{"product_id":"j-btl-h1-bi-telecentric-lens","title":"BTL-H1 Bi-Telecentric Lens | 1\" C-Mount 0.055–0.638X Machine Vision Lens","description":"\u003cdiv\u003e\n\u003ch2\u003eProduct Description\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eHigh-Precision Bi-Telecentric Lens for 1\" Machine Vision and Metrology Applications\u003c\/p\u003e\n\u003cp\u003eThe BTL-H1 Series bi-telecentric lenses are designed for high-precision industrial inspection and metrology systems, optimized for 1-inch area scan sensors. With a magnification range of 0.055X to 0.638X, these lenses provide flexible imaging solutions for a wide variety of measurement and inspection tasks.\u003c\/p\u003e\n\u003cp\u003eFeaturing a bi-telecentric optical design, the BTL-H1 Series ensures ultra-low distortion (\u0026lt;0.1%) and highly consistent magnification across the entire field of view. This guarantees stable and repeatable measurement accuracy, even in demanding industrial environments.\u003c\/p\u003e\n\u003cp\u003eDesigned for C-Mount integration, the lens supports easy installation in machine vision systems used for dimensional measurement, defect inspection, and automated quality control.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e✔ Optimized for 1\" Sensors (Φ16.4mm)\u003cbr\u003eCompatible with high-resolution industrial area scan cameras.\u003c\/p\u003e\n\u003cp\u003e✔ Wide Magnification Range (0.055X–0.638X)\u003cbr\u003eFlexible imaging for different inspection requirements.\u003c\/p\u003e\n\u003cp\u003e✔ Ultra-Low Distortion (\u0026lt;0.1%)\u003cbr\u003eEnsures high geometric accuracy for precision measurement.\u003c\/p\u003e\n\u003cp\u003e✔ High Telecentricity (\u0026lt;0.1°)\u003cbr\u003eMaintains stable magnification across the full field of view.\u003c\/p\u003e\n\u003cp\u003e✔ Bi-Telecentric Optical Design\u003cbr\u003eReduces perspective errors for highly accurate imaging.\u003c\/p\u003e\n\u003cp\u003e✔ C-Mount Compatibility\u003cbr\u003eEasy integration into industrial machine vision systems.\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\u003eElectronics Manufacturing\u003c\/li\u003e\n\u003cli\u003eDimensional Measurement Systems\u003c\/li\u003e\n\u003cli\u003eAutomated Optical Inspection (AOI)\u003c\/li\u003e\n\u003cli\u003eIndustrial Quality Control\u003c\/li\u003e\n\u003cli\u003eMachine Vision Automation\u003c\/li\u003e\n\u003cli\u003eHigh-Accuracy Defect Detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n    .size-chart {\n        width: 100%;\n        border-collapse: collapse;\n        margin-bottom: 20px;\n    }\n    .size-chart th, .size-chart td {\n        border: 1px solid #ddd;\n        padding: 10px;\n        text-align: center;\n    }\n    .size-chart th {\n        background-color: #f4f4f4;\n        font-weight: bold;\n    }\n    .size-chart tr:nth-child(even) {\n        background-color: #f9f9f9;\n    }\n\u003c\/style\u003e\n\u003cstyle\u003e\n    .size-chart {\n        width: 100%;\n        border-collapse: collapse;\n        margin-bottom: 20px;\n    }\n    .size-chart th, .size-chart td {\n        border: 1px solid #ddd;\n        padding: 10px;\n        text-align: center;\n    }\n    .size-chart th {\n        background-color: #f4f4f4;\n        font-weight: bold;\n    }\n    .size-chart tr:nth-child(even) {\n        background-color: #f9f9f9;\n    }\n\u003c\/style\u003e\n\u003ctable style=\"width: 100%; 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text-align: center; height: 19.5833px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eBTL-0.077X-372-H1(LM)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20.9214%; text-align: center; height: 19.5833px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e372±5\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 21.839%; text-align: center; height: 19.5833px;\"\u003e216\u003c\/td\u003e\n\u003ctd style=\"width: 20.3709%; text-align: center; height: 19.5833px;\"\u003e0.077\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 36.8878%; text-align: center; height: 19.5833px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eBTL-0.069XH-410-H1(LM)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20.9214%; text-align: center; height: 19.5833px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e410±6\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 21.839%; text-align: center; height: 19.5833px;\"\u003e240\u003c\/td\u003e\n\u003ctd style=\"width: 20.3709%; text-align: center; height: 19.5833px;\"\u003e0.069\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 36.8878%; text-align: center; height: 19.5833px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eBTL-0.064X-338-H1(LM)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20.9214%; text-align: center; height: 19.5833px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e338±5\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 21.839%; text-align: center; height: 19.5833px;\"\u003e258\u003c\/td\u003e\n\u003ctd style=\"width: 20.3709%; text-align: center; height: 19.5833px;\"\u003e0.064\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 36.8878%; text-align: center; height: 19.5833px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eBTL-0.055XH-465-H1(LM)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 20.9214%; text-align: center; height: 19.5833px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e465±6\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 21.839%; text-align: center; height: 19.5833px;\"\u003e300\u003c\/td\u003e\n\u003ctd style=\"width: 20.3709%; text-align: center; height: 19.5833px;\"\u003e0.055\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eImportant Information Before Purchase\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e■ The back focal length of model with (LM) is adjustable.