{"id":9273,"date":"2026-10-07T09:45:34","date_gmt":"2026-10-07T09:45:34","guid":{"rendered":"https:\/\/dev95.site\/canon-shows-off-a-lens-design-with-a-drop-in-teleconverter-slot\/"},"modified":"2026-10-07T09:45:34","modified_gmt":"2026-10-07T09:45:34","slug":"canon-shows-off-a-lens-design-with-a-drop-in-teleconverter-slot","status":"publish","type":"post","link":"https:\/\/dev95.site\/ar\/canon-shows-off-a-lens-design-with-a-drop-in-teleconverter-slot\/","title":{"rendered":"Canon Shows off a Lens Design with a Drop-In Teleconverter Slot"},"content":{"rendered":"<div id=\"dev95-1544352086\" class=\"dev95-- dev95-entity-placement\"><script async=\"async\" data-cfasync=\"false\" src=\"https:\/\/pl27862732.profitableratecpmnetwork.com\/2ad7a50e0bbc23ac6801d7b77c501463\/invoke.js\"><\/script>\r\n<div id=\"container-2ad7a50e0bbc23ac6801d7b77c501463\"><\/div><\/div><div id=\"dev95-3159029419\" class=\"dev95-before-content dev95-entity-placement\"><p style=\"text-align: center;\"><strong>Stop wasting time on dead links! \ud83d\uded1 This smart platform automatically detects your device and country to give you the exact best offer instantly. Check it out now 100% free! \ud83d\udc47<\/strong><br data-sfc-root=\"ep\" data-sfc-pl=\"|||[]\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif, &quot;Noto Color Emoji&quot;; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\" \/><a href=\"https:\/\/www.profitableratecpmnetwork.com\/pvhx5mbcc?key=ff7d362db3c20bc86fad685cc94f1fc4\">\ud83d\udd17 <strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style=\"font-family: Arial, sans-serif, &quot;Noto Color Emoji&quot;; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">[Click here]<\/strong><\/a><\/p>\n<\/div><div>\n<p class=\"wp-block-paragraph\">Canon continues to work away at \u201cbig white\u201d lens designs. This patent isn&#8217;t so much about a specific lens and more about what the design shows. Canon is working on a way to have a drop-in teleconverter.<\/p><div id=\"dev95-2268672677\" class=\"dev95- dev95-entity-placement\"><center>\r\n<script>\r\n  atOptions = {\r\n    'key' : '4ba6b6513c00e0ba76511f798ae56401',\r\n    'format' : 'iframe',\r\n    'height' : 50,\r\n    'width' : 320,\r\n    'params' : {}\r\n  };\r\n<\/script>\r\n<script src=\"https:\/\/www.highrevenueformat.com\/4ba6b6513c00e0ba76511f798ae56401\/invoke.js\"><\/script>\r\n\t<\/center><\/div>\n<style>\n.cr-sec-head { margin: 3rem 0 1.25rem !important; padding: 0 !important; font-family: -apple-system, BlinkMacSystemFont, \"SF Pro Text\", \"Helvetica Neue\", Arial, sans-serif; }\n.cr-sec-head .cr-kicker {\n  display: block !important; margin: 0 0 6px !important; padding: 0 !important;\n  font-size: 11px !important; font-weight: 700 !important; letter-spacing: .14em !important;\n  text-transform: uppercase !important; line-height: 1.3 !important; color: #c20909 !important;\n}\n.cr-sec-head h2.cr-sec-title {\n  position: relative !important; display: block !important;\n  margin: 0 !important; padding: 0 0 12px !important;\n  border: 0 !important; background: none !important; box-shadow: none !important;\n  font-family: inherit !important; font-size: 26px !important; font-weight: 800 !important;\n  letter-spacing: -.02em !important; line-height: 1.2 !important; text-transform: none !important;\n  color: #16161a !important;\n}\n.cr-sec-head h2.cr-sec-title::before { content: none !important; display: none !important; }\n.cr-sec-head h2.cr-sec-title::after {\n  content: \"\" !important; display: block !important; position: absolute !important;\n  left: 0 !important; right: auto !important; bottom: 0 !important; top: auto !important;\n  width: 56px !important; height: 4px !important; margin: 0 !important;\n  border: 0 !important; border-radius: 2px !important;\n  background: linear-gradient(90deg, #eca80c, #c20909) !important;\n}\n@media (max-width: 640px) { .cr-sec-head h2.cr-sec-title { font-size: 22px !important; } }\n<\/style>\n<div class=\"cr-sec-head\">\n  <span class=\"cr-kicker\">Japan Patent JP 2026-152979<\/span><\/p>\n<h2 class=\"cr-sec-title\">What&#8217;s the Patent About?