{"product_id":"focusing-lenses","title":"High-Precision Laser Focusing Lenses D20×4.5 F150\/200","description":"\u003cp\u003e✅ High-purity quartz substrate with excellent thermal stability;\u003cbr\u003e✅ High damage threshold, making it resistant to chipping;\u003cbr\u003e✅ Fine spot size, resulting in aesthetically pleasing welds\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003eDiameter 20 mm, thickness 4.5 mm, focal length F150\/F200\u003cbr\u003eJGS1 Fused Quartz\u003cbr\u003e1064 nm\u003cbr\u003eDouble-sided AR coating\u003cbr\u003eTransmittance \u0026gt; 99.9%\u003cbr\u003eSuitable for handheld welding\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with \u003c\/span\u003e20S\/T、21T、23S\/T\u003c\/p\u003e","brand":"Fabpartsdepot","offers":[{"title":"D20×4.5\/F150","offer_id":67677288005907,"sku":"1010803.00146","price":0.0,"currency_code":"USD","in_stock":false},{"title":"D20×4.5\/F200","offer_id":67677288038675,"sku":"1010803.00031","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/5835\/1379\/files\/1_18205763-d653-4e54-8922-a6efc9a88020.jpg?v=1792134903","url":"https:\/\/fabpartsdepot.com\/products\/focusing-lenses","provider":"Fabpartsdepot","version":"1.0","type":"link"}