{"product_id":"btl-23-series-bi-telecentric-lenses","title":"BTL-23 Series 2\/3\" Telecentric Lens | C-Mount Lens for AOI \u0026 Precision Machine Vision","description":"\u003ch2\u003eProduct Description\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBTL-23 Series 2\/3\" Telecentric Lens for Precision Machine Vision\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Rapixel BTL-23 Series Telecentric Lens is designed for high-accuracy machine vision inspection, measurement, and automation systems requiring stable magnification and distortion-free imaging.\u003c\/p\u003e\n\u003cp\u003eCompatible with 2\/3\" industrial cameras and C-Mount interfaces, the series provides excellent optical performance with \u0026lt;0.1% distortion, high resolution, and flexible magnification options from 0.038X to 0.438X.\u003c\/p\u003e\n\u003cp\u003eWith FOV options up to 300mm, the BTL-23 Series is ideal for AOI inspection, dimensional measurement, semiconductor inspection, and precision manufacturing applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2\/3\" Sensor Compatibility supports high-performance industrial vision cameras.\u003c\/li\u003e\n\u003cli\u003eTelecentric Optical Design provides accurate measurement with minimal perspective error.\u003c\/li\u003e\n\u003cli\u003eUltra-Low Distortion \u0026lt;0.1% ensures reliable inspection results.\u003c\/li\u003e\n\u003cli\u003eWide Magnification Range from 0.038X to 0.438X for different applications.\u003c\/li\u003e\n\u003cli\u003eLarge FOV up to 300mm enables inspection of larger components.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAOI Inspection for PCB, electronics, and precision components.\u003c\/li\u003e\n\u003cli\u003eDimensional Measurement for industrial metrology and quality control.\u003c\/li\u003e\n\u003cli\u003eSemiconductor Inspection for wafer and component analysis.\u003c\/li\u003e\n\u003cli\u003eBattery Inspection for electrode, cell, and assembly quality checking.\u003c\/li\u003e\n\u003cli\u003eRobotics Vision for accurate positioning and automated manufacturing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: center;\"\u003eModel No.\u003c\/th\u003e\n\u003cth align=\"right\" style=\"text-align: center;\"\u003eFOV (Φmm)\u003c\/th\u003e\n\u003cth align=\"right\" style=\"text-align: center;\"\u003eMag. (X)\u003c\/th\u003e\n\u003cth align=\"right\" style=\"text-align: center;\"\u003eWD (mm)\u003c\/th\u003e\n\u003cth align=\"right\" style=\"text-align: center;\"\u003eMTF30 (lp\/mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.438X-73-23\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e26\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.438\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e73±1\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.317X-110-23\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e36\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.317\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e110±2\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;145\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.271X-118-23\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e42\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.271\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e118±3\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;185\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.238X-128-23\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e48\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.238\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e128±3\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;165\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.238X-138-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e48\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.238\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e138±3\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.204X-138-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e56\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.204\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e138±3\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.178X-158-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e64\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.178\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e158±3\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.158X-178-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e72\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.158\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e178±3\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.142XH-228-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e80\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.142\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e228±4\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.127X-208-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e90\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.127\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e208±3\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.114X-238-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e100\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.114\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e238±4\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;185\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.104X-263-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e110\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.104\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e263±4\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.095X-273-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e120\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.095\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e273±5\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;185\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.084X-288-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