<\/h2>\n<\/div>\n<p class=\"wp-block-paragraph\">The goal here is to add an extender without increasing the length of the lens just like a built-in teleconverter would do, but this patent is more about showing the importance of where in the lens the teleconverter is placed.<\/p>\n<p class=\"wp-block-paragraph\">The placement of a built-in or drop-in teleconverter has an effect on the size of the lens. We had never thought about this before, but it makes sense. As we all know, manufacturers are all in on making lenses smaller and lighter. We&#8217;re good with that focus in lens design.<\/p>\n<p class=\"wp-block-paragraph\">As far as the optical design in this patent, Canon is using a 100-300mm f\/2.8 base lens and shows the empty space where a 1.4x teleconverter can be \u201cdropped in\u201d. Dropped-in can also mean built-in.<\/p>\n<style>\n.cr-sec-head { margin: 3rem 0 1.25rem !important; padding: 0 !important; font-family: -apple-system, BlinkMacSystemFont, \"SF Pro Text\", \"Helvetica Neue\", Arial, sans-serif; }\n.cr-sec-head .cr-kicker {\n  display: block !important; margin: 0 0 6px !important; padding: 0 !important;\n  font-size: 11px !important; font-weight: 700 !important; letter-spacing: .14em !important;\n  text-transform: uppercase !important; line-height: 1.3 !important; color: #c20909 !important;\n}\n.cr-sec-head h2.cr-sec-title {\n  position: relative !important; display: block !important;\n  margin: 0 !important; padding: 0 0 12px !important;\n  border: 0 !important; background: none !important; box-shadow: none !important;\n  font-family: inherit !important; font-size: 26px !important; font-weight: 800 !important;\n  letter-spacing: -.02em !important; line-height: 1.2 !important; text-transform: none !important;\n  color: #16161a !important;\n}\n.cr-sec-head h2.cr-sec-title::before { content: none !important; display: none !important; }\n.cr-sec-head h2.cr-sec-title::after {\n  content: \"\" !important; display: block !important; position: absolute !important;\n  left: 0 !important; right: auto !important; bottom: 0 !important; top: auto !important;\n  width: 56px !important; height: 4px !important; margin: 0 !important;\n  border: 0 !important; border-radius: 2px !important;\n  background: linear-gradient(90deg, #eca80c, #c20909) !important;\n}\n@media (max-width: 640px) { .cr-sec-head h2.cr-sec-title { font-size: 22px !important; } }\n<\/style>\n<div class=\"cr-sec-head\">\n  <span class=\"cr-kicker\">Japan Patent JP 2026-152979<\/span><\/p>\n<h2 class=\"cr-sec-title\">How it Works<\/h2>\n<\/div>\n<p><svg width=\"100%\" viewbox=\"0 0 709.5 477.5\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" style=\"\" 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Top: the base lens with a 72.6mm empty air gap between the negative fourth group and the positive fifth group. Bottom: the same lens with a negative 1.4x extender filling that gap. 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11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<rect x=\"435.6\" y=\"52\" width=\"7.8\" height=\"64\" rx=\"2\" fill=\"#FAECE7\" stroke=\"#993C1D\" stroke-width=\"1\" style='fill:rgb(250, 236, 231);stroke:rgb(153, 60, 29);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<rect x=\"561\" y=\"52\" width=\"21.5\" height=\"64\" rx=\"3\" fill=\"#E6F1FB\" stroke=\"#185FA5\" stroke-width=\"1\" style='fill:rgb(230, 241, 251);stroke:rgb(24, 95, 165);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, 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x=\"361.8\" y=\"132\" text-anchor=\"middle\" font-size=\"11\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:11px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>aperture<\/text>\n<line x1=\"170\" y1=\"98\" x2=\"306\" y2=\"98\" stroke=\"#5F5E5A\" stroke-width=\"1.3\" stroke-dasharray=\"4 3\" marker-end=\"url(#extarr)\" style='fill:rgb(0, 0, 0);stroke:rgb(95, 94, 90);color:rgb(11, 11, 11);stroke-width:1.3px;stroke-dasharray:4px, 3px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<text