{"product_id":"1-2-5-c-mount-precision-measurement-bi-telecentric-lens","title":"BTL-125 Series 1\/2.5\" C-Mount Precision Measurement Bi-Telecentric Lens","description":"\u003cdiv\u003e\n\u003ch2 data-end=\"377\" data-start=\"334\"\u003eProduct Description\u003c\/h2\u003e\n\u003ch3 data-end=\"446\" data-start=\"379\"\u003eHigh-Precision Bi-Telecentric Lens for 1\/2.5\" Area Scan Cameras\u003c\/h3\u003e\n\u003cp data-end=\"781\" data-start=\"448\"\u003eThe \u003cstrong data-end=\"490\" data-start=\"452\"\u003eBTL-125 Series Bi-Telecentric Lens\u003c\/strong\u003e is engineered for precision measurement and industrial inspection systems using \u003cstrong data-end=\"599\" data-start=\"571\"\u003e1\/2.5\" area scan cameras\u003c\/strong\u003e. Designed with high telecentricity on both object and image sides, this lens delivers distortion-free imaging and accurate dimensional measurement—even for thick or stepped objects.\u003c\/p\u003e\n\u003cp data-end=\"961\" data-start=\"783\"\u003eDespite supporting compact sensor formats, the BTL-125 series ensures exceptional image fidelity, sharp edge definition, and stable magnification across the entire field of view.\u003c\/p\u003e\n\u003ch2 data-end=\"1005\" data-start=\"968\"\u003eWhy Choose a Bi-Telecentric Lens?\u003c\/h2\u003e\n\u003cp data-end=\"1172\" data-start=\"1007\"\u003eUnlike conventional lenses, a \u003cstrong data-end=\"1060\" data-start=\"1037\"\u003ebi-telecentric lens\u003c\/strong\u003e maintains constant magnification regardless of object distance within its depth range. This makes it ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1197\" data-start=\"1176\"\u003ePrecision metrology\u003c\/li\u003e\n\u003cli data-end=\"1223\" data-start=\"1200\"\u003eIndustrial inspection\u003c\/li\u003e\n\u003cli data-end=\"1259\" data-start=\"1226\"\u003eGauging and measurement systems\u003c\/li\u003e\n\u003cli data-end=\"1294\" data-start=\"1262\"\u003eElectronics and PCB inspection\u003c\/li\u003e\n\u003cli data-end=\"1334\" data-start=\"1297\"\u003eSemiconductor component measurement\u003c\/li\u003e\n\u003cli data-end=\"1369\" data-start=\"1337\"\u003eAutomation and robotics vision\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1392\" data-start=\"1376\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-end=\"1931\" data-start=\"1394\"\u003e✔ \u003cstrong data-end=\"1441\" data-start=\"1396\"\u003eHigh Telecentricity (Object \u0026amp; Image Side)\u003c\/strong\u003e – Accurate measurement of thick or uneven objects\u003cbr data-end=\"1494\" data-start=\"1491\"\u003e✔ \u003cstrong data-end=\"1520\" data-start=\"1496\"\u003eUltra-Low Distortion\u003c\/strong\u003e – Reliable dimensional accuracy\u003cbr data-end=\"1555\" data-start=\"1552\"\u003e✔ \u003cstrong data-end=\"1585\" data-start=\"1557\"\u003eExcellent Edge Sharpness\u003c\/strong\u003e – Crisp image quality across the full field\u003cbr data-end=\"1632\" data-start=\"1629\"\u003e✔ \u003cstrong data-end=\"1658\" data-start=\"1634\"\u003eLarge Depth of Field\u003c\/strong\u003e – Stable imaging for complex parts\u003cbr data-end=\"1696\" data-start=\"1693\"\u003e✔ \u003cstrong data-end=\"1723\" data-start=\"1698\"\u003eLarge Aperture Design\u003c\/strong\u003e – Enhanced brightness and imaging stability\u003cbr data-end=\"1770\" data-start=\"1767\"\u003e✔ \u003cstrong data-end=\"1805\" data-start=\"1772\"\u003eRigid Industrial Construction\u003c\/strong\u003e – Durable for factory environments\u003cbr data-end=\"1843\" data-start=\"1840\"\u003e✔ \u003cstrong data-end=\"1887\" data-start=\"1845\"\u003eCompatible with 1\/2.5\" C-Mount Cameras\u003c\/strong\u003e\u003cbr data-end=\"1890\" data-start=\"1887\"\u003e✔ \u003cstrong data-end=\"1931\" data-start=\"1892\"\u003eField of View Options: 26mm – 300mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"1971\" data-start=\"1938\"\u003eBuilt for Industrial Accuracy\u003c\/h2\u003e\n\u003cp data-end=\"2212\" data-start=\"1973\"\u003eThe BTL-125 telecentric lens series is optimized for applications where measurement accuracy and repeatability are critical. Its simple yet robust mechanical structure ensures long-term stability in demanding industrial automation systems.