{"version":"1.0","provider_name":"phillipreeve.net","provider_url":"https:\/\/phillipreeve.net\/blog","author_name":"BastianK","author_url":"https:\/\/phillipreeve.net\/blog\/author\/bastiank\/","title":"Vignetting Graphs Explained - phillipreeve.net","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"wNKjYZau7X\"><a href=\"https:\/\/phillipreeve.net\/blog\/vignetting-graphs-explained\/\">Vignetting Graphs Explained<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/phillipreeve.net\/blog\/vignetting-graphs-explained\/embed\/#?secret=wNKjYZau7X\" width=\"600\" height=\"338\" title=\"&#8220;Vignetting Graphs Explained&#8221; &#8212; phillipreeve.net\" data-secret=\"wNKjYZau7X\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","description":"Introduction In our reviews we usually give figures for the vignetting of the lens and thanks to a reader with programming skills I got the opportunity to extend this and show you some fancy graphs how the vignetting changes when stopping the lens down. You will get the fancy graphs, but there are some caveats &hellip; Continue reading &rarr;","thumbnail_url":"https:\/\/phillipreeve.net\/blog\/wp-content\/uploads\/2022\/02\/Sigma_35mm_1.2.png"}