{"product_id":"ecoview-l-plan-40x-long-working-distance-objective-2-9mm-wd","title":"EcoView Plan 40X Long Working Distance Objective - 2.9mm WD","description":"\u003cp style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\u003cstrong\u003eEcoView Plan 40X Long Working Distance Metallurgical Objective\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e🔬 \u003cstrong\u003e40X Plan Achromat\u003c\/strong\u003e — flat-field correction for uniform sharpness across the full field\u003c\/li\u003e\n\u003cli\u003e📐 \u003cstrong\u003eNA 0.60 \/ WD 2.90mm\u003c\/strong\u003e — strong resolving power with generous long working distance for metallurgical clearance\u003c\/li\u003e\n\u003cli\u003e♾️ \u003cstrong\u003eInfinity corrected\u003c\/strong\u003e — compatible with modern infinity optical systems and tube lenses (180mm focal length)\u003c\/li\u003e\n\u003cli\u003e🔩 \u003cstrong\u003eRMS thread\u003c\/strong\u003e — standard thread for broad microscope compatibility\u003c\/li\u003e\n\u003cli\u003e🧰 \u003cstrong\u003eDry objective \/ no cover glass (0)\u003c\/strong\u003e — designed for direct surface inspection without immersion media or coverslip\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCondition: New \u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔧 Product Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe EcoView Plan 40X is a Plan Achromat metallurgical objective built for mid-to-high magnification surface inspection and materials analysis. At 40X with an NA of 0.60 and a working distance of 2.90mm, it delivers excellent resolving power while maintaining the clearance needed for safe examination of polished, etched, or rough industrial surfaces — a working distance that is notably generous for a 40X objective.\u003c\/p\u003e\n\u003cp\u003eThe Plan Achromat correction ensures a flat, well-corrected field across the visible spectrum — critical at 40X where field curvature in uncorrected objectives becomes increasingly apparent. The infinity-corrected optical design (180mm tube lens focal length) integrates cleanly with modern metallurgical and industrial microscope platforms, and the standard RMS thread makes it a straightforward drop-in for a wide range of nosepieces.\u003c\/p\u003e\n\u003cp\u003eDesigned as a dry objective with no cover glass requirement (0), it is optimized for direct surface imaging of metals, ceramics, semiconductors, and other opaque or polished materials. The polished chrome finish is consistent with professional-grade metallurgical objectives.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🔎 Typical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMetallurgical grain structure and microstructure analysis\u003c\/li\u003e\n\u003cli\u003eSemiconductor wafer and die surface inspection\u003c\/li\u003e\n\u003cli\u003eCeramics, coatings, and composite materials examination\u003c\/li\u003e\n\u003cli\u003eFailure analysis and quality control on polished or etched surfaces\u003c\/li\u003e\n\u003cli\u003eReplacement or upgrade 40X objective on RMS-threaded metallurgical microscopes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e📊 Key Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eEV40XLM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eEcoView\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Type\u003c\/td\u003e\n\u003ctd\u003ePlan Achromat (L Plan)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification\u003c\/td\u003e\n\u003ctd\u003e40X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumerical Aperture (NA)\u003c\/td\u003e\n\u003ctd\u003e0.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Distance (WD)\u003c\/td\u003e\n\u003ctd\u003e2.90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical System\u003c\/td\u003e\n\u003ctd\u003eInfinity corrected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Lens Focal Length\u003c\/td\u003e\n\u003ctd\u003e180mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParfocal Distance\u003c\/td\u003e\n\u003ctd\u003e45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImmersion Medium\u003c\/td\u003e\n\u003ctd\u003eDry (no immersion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover Glass\u003c\/td\u003e\n\u003ctd\u003eNone (0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread\u003c\/td\u003e\n\u003ctd\u003eRMS Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePolished chrome \/ silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp\u003e📋 \u003cem\u003eUniversity and institutional purchase orders accepted. Contact us with any questions — we're happy to help you find the right metallurgical objective for your application.\u003c\/em\u003e\u003c\/p\u003e","brand":"Spach Optics, Inc.","offers":[{"title":"Default Title","offer_id":52067753099565,"sku":"EV40XLM","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/7965\/8029\/files\/MT13033531.jpg?v=1779200864","url":"https:\/\/www.spachoptics.com\/products\/ecoview-l-plan-40x-long-working-distance-objective-2-9mm-wd","provider":"Spach Optics, Inc.","version":"1.0","type":"link"}