{"product_id":"handheld-laser-welding-collimating-lens-d20-x-3-5-mm-f50-aftermarket-for-qilin-and-wsx-guns","title":"Handheld Laser Welding Collimating Lens D20 x 3.5 mm F50, Aftermarket, for Qilin and WSX Guns","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket collimating lens for Qilin and WSX handheld welding guns: 20 mm diameter, 3.5 mm centre thickness (CT), 50 mm focal length.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThe collimating lens sits behind the fiber connector and turns the diverging beam from the fiber into a parallel one. A damaged collimator costs power on every weld.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eS1 grade fused silica, anti reflection coated on both faces for 1064 nm. Sold singly or in packs of 5.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eType\u003c\/td\u003e\n\u003ctd\u003eCollimating lens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eCentre Thickness\u003c\/td\u003e\n\u003ctd\u003e3.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eS1 grade fused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm fiber lasers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eFits\u003c\/td\u003e\n\u003ctd\u003eQilin and WSX handheld welding guns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 or 5 lenses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eHandheld welding guns\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cspan class=\"spm-chip\"\u003eQilin handheld\u003c\/span\u003e\u003cspan class=\"spm-chip\"\u003eWSX handheld\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eCheck the size against the part you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003ePart Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eLens\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003cth\u003eSPM Part Number\u003cspan class=\"spm-sub\"\u003e(OEM no. where one exists)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eQilin \/ WSX collimating D20 x 3.5 F50\u003c\/td\u003e\n\u003ctd\u003eD20 mm, CT 3.5 mm, F50\u003c\/td\u003e\n\u003ctd\u003eQilin handheld, WSX handheld\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSPM-LAS-2192\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eOther Sizes in This Range\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eLens\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e\u003ca href=\"\/products\/handheld-laser-welding-focusing-lens-d20-x-4-5-mm-f150-aftermarket-for-sup-guns\"\u003eSUP focusing D20 x 4.5 F150\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eSUP20S, SUP20T, SUP21T, SUP23S, SUP23T, SW150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e\u003ca href=\"\/products\/handheld-laser-welding-focusing-lens-d20-x-4-5-mm-f200-aftermarket-for-sup-guns\"\u003eSUP focusing D20 x 4.5 F200\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eSUP20S, SUP20T, SUP21T, SUP23S, SUP23T, SW150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e\u003ca href=\"\/products\/handheld-laser-welding-collimating-lens-d20-x-5-mm-f60-aftermarket-for-sup20s-sup20t-and-sup21c\"\u003eSUP collimating D20 x 5 F60\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eSUP20S, SUP20T, SUP21C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e\u003ca href=\"\/products\/handheld-laser-welding-collimating-lens-d16-x-5-mm-f60-aftermarket-for-sup21t-sup23s-sup23t-sw150-and-sup22c\"\u003eSUP collimating D16 x 5 F60\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eSUP21T, SUP23S, SUP23T, SW150, SUP22C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e\u003ca href=\"\/products\/handheld-laser-welding-focusing-lens-d20-x-3-mm-f150-aftermarket-for-qilin-and-wsx-guns\"\u003eQilin \/ WSX focusing D20 x 3 F150\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eQilin handheld, WSX handheld\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e\u003ca href=\"\/products\/handheld-laser-welding-focusing-lens-d20-x-3-mm-f120-aftermarket-for-qilin-and-wsx-guns\"\u003eQilin \/ WSX focusing D20 x 3 F120\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eQilin handheld, WSX handheld\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e\u003ca href=\"\/products\/raytools-3250010444-aftermarket-focusing-lens-d20-x-4-75-mm-f150-for-bw101-and-relfar-handheld-welding-guns\"\u003eRelfar \/ Raytools BW101 focusing D20 x 4.75 F150\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eRelfar handheld, Raytools BW101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eCollimator damage\u003c\/strong\u003e\u003cbr\u003eA burned collimating lens costs power on every weld. Check it when the focusing and protective lenses are clean and power is still low.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eKeeping spares\u003c\/strong\u003e\u003cbr\u003eLenses are cheap next to downtime. The 5 pack keeps a spare for every gun in the shop.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eWill this lens fit my gun?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt fits Qilin and WSX handheld welding guns. Match the old lens or its box: D20, CT 3.5, F50. Focusing and collimating lenses are not interchangeable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eAre these genuine lenses?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. They are aftermarket lenses made to the same dimensions. The gun names are given so you can match your lens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Will this lens fit my gun?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It fits Qilin and WSX handheld welding guns. Match the old lens or its box: D20, CT 3.5, F50. Focusing and collimating lenses are not interchangeable.\"}}, {\"@type\": \"Question\", \"name\": \"Are these genuine lenses?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. They are aftermarket lenses made to the same dimensions. The gun names are given so you can match your lens.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67560464843052,"sku":"SPM-LAS-2192-P1","price":4.16,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67560464875820,"sku":"SPM-LAS-2192-P5","price":18.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/lens_spm_2c88bc31-718a-48b2-9ad2-2c4f79e980ee.jpg?v=1790984829","url":"https:\/\/sparepartmart.co\/products\/handheld-laser-welding-collimating-lens-d20-x-3-5-mm-f50-aftermarket-for-qilin-and-wsx-guns","provider":"Spare Part Mart","version":"1.0","type":"link"}