{"product_id":"j-tlvs-h1-1-visible-swir-telecentric-lens","title":"TLVS-H1.1 Visible–SWIR Telecentric Lens | Focus Shift Correction 400–1200nm","description":"\u003cdiv\u003e\n\u003ch2\u003eProduct Description\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eVisible–SWIR Telecentric Lens with Focus Shift Correction for Precision Imaging\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe TLVS-H1.1 Series is a high-performance Visible–SWIR telecentric lens designed for advanced machine vision applications requiring imaging across a wide wavelength range from 400 to 1200nm. Its unique focus shift correction technology ensures consistent image focus from visible light to shortwave infrared (SWIR), eliminating the need for refocusing during multi-spectrum inspection.\u003c\/p\u003e\n\u003cp\u003eThis series enables users to capture both visible and transmitted SWIR images with high stability, allowing the detection of internal structures and defects that are invisible under standard visible-light imaging. It is particularly effective for silicon wafer inspection and IC internal circuit imaging at ~1100nm transmission wavelength.\u003c\/p\u003e\n\u003cp\u003eAvailable in 0.7X, 1.0X, 2.0X, and 4.0X magnifications, the TLVS-H1.1 series supports both coaxial and non-coaxial configurations, providing flexible integration for different industrial inspection systems.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e✔ Visible–SWIR Wideband Imaging (400–1200nm)\u003cbr\u003eSupports seamless imaging from visible light to SWIR spectrum.\u003c\/p\u003e\n\u003cp\u003e✔ Focus Shift Correction Technology\u003cbr\u003eMaintains sharp focus across multiple wavelengths without adjustment.\u003c\/p\u003e\n\u003cp\u003e✔ Telecentric Optical Design\u003cbr\u003eEnsures distortion-free imaging and high measurement accuracy.\u003c\/p\u003e\n\u003cp\u003e✔ Multi-Magnification Options (0.7X–4.0X)\u003cbr\u003eFlexible configurations for various machine vision applications.\u003c\/p\u003e\n\u003cp\u003e✔ IC Silicon Transmission Imaging (~1100nm)\u003cbr\u003eEnables internal circuit inspection through silicon wafers.\u003c\/p\u003e\n\u003cp\u003e✔ Coaxial \/ Non-Coaxial Versions Available\u003cbr\u003eSuitable for reflective and transmissive inspection systems.\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSemiconductor Wafer Inspection\u003c\/li\u003e\n\u003cli\u003eIC Internal Circuit Imaging\u003c\/li\u003e\n\u003cli\u003eSilicon Transmission Inspection\u003c\/li\u003e\n\u003cli\u003eElectronics Manufacturing\u003c\/li\u003e\n\u003cli\u003eDefect Detection Across Spectra\u003c\/li\u003e\n\u003cli\u003ePrecision Metrology\u003c\/li\u003e\n\u003cli\u003eAdvanced Machine Vision Systems\u003c\/li\u003e\n\u003cli\u003eMulti-Spectral Industrial Imaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e400-1200nm VIS-SWIR C-Mount Telecentric Lens\u003c\/p\u003e\n\u003ctable style=\"width: 99.964%; height: 203.4px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003cth style=\"text-align: center; width: 25.6022%; height: 39.2px;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 15.9787%; height: 39.2px;\"\u003eMag.\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 16.3265%; height: 39.2px;\"\u003eWD\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 22.5308%; height: 39.2px;\"\u003eImage Circle\u003c\/th\u003e\n\u003cth style=\"text-align: center; width: 18.8839%; height: 39.2px;\"\u003eCoaxial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 21.2px;\"\u003e\n\u003ctd style=\"text-align: center; width: 25.6022%; height: 21.2px;\"\u003eTLVS-0.7XD-H1.1\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 15.9787%; height: 21.2px;\"\u003e0.7X\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 16.3265%; height: 21.2px;\"\u003e110 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 22.5308%; height: 21.2px;\"\u003eΦ20.5 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8839%; height: 21.2px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"text-align: center; width: 25.6022%; height: 19.6px;\"\u003eTLVS-0.7X-H1.1\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 15.9787%; height: 19.6px;\"\u003e0.7X\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 16.3265%; height: 19.6px;\"\u003e110 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 22.5308%; height: 19.6px;\"\u003eΦ20.5 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8839%; height: 19.6px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.2px;\"\u003e\n\u003ctd style=\"text-align: center; width: 25.6022%; height: 21.2px;\"\u003eTLVS-1.0XD-H1.1\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 15.9787%; height: 21.2px;\"\u003e1.0X\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 16.3265%; height: 21.2px;\"\u003e110 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 