{"version":"1.0","provider_name":"SILKYPIX.COM","provider_url":"https:\/\/www.silkypix.com\/en","author_name":"ichikawasoft@isl.co.jp","author_url":"https:\/\/www.silkypix.com\/en\/author\/ichikawasoftisl-co-jp\/","title":"About Lens Aberrations - SILKYPIX.COM","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"lY8QjLldBU\"><a href=\"https:\/\/www.silkypix.com\/en\/how-to\/article\/tips\/2706\/\">About Lens Aberrations<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.silkypix.com\/en\/how-to\/article\/tips\/2706\/embed\/#?secret=lY8QjLldBU\" width=\"600\" height=\"338\" title=\"&#8220;About Lens Aberrations&#8221; &#8212; SILKYPIX.COM\" data-secret=\"lY8QjLldBU\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.silkypix.com\/en\/wp-content\/uploads\/2025\/01\/ogp.png","thumbnail_width":1200,"thumbnail_height":675,"description":"Lens aberration is an aberration (misalignment, distortion, etc.) caused by a lens.\u00a0This section describes the lens aberrations that are generated by an optical lens. &nbsp; Lens Aberration Types The &#8220;Five Seidel Aberrations&#8221; of &#8220;Spherical aberration\/Coma aberration\/Astigmatism\/Curvature of field\/Distortion&#8221; are famous for lens aberration types.\u00a0However, this section explains shading (peripheral dimming), chromatic aberration at magnification (color shift in peripheral areas), and distortion that can be corrected during RAW development. &nbsp; Shading (Peripheral Brightness Reduction) If you take a photograph with the digital camera near the aperture release of the lens, the four corners of the screen may dim.\u00a0This is caused by the characteristics of the lens and image sensor in the [&hellip;]"}