{"product_id":"h-1-900-1700nm-c-mount-25-75-200-400mm-swir-lenses","title":"1\" 900-1700nm C-Mount 200\/400mm SWIR Lenses","description":"\u003cdiv\u003e\n\u003cp\u003ePremium SWIR lenses for 900–1700nm wavelength range, available in 25mm, 75mm, 200mm, and 400mm focal lengths. Designed for 1\" sensors with C-Mount compatibility, offering excellent transmission, low distortion, and high resolution for SWIR imaging, inspection, and research applications.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eMain Features\u003c\/h2\u003e\n\u003cp\u003e■ High performance, high resolution\u003cbr\u003e■ Safe and non-heat design, C-Mount\u003cbr\u003e■ High reliability and high tightness\u003cbr\u003e■ Special infrared materials and coating design to ensure high transmittance in the infrared band\u003c\/p\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 class=\"size-chart\" style=\"width: 99.9972%; height: 121.133px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 39.1797px;\"\u003e\n\u003cth style=\"width: 31.3646%; height: 39.1797px; text-align: center;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 18.2059%; height: 39.1797px; text-align: center;\"\u003e\n\u003cspan style=\"font-weight: 400;\"\u003e\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eEFL\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan style=\"font-weight: 400;\"\u003e\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth style=\"width: 15.3218%; height: 39.1797px; text-align: center;\"\u003e\n\u003cspan style=\"font-weight: 400;\"\u003e\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eAperture\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/th\u003e\n\u003cth style=\"width: 23.9741%; height: 39.1797px; text-align: center;\"\u003e\n\u003cspan style=\"font-weight: 400;\"\u003e\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eField of View\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan style=\"font-weight: 400;\"\u003e\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth style=\"width: 10.9956%; text-align: center;\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eWork Distance\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 31.3646%; text-align: center; height: 19.5898px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eVT-LEM20040SW-H1\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2059%; text-align: center; height: 19.5898px;\"\u003e200mm\u003c\/td\u003e\n\u003ctd style=\"width: 15.3218%; text-align: center; height: 19.5898px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eF4-22\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 23.9741%; text-align: center; height: 19.5898px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e4.57°×3.66°×2.75°\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 10.9956%; text-align: center;\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003e10m- ∞\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 31.3646%; text-align: center; height: 19.5898px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eVT-LEM40056SW-H1\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 18.2059%; text-align: center; height: 19.5898px;\"\u003e400mm\u003c\/td\u003e\n\u003ctd style=\"width: 15.3218%; text-align: center; height: 19.5898px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eF5.6\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 23.9741%; text-align: center; height: 19.5898px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e2.29°X1.83°X1.37°\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 10.9956%; text-align: center;\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003e20m- ∞\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/1779\/7622\/files\/2_06.png?v=1760079831\"\u003e\u003c\/p\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\" target=\"_blank\" rel=\"noopener\"\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":"900-1700nm 200mm F4-22","offer_id":49176227709174,"sku":"VT-LEM20040SW-H1","price":6150.0,"currency_code":"USD","in_stock":true},{"title":"900-1700nm 400mm F5.6","offer_id":49176231280886,"sku":"VT-LEM40056SW-H1","price":10000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1779\/7622\/files\/LEM40056SWIR-H1-400mm-1.jpg?v=1771038159","url":"https:\/\/shop.contrastech.com\/uk\/products\/h-1-900-1700nm-c-mount-25-75-200-400mm-swir-lenses","provider":"Contrastech","version":"1.0","type":"link"}