{"product_id":"j-vt-tll-23-liquid-telecentric-lens","title":"VT-TLL-23 Liquid Telecentric Lens | 2\/3\" C-Mount Electronic Focus Lens","description":"\u003ch2\u003eProduct Description\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eLiquid Telecentric Lens with Electronic Focus for High-Precision Machine Vision\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe VT-TLL-23 Series is a 2\/3\" C-Mount liquid telecentric lens designed for precision machine vision, metrology, and automated inspection. By integrating liquid lens technology, it enables fast electronic focusing and an extended depth of field while maintaining telecentric imaging performance across the entire focus range.\u003c\/p\u003e\n\u003cp\u003eAvailable in magnifications from 0.4X to 4.0X, the VT-TLL-23 Series delivers high optical resolution with MTF \u0026gt;0.3 @100 lp\/mm, ensuring excellent image sharpness for precision measurement and defect inspection. An optional coaxial illumination version is available for reflective surfaces and demanding inspection applications.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional telecentric lenses that require mechanical refocusing, the liquid lens design enables rapid, repeatable working distance adjustment without compromising magnification, telecentricity, or image quality.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e✔ Liquid Lens Technology\u003cbr\u003eElectronic focusing enables fast, precise, and maintenance-free focus adjustment.\u003c\/p\u003e\n\u003cp\u003e✔ Extended Depth of Field\u003cbr\u003eMaintains sharp imaging over a larger focus range, improving inspection efficiency.\u003c\/p\u003e\n\u003cp\u003e✔ 2\/3\" C-Mount Compatibility\u003cbr\u003eOptimized for industrial cameras with up to 2\/3\" image sensors.\u003c\/p\u003e\n\u003cp\u003e✔ Magnification from 0.4X to 4.0X\u003cbr\u003eSupports a wide range of machine vision and precision measurement applications.\u003c\/p\u003e\n\u003cp\u003e✔ High Optical Resolution\u003cbr\u003eMTF \u0026gt;0.3 @100 lp\/mm for accurate edge detection and fine-detail imaging.\u003c\/p\u003e\n\u003cp\u003e✔ Optional Coaxial Illumination Version\u003cbr\u003eIdeal for reflective, polished, and metallic surfaces.\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision Metrology\u003c\/li\u003e\n\u003cli\u003eSemiconductor Inspection\u003c\/li\u003e\n\u003cli\u003ePCB Inspection\u003c\/li\u003e\n\u003cli\u003eElectronics Manufacturing\u003c\/li\u003e\n\u003cli\u003eAOI (Automated Optical Inspection)\u003c\/li\u003e\n\u003cli\u003ePrecision Assembly\u003c\/li\u003e\n\u003cli\u003eRobotics \u0026amp; Machine Vision\u003c\/li\u003e\n\u003cli\u003eSurface Defect Inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e2\/3\" Liquid Telecentric Lens\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 99.964%; height: 176.4px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003cth style=\"width: 20.5181%; text-align: center; height: 39.2px;\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"center\" style=\"width: 11.0761%; text-align: center; height: 39.2px;\"\u003eCoaxial\u003c\/th\u003e\n\u003cth align=\"right\" style=\"width: 11.0761%; text-align: center; height: 39.2px;\"\u003eMag.\u003c\/th\u003e\n\u003cth align=\"right\" style=\"width: 17.6003%; text-align: center; height: 39.2px;\"\u003eWD+Liquid\u003c\/th\u003e\n\u003cth align=\"right\" style=\"width: 12.3597%; text-align: center; height: 39.2px;\"\u003eDOF\u003c\/th\u003e\n\u003cth align=\"right\" style=\"width: 9.62353%; text-align: center; height: 39.2px;\"\u003eF\/#\u003c\/th\u003e\n\u003cth align=\"left\" style=\"width: 16.5234%; text-align: center; height: 39.2px;\"\u003eMTF (lp\/mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.5181%; text-align: center; height: 19.6px;\"\u003eVT-TLL04-23\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003eNo\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003e0.4x\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 17.6003%; text-align: center; height: 19.6px;\"\u003e100-120mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 12.3597%; text-align: center; height: 19.6px;\"\u003e±1.8mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 9.62353%; text-align: center; height: 19.6px;\"\u003e6.5\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 16.5234%; text-align: center; height: 19.6px;\"\u003e\u0026gt;0.3@100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.5181%; text-align: center; height: 19.6px;\"\u003eVT-TLL05-23-A\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003eNo\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003e0.5x\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 17.6003%; text-align: center; height: 19.6px;\"\u003e110-120mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 12.3597%; text-align: center; height: 19.6px;\"\u003e±1.8mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 9.62353%; text-align: center; height: 