{"version":"1.0","provider_name":"Digital Photography School","provider_url":"https:\/\/digital-photography-school.com","author_name":"Sime","author_url":"https:\/\/digital-photography-school.com\/author\/gtvone\/","title":"Hands-on with the Freewell Locking VND\/CPL Filter","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"MwrJZ4Ze4z\"><a href=\"https:\/\/digital-photography-school.com\/hands-on-with-the-freewell-locking-vnd-cpl-filter\/\">Hands-on with the Freewell Locking VND\/CPL Filter<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/digital-photography-school.com\/hands-on-with-the-freewell-locking-vnd-cpl-filter\/embed\/#?secret=MwrJZ4Ze4z\" width=\"600\" height=\"338\" title=\"&#8220;Hands-on with the Freewell Locking VND\/CPL Filter&#8221; &#8212; Digital Photography School\" data-secret=\"MwrJZ4Ze4z\" 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\/\/# sourceURL=https:\/\/digital-photography-school.com\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/digital-photography-school.com\/wp-content\/uploads\/2025\/10\/DSC05394-600x400.jpg","thumbnail_width":600,"thumbnail_height":400,"description":"Here&#8217;s our hands-on with the Freewell Locking VND\/CPL Filter (I tested the set on my Sony a7R III + Tamron 16\u201330mm f\/2.8 G2) If you\u2019re just starting to experiment with filters, you\u2019ve probably already heard about ND filters (Neutral Density) and CPLs (Circular Polarisers). ND filters let you slow your shutter speed for smooth water [&hellip;]"}