/2.8 lens.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tamron has filed a patent application that discloses the optical design of the proposed\u00a0Tamron 17-50mm F\/4\u00a0lens .\u00a0The source said that the manufacturer intends to release this lens, and its official announcement may take place this year. The sources also claim that the optical formula of the lens is designed for use with full-frame sensors and [&hellip;] <a class=\"g1-link g1-link-more\" href=\"https:\/\/www.stereoindex.com\/tech\/photo\/tamron-files-patent-on-17-50mm-f-4-lens\/\">More<\/a><\/p>\n","protected":false},"author":10404,"featured_media":164527,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[651],"tags":[779],"class_list":{"0":"post-164524","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-photo","8":"tag-news"},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/164524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/users\/10404"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/comments?post=164524"}],"version-history":[{"count":0,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/164524\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media\/164527"}],"wp:attachment":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media?parent=164524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/categories?post=164524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/tags?post=164524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}