{"product_id":"olympus-xlfluor-2x-340","title":"Olympus XLFluor 2x \/ 340 Macro-Fluorescence Objective","description":"\u003cp\u003e🔬 2x macro-fluorescence objective with ultra-long working distance up to 21.0 mm\u003cbr\u003e✅ New \/ Open Box condition — SKU N5687100\u003cbr\u003e🎯 Excellent fluorescence performance for B, G, and UV (365nm) excitation\u003cbr\u003e🏭 High UV and NIR transmittance (340nm and 700–1000nm) — made in Japan\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003e🔧 Product Description\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Olympus XLFluor 2x\/340 is a specialized macro-fluorescence objective engineered for low-magnification, wide-field fluorescence imaging with exceptional UV transmission. With a numerical aperture of 0.14 and an ultra-long working distance of 19.8–21.0 mm, it provides generous clearance for large or complex specimens including live animal preparations and thick tissue samples. Its semi-apochromat (fluorite) optical design delivers excellent fluorescence performance across blue, green, and UV (365nm) excitation wavelengths, while also transmitting in the 340nm and 700–1000nm ranges. The M34x1 mounting thread and 65mm parfocal distance make it compatible with Olympus macro-fluorescence systems.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003e🔎 Typical Applications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWide-field macro-fluorescence imaging of large biological specimens\u003c\/li\u003e\n\u003cli\u003eLive animal and whole-organ fluorescence imaging\u003c\/li\u003e\n\u003cli\u003eUV-excited fluorescence microscopy at 340nm and 365nm\u003c\/li\u003e\n\u003cli\u003eNIR fluorescence imaging (700–1000nm transmittance)\u003c\/li\u003e\n\u003cli\u003eLow-magnification survey imaging of thick tissue sections\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003e📊 Key Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eXLFluor 2x\/340\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification\u003c\/td\u003e\n\u003ctd\u003e2x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumerical Aperture (NA)\u003c\/td\u003e\n\u003ctd\u003e0.14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Distance (WD)\u003c\/td\u003e\n\u003ctd\u003e19.8–21.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImmersion Medium\u003c\/td\u003e\n\u003ctd\u003eAir (Water: 0–5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Type\u003c\/td\u003e\n\u003ctd\u003eSemi-apochromat (Fluorite)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Number\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParfocal Distance\u003c\/td\u003e\n\u003ctd\u003e65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focal Plane (BFP)\u003c\/td\u003e\n\u003ctd\u003e35.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread\u003c\/td\u003e\n\u003ctd\u003eM34x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Transmittance (340nm)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNIR Transmittance (700–1000nm)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluorescence (B \u0026amp; G excitation)\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluorescence (UV 365nm)\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew \/ Open Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003chr\u003e\u003cp\u003e\u003cem\u003eUniversity and institutional purchase orders accepted. Contact us for invoicing details.\u003c\/em\u003e\u003c\/p\u003e","brand":"Spach Optics, Inc.","offers":[{"title":"Default Title","offer_id":52258079637805,"sku":"N5687100","price":2900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/7965\/8029\/files\/3afcf6c4-f473-48d9-a08d-381b1eeed992.png?v=1785079770","url":"https:\/\/www.spachoptics.com\/products\/olympus-xlfluor-2x-340","provider":"Spach Optics, Inc.","version":"1.0","type":"link"}