e136\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.084\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e288±5\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;185\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.076X-300-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e150\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.076\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e300±5\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;185\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.067X-318-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e170\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.067\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e318±5\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.06X-330-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e190\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.060\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e330±5\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.053X-372-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e216\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.053\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e372±5\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.048XH-410-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e240\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.048\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e410±6\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.044X-338-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e258\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.044\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e338±5\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBTL-0.038X-465-23(LM)\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e300\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e0.038\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e465±6\u003c\/td\u003e\n\u003ctd align=\"right\" style=\"text-align: center;\"\u003e\u0026gt;180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003cspan\u003e1. The back focal length of model with (LM) is adjustable. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e2. Warm tips:\u003c\/span\u003e\u003cspan\u003e 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 \u003c\/span\u003e\u003cspan\u003eorder cfm.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/2837\/4127\/files\/telecentric-lens-for-aoi-inspection.png?v=1785134506\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/oLfDEuRPLu0?si=DwpD_fZAfxdUzJmQ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"Rapixel","offers":[{"title":"WD 73mm Mag.0.438x[FOV 26mm]","offer_id":43592377598063,"sku":"BTL-0.438X-73-23","price":640.0,"currency_code":"USD","in_stock":true},{"title":"WD 110mm Mag.0.317x[FOV 36mm]","offer_id":43592377630831,"sku":"BTL-0.317X-110-23","price":680.0,"currency_code":"USD","in_stock":true},{"title":"WD 118mm Mag.0.271x[FOV 42mm]","offer_id":43592377663599,"sku":"BTL-0.271X-118-23","price":690.0,"currency_code":"USD","in_stock":true},{"title":"WD 128mm Mag.0.238x[FOV 48mm]","offer_id":43592377696367,"sku":"BTL-0.238X-128-23","price":715.0,"currency_code":"USD","in_stock":true},{"title":"WD 138mm Mag.0.238x[FOV 48mm]","offer_id":53895688388719,"sku":"BTL-0.238X-138-23(LM)","price":715.0,"currency_code":"USD","in_stock":true},{"title":"WD 138mm Mag.0.204x[FOV 56mm]","offer_id":43592377729135,"sku":"BTL-0.204X-138-23(LM)","price":715.0,"currency_code":"USD","in_stock":true},{"title":"WD 158mm Mag.0.178x[FOV 64mm]","offer_id":43592377761903,"sku":"BTL-0.178X-158-23(LM)","price":850.0,"currency_code":"USD","in_stock":true},{"title":"WD 178mm Mag.0.158x[FOV 72mm]","offer_id":43592377794671,"sku":"BTL-0.158X-178-23(LM)","price":1010.0,"currency_code":"USD","in_stock":true},{"title":"WD 228mm Mag.0.142x[FOV 80mm]","offer_id":43592377827439,"sku":"BTL-0.142XH-228-23(LM)","price":1170.0,"currency_code":"USD","in_stock":true},{"title":"WD208mm Mag.0.127x[FOV 90mm]","offer_id":43592377860207,"sku":"BTL-0.127X-208-23(LM)","price":1170.0,"currency_code":"USD","in_stock":true},{"title":"WD 238mm Mag.0.114x[FOV 100mm]","offer_id":43592377892975,"sku":"BTL-0.114X-238-23(LM)","price":1220.0,"currency_code":"USD","in_stock":true},{"title":"WD 263mm Mag.0.104x[FOV 110mm]","offer_id":43592377925743,"sku":"BTL-0.104X-263-23(LM)","price":1540.0,"currency_code":"USD","in_stock":true},{"title":"WD 273mm Mag.0.095x[FOV 120mm]","offer_id":53895688421487,"sku":"BTL-0.095X-273-23(LM)","price":1645.0,"currency_code":"USD","in_stock":true},{"title":"WD 288mm Mag.0.084x[FOV 136mm]","offer_id":43592377958511,"sku":"BTL-0.084X-288-23(LM)","price":1800.0,"currency_code":"USD","in_stock":true},{"title":"WD 300mm Mag.0.076x[FOV 150mm]","offer_id":43592501100655,"sku":"BTL-0.076X-300-23(LM)","price":2125.0,"currency_code":"USD","in_stock":true},{"title":"WD 318mm Mag.0.067x[FOV 170mm]","offer_id":53895688454255,"sku":"BTL-0.067X-318-23(LM)","price":3395.0,"currency_code":"USD","in_stock":true},{"title":"WD 330mm Mag.0.06x[FOV 190mm]","offer_id":53895688487023,"sku":"BTL-0.06X-330-23(LM)","price":3395.0,"currency_code":"USD","in_stock":true},{"title":"WD 372mm Mag.0.053x[FOV 216mm]","offer_id":53895688519791,"sku":"BTL-0.053X-372-23(LM)","price":4560.0,"currency_code":"USD","in_stock":true},{"title":"WD 410mm Mag.0.048x[FOV 240mm]","offer_id":53895688552559,"sku":"BTL-0.048XH-410-23(LM)","price":4880.0,"currency_code":"USD","in_stock":true},{"title":"WD 338mm Mag.044x[FOV 258mm]","offer_id":53895688585327,"sku":"BTL-0.044X-338-23(LM)","price":6150.0,"currency_code":"USD","in_stock":true},{"title":"WD 465mm Mag.0.038x[FOV 300mm]","offer_id":53895688618095,"sku":"BTL-0.038X-465-23(LM)","price":8165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2837\/4127\/files\/btl23-telecentric-lens-series.png?v=1785225286","url":"https:\/\/shop.rapixeltech.com\/zh\/products\/btl-23-series-bi-telecentric-lenses","provider":"Rapixel Offical Store","version":"1.0","type":"link"}