x=\"238\" y=\"86\" text-anchor=\"middle\" font-size=\"11\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:11px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>L2 slides to zoom<\/text>\n<rect x=\"443.5\" y=\"52\" width=\"117.5\" height=\"64\" fill=\"url(#exthatch)\" stroke=\"#888780\" stroke-width=\"1\" stroke-dasharray=\"5 4\" style='stroke:rgb(136, 135, 128);color:rgb(11, 11, 11);stroke-width:1px;stroke-dasharray:5px, 4px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<text x=\"502.3\" y=\"82\" text-anchor=\"middle\" font-size=\"13\" font-weight=\"600\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:13px;font-weight:600;text-anchor:middle;dominant-baseline:auto'>72.6mm<\/text>\n<text x=\"502.3\" y=\"100\" text-anchor=\"middle\" font-size=\"11\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:11px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>empty air<\/text>\n<text x=\"502.3\" y=\"132\" text-anchor=\"middle\" font-size=\"11\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:11px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>stays 69\u201373mm across the zoom<\/text>\n<line x1=\"649.4\" y1=\"46\" x2=\"649.4\" y2=\"122\" stroke=\"#2C2C2A\" stroke-width=\"3.5\" stroke-linecap=\"round\" style='fill:rgb(0, 0, 0);stroke:rgb(44, 44, 42);color:rgb(11, 11, 11);stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<text x=\"649.4\" y=\"138\" text-anchor=\"middle\" font-size=\"11\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:11px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>sensor<\/text>\n<line x1=\"50\" y1=\"168\" x2=\"649.4\" y2=\"168\" stroke=\"#5F5E5A\" stroke-width=\"1\" style='fill:rgb(0, 0, 0);stroke:rgb(95, 94, 90);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<line x1=\"50\" y1=\"163\" x2=\"50\" y2=\"173\" stroke=\"#5F5E5A\" stroke-width=\"1\" style='fill:rgb(0, 0, 0);stroke:rgb(95, 94, 90);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<line x1=\"649.4\" y1=\"163\" x2=\"649.4\" y2=\"173\" stroke=\"#5F5E5A\" stroke-width=\"1\" style='fill:rgb(0, 0, 0);stroke:rgb(95, 94, 90);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<text x=\"349.7\" y=\"160\" text-anchor=\"middle\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>370mm total length<\/text><\/p>\n<line x1=\"502.3\" y1=\"184\" x2=\"502.3\" y2=\"224\" stroke=\"#5F5E5A\" stroke-width=\"1.5\" marker-end=\"url(#extarr)\" style='fill:rgb(0, 0, 0);stroke:rgb(95, 94, 90);color:rgb(11, 11, 11);stroke-width:1.5px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<text x=\"516\" y=\"208\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:start;dominant-baseline:auto'>slide the extender in<\/text><\/p>\n<p><text x=\"24\" y=\"240\" font-size=\"14\" font-weight=\"600\" fill=\"#2C2C2A\" style='fill:rgb(44, 44, 42);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:14px;font-weight:600;text-anchor:start;dominant-baseline:auto'>With extender (Example 4)<\/text>\n<text x=\"676\" y=\"240\" text-anchor=\"end\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:end;dominant-baseline:auto'>144\u2013411mm \u00b7 f\/4.10<\/text>\n<text x=\"73.8\" y=\"254\" text-anchor=\"middle\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>L1<\/text>\n<text x=\"132.3\" y=\"254\" text-anchor=\"middle\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>L2<\/text>\n<text x=\"372.9\" y=\"254\" text-anchor=\"middle\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>L3<\/text>\n<text x=\"439.5\" y=\"254\" text-anchor=\"middle\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>L4<\/text>\n<text x=\"518.1\" y=\"254\" text-anchor=\"middle\" font-size=\"12\" font-weight=\"600\" fill=\"#085041\" style='fill:rgb(8, 80, 65);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:600;text-anchor:middle;dominant-baseline:auto'>Extender<\/text>\n<text x=\"571.8\" y=\"254\" text-anchor=\"middle\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>L5<\/text>\n<rect x=\"50\" y=\"262\" width=\"47.5\" height=\"64\" rx=\"3\" fill=\"#E6F1FB\" stroke=\"#185FA5\" stroke-width=\"1\" style='fill:rgb(230, 