\u003c\/p\u003e\n\u003cp data-end=\"2376\" data-start=\"2214\"\u003eIf you are searching for a \u003cstrong data-end=\"2307\" data-start=\"2241\"\u003ebi-telecentric lens for precision measurement in the US market\u003c\/strong\u003e, the BTL-125 series provides a reliable and cost-effective solution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0655\/5490\/7394\/files\/110.png?v=1719384540\" alt=\"about Vision Datum Telecentric Lenses Naming Rules\"\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0655\/5490\/7394\/files\/120_5a1eeb32-3b4e-4b3b-bdab-ef13a6be5251.png?v=1719384607\" width=\"752\" height=\"568\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote 1：The back focal length of model with (LM) is adjustable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote 2：Warm tips: The above DOF is just theoretical value at the ideal aperture (eg. ±763@F11). Actual DOF or the DOF what you need, please check with our sales engineer before order cfm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/2837\/4127\/files\/VT_06.png?v=1772522101\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Rapixel","offers":[{"title":"[WD]73mm [FOV]26Φmm [Mag.]0.277x","offer_id":43214239465583,"sku":"BTL-0.277X-73-125","price":655.0,"currency_code":"USD","in_stock":true},{"title":"[WD]110mm [FOV]36Φmm [Mag.]0.2x","offer_id":43214239498351,"sku":"BTL-0.2X-110-125","price":655.0,"currency_code":"USD","in_stock":true},{"title":"[WD]128mm [FOV]48Φmm [Mag.]0.15x","offer_id":43214239531119,"sku":"BTL-0.15X-128-125","price":675.0,"currency_code":"USD","in_stock":true},{"title":"[WD]138mm [FOV]48Φmm [Mag.]0.15x(LM)","offer_id":43214239563887,"sku":"BTL-0.15X-128-125","price":675.0,"currency_code":"USD","in_stock":true},{"title":"[WD]138mm [FOV]56Φmm [Mag.]0.129x(LM)","offer_id":43214239596655,"sku":"BTL-0.129X-138-125(LM)","price":709.0,"currency_code":"USD","in_stock":true},{"title":"[WD]158mm [FOV]64Φmm [Mag.]0.113x(LM)","offer_id":43214239629423,"sku":"BTL-0.113X-158-125(LM)","price":709.0,"currency_code":"USD","in_stock":true},{"title":"[WD]178mm [FOV]72Φmm [Mag.]0.1x(LM)","offer_id":43214239662191,"sku":"BTL-0.1X-178-125(LM)","price":1090.0,"currency_code":"USD","in_stock":true},{"title":"[WD]208mm [FOV]90Φmm [Mag.]0.08x(LM)","offer_id":43214239694959,"sku":"BTL-0.08X-208-125(LM)","price":1265.0,"currency_code":"USD","in_stock":true},{"title":"[WD]258mm [FOV]100Φmm [Mag.]0.072x(LM)","offer_id":43214239727727,"sku":"BTL-0.072X-258-125(LM)","price":1548.0,"currency_code":"USD","in_stock":true},{"title":"[WD]263mm [FOV]110Φmm [Mag.]0.066x(LM)","offer_id":43214239760495,"sku":"BTL-0.066x-263-125(LM)","price":1689.0,"currency_code":"USD","in_stock":true},{"title":"[WD]300mm [FOV]150Φmm [Mag.]0.048x(LM)","offer_id":43214239793263,"sku":"BTL-0.048X-300-125(LM)","price":1615.0,"currency_code":"USD","in_stock":true},{"title":"[WD]318mm [FOV]170Φmm [Mag.]0.042x(LM)","offer_id":43214239826031,"sku":"BTL-0.042X-318-125(LM)","price":2235.0,"currency_code":"USD","in_stock":true},{"title":"[WD]330mm [FOV]190Φmm [Mag.]0.038x(LM)","offer_id":43214239858799,"sku":"BTL-0.038X-330-125(LM)","price":3924.0,"currency_code":"USD","in_stock":true},{"title":"[WD]410mm [FOV]240Φmm [Mag.]0.03x(LM)","offer_id":43214239891567,"sku":"BTL-0.03XH-410-125(LM)","price":4578.0,"currency_code":"USD","in_stock":true},{"title":"[WD465mm [FOV]300Φmm [Mag.]0.024x(LM)","offer_id":43214239924335,"sku":"BTL-0.024X-465-125(LM)","price":8500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2837\/4127\/files\/1-2.5.png?v=1756803731","url":"https:\/\/shop.rapixeltech.com\/de\/products\/1-2-5-c-mount-precision-measurement-bi-telecentric-lens","provider":"Rapixel Offical Store","version":"1.0","type":"link"}