22.5308%; height: 21.2px;\"\u003eΦ24 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8839%; height: 21.2px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"text-align: center; width: 25.6022%; height: 19.6px;\"\u003eTLVS-1.0X-H1.1\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 15.9787%; height: 19.6px;\"\u003e1.0X\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 16.3265%; height: 19.6px;\"\u003e110 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 22.5308%; height: 19.6px;\"\u003eΦ24 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8839%; height: 19.6px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.2px;\"\u003e\n\u003ctd style=\"text-align: center; width: 25.6022%; height: 20.2px;\"\u003eTLVS-2.0XD-H1.1\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 15.9787%; height: 20.2px;\"\u003e2.0X\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 16.3265%; height: 20.2px;\"\u003e110 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 22.5308%; height: 20.2px;\"\u003eΦ24 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8839%; height: 20.2px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"text-align: center; width: 25.6022%; height: 19.6px;\"\u003eTLVS-2.0X-H1.1\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 15.9787%; height: 19.6px;\"\u003e2.0X\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 16.3265%; height: 19.6px;\"\u003e110 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 22.5308%; height: 19.6px;\"\u003eΦ24 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8839%; height: 19.6px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.2px;\"\u003e\n\u003ctd style=\"text-align: center; width: 25.6022%; height: 23.2px;\"\u003eTLVS-4.0XD-H1.1\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 15.9787%; height: 23.2px;\"\u003e4.0X\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 16.3265%; height: 23.2px;\"\u003e110 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 22.5308%; height: 23.2px;\"\u003eΦ20.5 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8839%; height: 23.2px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"text-align: center; width: 25.6022%; height: 19.6px;\"\u003eTLVS-4.0X-H1.1\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 15.9787%; height: 19.6px;\"\u003e4.0X\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 16.3265%; height: 19.6px;\"\u003e110 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 22.5308%; height: 19.6px;\"\u003eΦ20.5 mm\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 18.8839%; height: 19.6px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/B7hg1m9Pwg8?si=-XzoiHy-TT_90dL7\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eSWIR Lens Download\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; text-align: left;\"\u003e\n\u003cdiv style=\"text-align: left;\" class=\"download-item\"\u003e\u003ca href=\"https:\/\/www.contrastech.com\/upfile\/onlinedoc\/online_doc_download_directory_EN\/CONTRASTECH_Infrared_Product_Brochure_CT_EN_RLS.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"width: 250px; height: 79px;\" alt=\"Datasheet Download\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0655\/5490\/7394\/files\/01_d45190e9-6b75-48da-b72f-496d29caec61_430x.png\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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":"400-1200nm 1.1\" C-Mount \/ 0.7x Coaxial","offer_id":51011554803958,"sku":"TLVS-0.7XD-H1.1","price":6800.0,"currency_code":"USD","in_stock":true},{"title":"400-1200nm 1.1\" C-Mount \/ 0.7x Non-Coaxial","offer_id":51011554836726,"sku":"TLVS-0.7X-H1.1","price":6800.0,"currency_code":"USD","in_stock":true},{"title":"400-1200nm 1.1\" C-Mount \/ 1.0x Coaxial","offer_id":51011554869494,"sku":"TLVS-1.0XD-H1.1","price":6800.0,"currency_code":"USD","in_stock":true},{"title":"400-1200nm 1.1\" C-Mount \/ 1.0x Non-Coaxial","offer_id":51011554902262,"sku":"TLVS-1.0X-H1.1","price":6800.0,"currency_code":"USD","in_stock":true},{"title":"400-1200nm 1.1\" C-Mount \/ 2.0x Coaxial","offer_id":51011554935030,"sku":"TLVS-2.0XD-H1.1","price":6800.0,"currency_code":"USD","in_stock":true},{"title":"400-1200nm 1.1\" C-Mount \/ 2.0x Non-Coaxial","offer_id":51011554967798,"sku":"TLVS-2.0X-H1.1","price":6800.0,"currency_code":"USD","in_stock":true},{"title":"400-1200nm 1.1\" C-Mount \/ 4.0x Coaxial","offer_id":51011555000566,"sku":"TLVS-4.0XD-H1.1","price":6800.0,"currency_code":"USD","in_stock":true},{"title":"400-1200nm 1.1\" C-Mount \/ 4.0x Non-Coaxial","offer_id":51011568402678,"sku":"TLVS-4.0X-H1.1","price":6800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1779\/7622\/files\/tlvs-h1-1-visible-swir-telecentric-lens.jpg?v=1782191451","url":"https:\/\/shop.contrastech.com\/th\/products\/j-tlvs-h1-1-visible-swir-telecentric-lens","provider":"Contrastech","version":"1.0","type":"link"}