1.0bokehsommelierhttps://bokehsommelier.comrich600338<blockquote class="wp-embedded-content" data-secret="LLIRS6EZP2"><a href="https://bokehsommelier.com/index.php/2026/04/08/cooke-varotal-first-modern-cinema-zoom/">The Cooke Varotal — Why Many Consider It the First Truly Modern Cinema Zoom</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://bokehsommelier.com/index.php/2026/04/08/cooke-varotal-first-modern-cinema-zoom/embed/#?secret=LLIRS6EZP2" width="600" height="338" title="“The Cooke Varotal — Why Many Consider It the First Truly Modern Cinema Zoom” — bokehsommelier" data-secret="LLIRS6EZP2" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://bokehsommelier.com/wp-includes/js/wp-embed.min.js </script> Cooke Optics of Leicester has a strong claim to having actually invented the first practical zoom lens in the 1930s, but that’s a story for another time. First presented in September of 1970 at Photokina in Cologne, and released to the market the next year, many consider it to be the first modern approach to […]