{"id":226221,"date":"2023-05-24T05:19:09","date_gmt":"2023-05-24T05:19:09","guid":{"rendered":"https:\/\/www.healthbenefitstimes.com\/glossary\/?p=226221"},"modified":"2023-05-24T05:19:09","modified_gmt":"2023-05-24T05:19:09","slug":"relative-aperture","status":"publish","type":"post","link":"https:\/\/www.healthbenefitstimes.com\/glossary\/relative-aperture\/","title":{"rendered":"Relative aperture"},"content":{"rendered":"

The light-gathering capability of a lens is quantified by a measurement known as the aperture. This measurement is mathematically expressed as the ratio of the focal length divided by the diameter of the lens entrance pupil. The resulting value obtained from this calculation is commonly referred to as the “f-number.”<\/p>\n

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The light-gathering capability of a lens is quantified by a measurement known as the aperture. This measurement is mathematically expressed as the ratio of the focal length divided by the diameter of the lens entrance pupil. The resulting value obtained from this calculation is commonly referred to as the “f-number.”  <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-226221","post","type-post","status-publish","format-standard","hentry","category-r"],"yoast_head":"\nRelative aperture - Definition of Relative aperture<\/title>\n<meta name=\"description\" content=\"The light-gathering capability of a lens is quantified by a measurement known as the aperture. This measurement is mathematically expressed as the ratio of the focal length divided by the diameter of the lens entrance pupil. 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