241, 251);stroke:rgb(24, 95, 165);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<rect x=\"101.5\" y=\"262\" width=\"61.6\" height=\"64\" rx=\"3\" fill=\"#FAECE7\" stroke=\"#993C1D\" stroke-width=\"1\" style='fill:rgb(250, 236, 231);stroke:rgb(153, 60, 29);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<rect x=\"314.1\" y=\"262\" width=\"117.6\" height=\"64\" rx=\"3\" fill=\"#E6F1FB\" stroke=\"#185FA5\" stroke-width=\"1\" style='fill:rgb(230, 241, 251);stroke:rgb(24, 95, 165);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<rect x=\"435.6\" y=\"262\" width=\"7.8\" height=\"64\" rx=\"2\" fill=\"#FAECE7\" stroke=\"#993C1D\" stroke-width=\"1\" style='fill:rgb(250, 236, 231);stroke:rgb(153, 60, 29);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<rect x=\"480\" y=\"262\" width=\"76.2\" height=\"64\" rx=\"3\" fill=\"#E1F5EE\" stroke=\"#0F6E56\" stroke-width=\"1.5\" style='fill:rgb(225, 245, 238);stroke:rgb(15, 110, 86);color:rgb(11, 11, 11);stroke-width:1.5px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<rect x=\"561\" y=\"262\" width=\"21.5\" height=\"64\" rx=\"3\" fill=\"#E6F1FB\" stroke=\"#185FA5\" stroke-width=\"1\" style='fill:rgb(230, 241, 251);stroke:rgb(24, 95, 165);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<line x1=\"361.8\" y1=\"262\" x2=\"361.8\" y2=\"274\" stroke=\"#2C2C2A\" stroke-width=\"2.4\" stroke-linecap=\"round\" style='fill:rgb(0, 0, 0);stroke:rgb(44, 44, 42);color:rgb(11, 11, 11);stroke-width:2.4px;stroke-linecap:round;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<line x1=\"361.8\" y1=\"314\" x2=\"361.8\" y2=\"326\" stroke=\"#2C2C2A\" stroke-width=\"2.4\" stroke-linecap=\"round\" style='fill:rgb(0, 0, 0);stroke:rgb(44, 44, 42);color:rgb(11, 11, 11);stroke-width:2.4px;stroke-linecap:round;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<text x=\"361.8\" y=\"342\" text-anchor=\"middle\" font-size=\"11\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:11px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>aperture<\/text>\n<text x=\"518.1\" y=\"290\" text-anchor=\"middle\" font-size=\"12\" font-weight=\"600\" fill=\"#085041\" style='fill:rgb(8, 80, 65);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:600;text-anchor:middle;dominant-baseline:auto'>\u2212114mm<\/text>\n<text x=\"518.1\" y=\"308\" text-anchor=\"middle\" font-size=\"12\" fill=\"#0F6E56\" style='fill:rgb(15, 110, 86);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>\u00d71.4<\/text>\n<text x=\"518.1\" y=\"342\" text-anchor=\"middle\" font-size=\"11\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:11px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>fills 47mm of the gap<\/text>\n<line x1=\"649.4\" y1=\"256\" x2=\"649.4\" y2=\"332\" stroke=\"#2C2C2A\" stroke-width=\"3.5\" stroke-linecap=\"round\" style='fill:rgb(0, 0, 0);stroke:rgb(44, 44, 42);color:rgb(11, 11, 11);stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<text x=\"649.4\" y=\"348\" text-anchor=\"middle\" font-size=\"11\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:11px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>sensor<\/text>\n<line x1=\"50\" y1=\"378\" x2=\"649.4\" y2=\"378\" stroke=\"#5F5E5A\" stroke-width=\"1\" style='fill:rgb(0, 0, 0);stroke:rgb(95, 94, 90);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<line x1=\"50\" y1=\"373\" x2=\"50\" y2=\"383\" stroke=\"#5F5E5A\" stroke-width=\"1\" style='fill:rgb(0, 0, 0);stroke:rgb(95, 94, 90);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<line x1=\"649.4\" y1=\"373\" x2=\"649.4\" y2=\"383\" stroke=\"#5F5E5A\" stroke-width=\"1\" style='fill:rgb(0, 0, 0);stroke:rgb(95, 94, 90);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<text x=\"349.7\" y=\"370\" text-anchor=\"middle\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:middle;dominant-baseline:auto'>370mm total length (unchanged)<\/text><\/p>\n<p><rect x=\"50\" y=\"408\" width=\"10\" height=\"10\" fill=\"#E6F1FB\" stroke=\"#185FA5\" stroke-width=\"1\" style='fill:rgb(230, 241, 251);stroke:rgb(24, 95, 