\u003cbr\u003e■ The weight varies depending on the working distance. If you have any questions, please feel free to reach out to us!\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/t6R_Dji_xLc?si=45SnZch8Xt9ReYtA\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eTelecentric Lenses Download\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; text-align: left;\"\u003e\u003ca href=\"https:\/\/www.contrastech.com\/upfile\/onlinedoc\/online_doc_download_directory_EN\/Telecentric_Lenses_CT_EN_RLS.pdf\" class=\"download-btn\" style=\"flex: 1 1 calc(50% - 20px); max-width: 400px;\" target=\"_blank\"\u003e\n\u003cdiv class=\"download-item\" style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0655\/5490\/7394\/files\/01_d45190e9-6b75-48da-b72f-496d29caec61_430x.png\" alt=\"Datasheet Download\" style=\"width: 250px; height: 79px;\"\u003e\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/div\u003e\n\u003cstyle\u003e\n  .download-btn {\n    text-decoration: none;\n    transition: transform 0.3s ease;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n  }\n  .download-btn:hover {\n    transform: scale(1.05);\n  }\n  .download-item {\n    width: 100%;\n    padding: 15px;\n    border: 1px solid #ddd;\n    border-radius: 5px;\n    background-color: #f9f9f9;\n    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n    transition: box-shadow 0.3s ease;\n    text-align: center;\n  }\n  .download-item:hover {\n    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);\n  }\n  .download-item img {\n    display: block;\n    margin: 0 auto 10px;\n  }\n\u003c\/style\u003e","brand":"Contrastech","offers":[{"title":"WD:73mm Mag.0.638x","offer_id":47457947746550,"sku":"BTL-0.638X-73-H1","price":645.0,"currency_code":"USD","in_stock":true},{"title":"WD:110mm Mag.0.46x","offer_id":47457947779318,"sku":"BTL-0.46X-110-H1","price":750.0,"currency_code":"USD","in_stock":true},{"title":"WD:118mm Mag.0.395x","offer_id":47457947812086,"sku":"BTL-0.395X-118-H1","price":770.0,"currency_code":"USD","in_stock":true},{"title":"WD:128mm Mag.0.346x","offer_id":47457947844854,"sku":"BTL-0.346X-128-H1","price":850.0,"currency_code":"USD","in_stock":true},{"title":"WD:138mm Mag.0.346x","offer_id":47457947877622,"sku":"BTL-0.346X-138-H1(LM)","price":850.0,"currency_code":"USD","in_stock":true},{"title":"WD:138mm Mag.0.296x","offer_id":47457947910390,"sku":"BTL-0.296X-138-H1(LM)","price":1060.0,"currency_code":"USD","in_stock":true},{"title":"WD:158mm Mag.0.259x","offer_id":47457947943158,"sku":"BTL-0.259X-158-H1(LM)","price":1060.0,"currency_code":"USD","in_stock":true},{"title":"WD:178mm Mag.0.231x","offer_id":47457947975926,"sku":"BTL-0.231X-178-H1(LM)","price":1285.0,"currency_code":"USD","in_stock":true},{"title":"WD:228mm Mag.0.208x","offer_id":47457948008694,"sku":"BTL-0.208X-228-H1(LM)","price":1720.0,"currency_code":"USD","in_stock":true},{"title":"WD:208mm Mag.0.184x","offer_id":47457948041462,"sku":"BTL-0.184X-208-H1(LM)","price":1925.0,"currency_code":"USD","in_stock":true},{"title":"WD:258mm Mag.0.166x","offer_id":47457948074230,"sku":"BTL-0.166X-238-H1(LM)","price":1875.0,"currency_code":"USD","in_stock":true},{"title":"WD:263mm Mag.0.151x","offer_id":47457948106998,"sku":"BTL-0.151X-263-H1(LM)","price":1875.0,"currency_code":"USD","in_stock":true},{"title":"WD:273mm Mag.0.138x","offer_id":47457948139766,"sku":"BTL-0.138X-273-H1(LM)","price":2350.0,"currency_code":"USD","in_stock":true},{"title":"WD:288mm Mag.0.122x","offer_id":47457948172534,"sku":"BTL-0.122X-288-H1(LM)","price":2350.0,"currency_code":"USD","in_stock":true},{"title":"WD:300mm Mag.0.11x","offer_id":47457948205302,"sku":"BTL-0.11X-300-H1(LM)","price":2350.0,"currency_code":"USD","in_stock":true},{"title":"WD:318mm Mag.0.098x","offer_id":47457948238070,"sku":"BTL-0.098X-318-H1(LM)","price":3000.0,"currency_code":"USD","in_stock":true},{"title":"WD:330mm Mag.0.087x","offer_id":47457948270838,"sku":"BTL-0.087X-330-H1(LM)","price":3425.0,"currency_code":"USD","in_stock":true},{"title":"WD:372mm Mag.0.077x","offer_id":47457948303606,"sku":"BTL-0.077X-372-H1(LM)","price":4925.0,"currency_code":"USD","in_stock":true},{"title":"WD:410mm Mag.0.069x","offer_id":47457948336374,"sku":"BTL-0.069XH-410-H1(LM)","price":5245.0,"currency_code":"USD","in_stock":true},{"title":"WD:338mm Mag.0.064x","offer_id":47457948369142,"sku":"BTL-0.064X-338-H1(LM)","price":8025.0,"currency_code":"USD","in_stock":true},{"title":"WD:465mm Mag.0.055x","offer_id":47457948401910,"sku":"BTL-0.055XH-465-H1(LM)","price":8560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1779\/7622\/files\/btl-h1-bi-telecentric-lens-1inch-cmount.jpg?v=1782193830","url":"https:\/\/shop.contrastech.com\/pt\/products\/j-btl-h1-bi-telecentric-lens","provider":"Contrastech","version":"1.0","type":"link"}