{"product_id":"h-1-1-8-400-1700nm-c-mount-25-1200mm-swir-zoom-lenses","title":"1\/1.8\" 400-1700nm C-Mount 25-1200mm SWIR Zoom Lenses","description":"\u003cdiv\u003e\n\u003cp\u003eAdvanced 25–1200mm SWIR zoom lens covering 400–1700nm wavelength range. Designed for 1\/1.8\" sensors with C-Mount interface, it offers wide focal flexibility, high transmission, and precise imaging. Perfect for broadband SWIR inspection, surveillance, and scientific research.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eMain Features\u003c\/h2\u003e\n\u003ctable style=\"width: 99.915%; height: 156.718px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 47.1613%; height: 19.5898px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 52.5615%; height: 19.5898px;\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eVLEN251200SW\u003c\/span\u003e\u003c\/div\u003e\n\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: 47.1613%; height: 19.5898px;\" width=\"190\"\u003eEFL（mm）\u003c\/td\u003e\n\u003ctd style=\"width: 52.5615%; height: 19.5898px;\" width=\"380\"\u003e\n\u003cdiv\u003e\n\u003cspan\u003e25 - 1200mm\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 47.1613%; height: 19.5898px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eAperture(F#)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.5615%; height: 19.5898px;\" width=\"380\"\u003e\n\u003cdiv\u003e\u003cspan\u003eF4.8 - 10\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 47.1613%; height: 19.5898px;\" width=\"190\"\u003e\n\u003cdiv\u003e\u003cspan\u003eSensor Size\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.5615%; height: 19.5898px;\" width=\"380\"\u003e\n\u003cdiv\u003e\u003cspan\u003e1\/1.8\"\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 47.1613%; height: 19.5898px;\" width=\"190\"\u003e\n\u003cdiv\u003e\u003cspan\u003eWavelength（nm）\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.5615%; height: 19.5898px;\" width=\"380\"\u003e\n\u003cdiv\u003e\u003cspan\u003e400-1700nm\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 47.1613%; height: 19.5898px;\" width=\"190\"\u003e\n\u003cdiv\u003e\n\u003cspan\u003eField of View\u003c\/span\u003e\u003cspan\u003e(D*H*V)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.5615%; height: 19.5898px;\" width=\"380\"\u003e\n\u003cdiv\u003e\u003cspan\u003e0.34 X 0.2°. at 1200mm\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 47.1613%; height: 19.5898px;\" width=\"190\"\u003e\n\u003cdiv\u003e\n\u003cspan\u003eM.O.D. \u003c\/span\u003e\u003cspan\u003e(m)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.5615%; height: 19.5898px;\"\u003e\n\u003cdiv\u003e\u003cspan\u003e15\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 47.1613%; height: 19.5898px;\" width=\"190\"\u003e\n\u003cdiv\u003e\u003cspan\u003eMount\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.5615%; height: 19.5898px;\" width=\"380\"\u003e\n\u003cdiv\u003e\u003cspan\u003eC-mount\u003c\/span\u003e\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\/VLEN251200SW.png?v=1771037613\"\u003e\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\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 title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/Z22Uy1Nlykk?si=fEGEjTa-n0QeDtxb\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u0026gt;\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 \/ 25-1200mm C-Mount","offer_id":49176613585142,"sku":"VLEN251200SW","price":67450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1779\/7622\/files\/SWIR_Lens-16-160mm-1CT.png?v=1770972593","url":"https:\/\/shop.contrastech.com\/th\/products\/h-1-1-8-400-1700nm-c-mount-25-1200mm-swir-zoom-lenses","provider":"Contrastech","version":"1.0","type":"link"}