165);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<text x=\"66\" y=\"417\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:start;dominant-baseline:auto'>Positive group<\/text>\n<rect x=\"170\" y=\"408\" width=\"10\" height=\"10\" fill=\"#FAECE7\" stroke=\"#993C1D\" stroke-width=\"1\" style='fill:rgb(250, 236, 231);stroke:rgb(153, 60, 29);color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<text x=\"186\" y=\"417\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:start;dominant-baseline:auto'>Negative group<\/text>\n<rect x=\"295\" y=\"408\" width=\"10\" height=\"10\" fill=\"#E1F5EE\" stroke=\"#0F6E56\" stroke-width=\"1.5\" style='fill:rgb(225, 245, 238);stroke:rgb(15, 110, 86);color:rgb(11, 11, 11);stroke-width:1.5px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/rect>\n<text x=\"311\" y=\"417\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:start;dominant-baseline:auto'>Extender<\/text>\n<line x1=\"400\" y1=\"407\" x2=\"400\" y2=\"419\" stroke=\"#2C2C2A\" stroke-width=\"2.4\" stroke-linecap=\"round\" style='fill:rgb(0, 0, 0);stroke:rgb(44, 44, 42);color:rgb(11, 11, 11);stroke-width:2.4px;stroke-linecap:round;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:16px;font-weight:400;text-anchor:start;dominant-baseline:auto'><\/line>\n<text x=\"410\" y=\"417\" font-size=\"12\" fill=\"#5F5E5A\" style='fill:rgb(95, 94, 90);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:12px;font-weight:400;text-anchor:start;dominant-baseline:auto'>Aperture<\/text>\n<text x=\"24\" y=\"446\" font-size=\"10\" fill=\"#888780\" style='fill:rgb(136, 135, 128);stroke:none;color:rgb(11, 11, 11);stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;opacity:1;font-family:anthropic-sans, -apple-system, BlinkMacSystemFont, \"Segoe UI\", sans-serif;font-size:10px;font-weight:400;text-anchor:start;dominant-baseline:auto'>Wide-angle end, drawn to scale along the axis from the patent prescription (Examples 1 and 4). Block heights are not lens diameters.<\/text>\n<\/svg><\/p>\n<p class=\"wp-block-paragraph\">If we just go with the drop-in part of the patent, we could see it being something to do to keep the price point down on a longer supertelephoto zoom lens. If it&#8217;s <a href=\"https:\/\/www.canonrumors.com\/?s=RF+300-600\">something like a 300-600<\/a>, you could make available a new style of teleconverter to sell to people that want longer reach and not change how the lens feels in your hand and save some money if you have no interest in a built-in converter.<\/p>\n<p class=\"wp-block-paragraph\">Canon would have no problem selling you a brand new type of teleconverter at Canon prices either.<\/p>\n<p class=\"wp-block-paragraph\">The teleconverter is placed toward the rear of the lens. This is to take advantage of the narrowing light path before it hits the sensor. Because the light beam is smaller here, the teleconverter glass itself can be smaller than if it was more forward in the design.<\/p>\n<p class=\"wp-block-paragraph\">We&#8217;ll have to think more about what a drop-in teleconverter would mean and how it would make a shooter&#8217;s life better, over simply having it built-in.<\/p>\n<style>\n.cr-sec-head { margin: 3rem 0 1.25rem !important; padding: 0 !important; font-family: -apple-system, BlinkMacSystemFont, \"SF Pro Text\", \"Helvetica Neue\", Arial, sans-serif; }\n.cr-sec-head .cr-kicker {\n  display: block !important; margin: 0 0 6px !important; padding: 0 !important;\n  font-size: 11px !important; font-weight: 700 !important; letter-spacing: .14em !important;\n  text-transform: uppercase !important; line-height: 1.3 !important; color: #c20909 !important;\n}\n.cr-sec-head h2.cr-sec-title {\n  position: relative !important; display: block !important;\n  margin: 0 !important; padding: 0 0 12px !important;\n  border: 0 !important; background: none !important; box-shadow: none !important;\n  font-family: inherit !important; font-size: 26px !important; font-weight: 800 !important;\n  letter-spacing: -.02em !important; line-height: 1.2 !important; text-transform: none !important;\n  color: #16161a !important;\n}\n.cr-sec-head h2.cr-sec-title::before { content: none !important; display: none !important; }\n.cr-sec-head h2.cr-sec-title::after {\n  content: \"\" !important; display: block !important; position: absolute !important;\n  left: 0 !important; right: auto !important; bottom: 0 !important; top: auto !important;\n  width: 56px !important; height: 4px !important; margin: 0 !important;\n  border: 0 !important; border-radius: 2px !important;\n  background: linear-gradient(90deg, #eca80c, #c20909) !important;\n}\n@media (max-width: 640px) { .cr-sec-head h2.cr-sec-title { font-size: 22px !important; } }\n<\/style>\n<div class=\"cr-sec-head\">\n  <span class=\"cr-kicker\">Japan Patent JP 2026-152979<\/span><\/p>\n<h2 class=\"cr-sec-title\">In Closing<\/h2>\n<\/div>\n<p class=\"wp-block-paragraph\">Canon is going to be bringing new lenses in the near future with built-in teleconverters, or maybe even a drop-in converter. This just seems like a new way to implement a teleconverter.<\/p>\n<p class=\"wp-block-paragraph\">As always, a patent just shows us what Canon is up to, and not always what we can expect to be announced. A drop-in teleconverter would be a new way to do it, but as mentioned earlier, we&#8217;re not sure why shooters would prefer this solution over just building one in other than up front cost savings.<\/p>\n<p class=\"wp-block-paragraph\">This is definitely an interesting bit of research and development.<\/p>\n<style>\n.cr-sec-head { margin: 3rem 0 1.25rem !important; padding: 0 !important; font-family: -apple-system, BlinkMacSystemFont, \"SF Pro Text\", \"Helvetica Neue\", Arial, sans-serif; }\n.cr-sec-head .cr-kicker {\n  display: block !important; margin: 0 0 6px !important; padding: 0 !important;\n  font-size: 11px !important; font-weight: 700 !important; letter-spacing: .14em !important;\n  text-transform: uppercase !important; line-height: 1.3 !important; color: #c20909 !important;\n}\n.cr-sec-head h2.cr-sec-title {\n  position: relative !important; display: block !important;\n  margin: 0 !important; padding: 0 0 12px !important;\n  border: 0 !important; background: none !important; box-shadow: none !important;\n  font-family: inherit !important; font-size: 26px !important; font-weight: 800 !important;\n  letter-spacing: -.02em !important; line-height: 1.2 !important; text-transform: none !important;\n  color: #16161a !important;\n}\n.cr-sec-head h2.cr-sec-title::before { content: none !important; display: none !important; }\n.cr-sec-head h2.cr-sec-title::after {\n  content: \"\" !important; display: block !important; position: absolute !important;\n  left: 0 !important; right: auto !important; bottom: 0 !important; top: auto !important;\n  width: 56px !important; height: 4px !important; margin: 0 !important;\n  border: 0 !important; border-radius: 2px !important;\n  background: linear-gradient(90deg, #eca80c, #c20909) !important;\n}\n@media (max-width: 640px) { .cr-sec-head h2.cr-sec-title { font-size: 22px !important; } }\n<\/style>\n<div class=\"cr-sec-head\">\n  <span class=\"cr-kicker\">Japan Patent JP 2026-152979<\/span><\/p>\n<h2 class=\"cr-sec-title\">Lens Examples<\/h2>\n<\/div>\n<div id=\"patent-cards-extender\" style=\"all: initial; display: block; max-width: 680px; margin: 0 auto; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; font-size: 14px; line-height: 1.6; color: #2C2C2A; box-sizing: border-box;\">\n<style>\n  #patent-cards-extender * { box-sizing: border-box; }\n  #patent-cards-extender .cpc-banner {\n    background: #F1EFE8;\n    border-radius: 8px;\n    padding: 0.75rem 1rem;\n    margin-bottom: 16px;\n    font-size: 13px;\n    color: #5F5E5A;\n  }\n  #patent-cards-extender .cpc-card {\n    background: #FFFFFF;\n    border: 1px solid #D3D1C7;\n    border-radius: 12px;\n    padding: 1rem 1.25rem;\n    margin-bottom: 12px;\n  }\n  #patent-cards-extender .cpc-row {\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n    margin-bottom: 8px;\n  }\n  #patent-cards-extender .cpc-title { font-size: 15px; font-weight: 