19.6px;\"\u003e10\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 16.5234%; text-align: center; height: 19.6px;\"\u003e\u0026gt;0.3@100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.5181%; text-align: center; height: 19.6px;\"\u003eVT-TLL05-23-C\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003eNo\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003e0.5x\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 17.6003%; text-align: center; height: 19.6px;\"\u003e100-120mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 12.3597%; text-align: center; height: 19.6px;\"\u003e±1.8mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 9.62353%; text-align: center; height: 19.6px;\"\u003e10\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 16.5234%; text-align: center; height: 19.6px;\"\u003e\u0026gt;0.3@100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.5181%; text-align: center; height: 19.6px;\"\u003eVT-TLL17-23\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003eNo\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003e1.75x\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 17.6003%; text-align: center; height: 19.6px;\"\u003e100-120mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 12.3597%; text-align: center; height: 19.6px;\"\u003e±0.2mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 9.62353%; text-align: center; height: 19.6px;\"\u003e13\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 16.5234%; text-align: center; height: 19.6px;\"\u003e\u0026gt;0.2@60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.5181%; text-align: center; height: 19.6px;\"\u003eVT-TLL40-C-23-A\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003eYes\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003e4.0x\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 17.6003%; text-align: center; height: 19.6px;\"\u003e64.7mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 12.3597%; text-align: center; height: 19.6px;\"\u003e2mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 9.62353%; text-align: center; height: 19.6px;\"\u003e17\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 16.5234%; text-align: center; height: 19.6px;\"\u003e\u0026gt;0.3@50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.5181%; text-align: center; height: 19.6px;\"\u003eVT-TLL40-C-23-C\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003eYes\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003e4.0x\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 17.6003%; text-align: center; height: 19.6px;\"\u003e62.778mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 12.3597%; text-align: center; height: 19.6px;\"\u003e2mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 9.62353%; text-align: center; height: 19.6px;\"\u003e17\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 16.5234%; text-align: center; height: 19.6px;\"\u003e\u0026gt;0.3@50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.5181%; text-align: center; height: 19.6px;\"\u003eVT-TLL40-23\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003eNo\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 11.0761%; text-align: center; height: 19.6px;\"\u003e4.0x\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 17.6003%; text-align: center; height: 19.6px;\"\u003e\/\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 12.3597%; text-align: center; height: 19.6px;\"\u003e2mm\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"width: 9.62353%; text-align: center; height: 19.6px;\"\u003e17\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 16.5234%; text-align: center; height: 19.6px;\"\u003e\u0026gt;0.3@50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/t6R_Dji_xLc?si=UnC9sjIQTFyvvtuf\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Contrastech","offers":[{"title":"0.4x WD: 100-120mm","offer_id":51011535044854,"sku":"VT-TLL04-23","price":2400.0,"currency_code":"USD","in_stock":false},{"title":"0.5x WD: 110-120mm","offer_id":51011535077622,"sku":"VT-TLL05-23-A","price":2400.0,"currency_code":"USD","in_stock":false},{"title":"0.5x WD: 100-120mm","offer_id":51011535110390,"sku":"VT-TLL05-23-C","price":2400.0,"currency_code":"USD","in_stock":false},{"title":"1.75x WD: 100-120mm","offer_id":51011535143158,"sku":"VT-TLL17-23","price":2400.0,"currency_code":"USD","in_stock":false},{"title":"4.0x WD: 64.7mm Coaxial","offer_id":51011535175926,"sku":"VT-TLL40-C-23-A","price":2500.0,"currency_code":"USD","in_stock":false},{"title":"4.0x WD: 62.8mm Coaxial","offer_id":51011535208694,"sku":"VT-TLL40-C-23-C","price":2500.0,"currency_code":"USD","in_stock":false},{"title":"4.0x","offer_id":51011535241462,"sku":"VT-TLL40-23","price":2400.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1779\/7622\/files\/liquid-lens-electronic-focus-telecentric-design.png?v=1782189666","url":"https:\/\/shop.contrastech.com\/uk\/products\/j-vt-tll-23-liquid-telecentric-lens","provider":"Contrastech","version":"1.0","type":"link"}