600; color: #2C2C2A; margin: 0; }\n  #patent-cards-extender .cpc-badge { font-size: 12px; padding: 3px 10px; border-radius: 6px; display: inline-block; }\n  #patent-cards-extender .cpc-note { font-size: 14px; color: #444441; line-height: 1.6; margin: 0 0 12px; }\n  #patent-cards-extender .cpc-pills { display: flex; gap: 8px; flex-wrap: wrap; }\n  #patent-cards-extender .cpc-pill { font-size: 12px; background: #E6F1FB; color: #0C447C; padding: 3px 10px; border-radius: 6px; display: inline-block; }\n  #patent-cards-extender .cpc-pill.ext { background: #E1F5EE; color: #085041; }\n  #patent-cards-extender .cpc-groups { font-size: 12px; color: #5F5E5A; margin-top: 10px; }\n  #patent-cards-extender .cpc-groups span { font-family: monospace; }\n  #patent-cards-extender p { margin: 0; }\n<\/style>\n<div class=\"cpc-banner\">\n    All 6 examples are constant-aperture full-frame telephoto zooms (image height 21.64mm) with a fixed front group and an empty slot behind the last negative group. Examples 1\u20133 are the base lenses. Examples 4\u20136 are the same lenses with a negative 1.4\u00d7 extender dropped into that slot, which shifts the range longer, costs one stop, and leaves the length unchanged. Badge colors pair each base lens with its extender version.\n  <\/div>\n<div id=\"cpcListExtender\"><\/div>\n<\/div>\n<p><script>\n(function() {\nvar data = [\n  {\n    ex: 1,\n    tier: \"Base &middot; 5 groups\",\n    color: \"teal\",\n    note: \"The base five-group design. L2 slides about 92mm toward the sensor to zoom, while a small arc by L4 keeps focus steady through the range. L4 also does the focusing. The gap between L4 and L5 (about 69&ndash;73mm at every zoom position) is the empty slot reserved for the extender.\",\n    fl: \"103.00&ndash;294.00mm\", f: \"F\/2.91\", ih: \"21.64mm\", len: \"370.00 mm\", bf: \"41.27 mm\", zoom: \"2.85&times;\",\n    ext: \"\",\n    focus: \"Focus group: L4 &middot; Fixed during zoom: L1, L3, L5\",\n    groups: \"L1 +270.20 &middot; L2 &minus;83.96 &middot; L3 +70.76 &middot; L4 &minus;104.57 &middot; L5 +324.38\"\n  },\n  {\n    ex: 2,\n    tier: \"Base &middot; 6 groups\",\n    color: \"purple\",\n    note: \"A six-group variant that is 10mm shorter than Example 1 (360mm). L2 slides about 80mm to zoom and L5 handles both the zoom arc and the focusing. The extender slot sits between L5 and L6 (about 69&ndash;75mm).\",\n    fl: \"103.00&ndash;293.00mm\", f: \"F\/2.91\", ih: \"21.64mm\", len: \"360.00 mm\", bf: \"36.41 mm\", zoom: \"2.84&times;\",\n    ext: \"\",\n    focus: \"Focus group: L5 &middot; Fixed during zoom: L1, L4, L6\",\n    groups: \"L1 +243.25 &middot; L2 &minus;279.94 &middot; L3 &minus;103.52 &middot; L4 +70.73 &middot; L5 &minus;101.21 &middot; L6 +221.00\"\n  },\n  {\n    ex: 3,\n    tier: \"Base &middot; 6 groups\",\n    color: \"amber\",\n    note: \"Another six-group variant, with the shortest back focus of the set (25.00mm). L3 is a weak positive group here, instead of Example 2's single negative lens. L2 travels about 92mm, and the extender slot between L5 and L6 is a little larger (about 79&ndash;83mm).\",\n    fl: \"103.00&ndash;293.00mm\", f: \"F\/2.91\", ih: \"21.64mm\", len: \"370.00 mm\", bf: \"25.00 mm\", zoom: \"2.84&times;\",\n    ext: \"\",\n    focus: \"Focus group: L5 &middot; Fixed during zoom: L1, L4, L6\",\n    groups: \"L1 +263.22 &middot; L2 &minus;84.75 &middot; L3 +246.73 &middot; L4 +62.39 &middot; L5 &minus;81.68 &middot; L6 +199.72\"\n  },\n  {\n    ex: 4,\n    tier: \"Ex. 1 + extender\",\n    color: \"teal\",\n    note: \"Example 1 with the extender inserted between L4 and L5. The range moves about 1.4&times; longer and the aperture drops one stop. The extender (roughly 47mm of glass) replaces air that was already in the base lens, so the length stays at 370mm.\",\n    fl: \"143.99&ndash;411.00mm\", f: \"F\/4.10\", ih: \"21.64mm\", len: \"370.00 mm\", bf: \"41.27 mm\", zoom: \"2.85&times;\",\n    ext: \"Extender &minus;114.28mm (&times;1.4)\",\n    focus: \"Focus group: L4 &middot; Fixed during zoom: L1, L3, L5, extender\",\n    groups: \"L1 +270.20 &middot; L2 &minus;83.96 &middot; L3 +70.76 &middot; L4 &minus;104.57 &middot; EXT &minus;114.28 &middot; L5 +324.38\"\n  },\n  {\n    ex: 5,\n    tier: \"Ex. 2 + extender\",\n    color: \"purple\",\n    note: \"Example 2 with the extender between L5 and L6, keeping the 360mm length. It uses the weakest extender of the three (&minus;122.25mm) and the thinnest, at roughly 43.5mm of glass, yet still delivers the same 1.4&times; step.\",\n    fl: \"144.48&ndash;411.00mm\", f: \"F\/4.10\", ih: \"21.64mm\", len: \"360.00 mm\", bf: \"36.41 mm\", zoom: \"2.84&times;\",\n    ext: \"Extender &minus;122.25mm (&times;1.4)\",\n    focus: \"Focus group: L5 &middot; Fixed during zoom: L1, L4, L6, extender\",\n    groups: \"L1 +243.25 &middot; L2 &minus;279.94 &middot; L3 &minus;103.52 &middot; L4 +70.73 &middot; L5 &minus;101.21 &middot; EXT &minus;122.25 &middot; L6 +221.00\"\n  },\n  {\n    ex: 6,\n    tier: \"Ex. 3 + extender\",\n    color: \"amber\",\n    note: \"Example 3 with the extender between L5 and L6, keeping its 370mm length and 25.00mm back focus. 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Don&#8217;t miss out, click here! \ud83d\udc47<\/strong><br data-sfc-root=\"ep\" data-sfc-pl=\"|||[]\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif, &quot;Noto Color Emoji&quot;; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\" \/><a href=\"https:\/\/www.profitableratecpmnetwork.com\/uzeja8ahze?key=bc876be53d6ad0ff6370ab8ea030e479\"><strong>\ud83d\udd17 [Click here]<\/strong><\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Canon continues to work away at \u201cbig white\u201d lens designs. This patent isn&#8217;t so much about a specific lens and more about what the design shows. Canon is working on a way to have a drop-in teleconverter. Japan Patent JP<\/p>\n<div class=\"hosteria-entry-more\"><a href=\"https:\/\/dev95.site\/ar\/canon-shows-off-a-lens-design-with-a-drop-in-teleconverter-slot\/\" class=\"no-underline font-light  group-hover:text-primary-800 dark:group-hover:text-primary-300 py-1\">Read more &gt;&gt;&gt;<\/a><\/div>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_9273\" class=\"pvc_stats total_only\" data-element-id=\"9273\" style=\"\"><i class=\"pvc-stats-icon large\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dev95.site\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=\"0\" \/><\/p>\n<div class=\"pvc_clear\"><\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fp_fajr_begins":"","fp_fajr_iqamah":"","fp_dhuhr_begins":"","fp_dhuhr_iqamah":"","fp_asr_begins":"","fp_asr_iqamah":"","fp_maghrib_begins":"","fp_maghrib_iqamah":"","fp_isha_begins":"","fp_isha_iqamah":"","fp_midnight":"","fp_midnight_name":"","fp_sunrise":"","fp_single_prayer_begins_title":"","fp_single_prayer_iqamah_title":"","fp_prayer_times_for_today":"","fp_hijra_date":"","fp_fajr_name":"","fp_dhuhr_name":"","fp_asr_name":"","fp_maghrib_name":"","fp_isha_name":"","fp_sunrise_name":"","fp_currentDate":"","fp_current_time":"","fp_current_title":"","fp_current_location":"","fp_masjid_name":"","fp_prayer_title":"","fp_next_prayer_iqamah_time":"","fp_next_prayer_iqamah_title":"","fp_next_prayer_begins_time":"","fp_next_prayer_begins_title":"","fp_next_prayer_title":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[37],"tags":[],"class_list":["post-9273","post","type-post","status-publish","format-standard","hentry","category-posts"],"a3_pvc":{"activated":true,"total_views":6,"today_views":6},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Canon Shows off a Lens Design with a Drop-In Teleconverter Slot - Dev95<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dev95.site\/ar\/canon-shows-off-a-lens-design-with-a-drop-in-teleconverter-slot\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Canon Shows off a Lens Design with a Drop-In Teleconverter Slot - Dev95\" \/>\n<meta property=\"og:description\" content=\"Canon continues to work away at \u201cbig white\u201d lens designs. 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