{"product_id":"olympus-bh2-brightfield-darkfield-nosepiece","title":"Olympus BH2 Brightfield Darkfield Nosepiece","description":"\u003cp style=\"font-family:'Segoe UI Emoji', sans-serif;\"\u003e🔬 \u003cstrong\u003eOlympus BH2-5BD 5-position brightfield\/darkfield revolving nosepiece\u003c\/strong\u003e for BH2, BHT, BHS, and BHM series upright microscopes\u003cbr\u003e⚡ \u003cstrong\u003eBrightfield and darkfield switching\u003c\/strong\u003e — each objective position supports both BF and DF illumination modes, switchable without changing objectives or nosepieces\u003cbr\u003e🎯 \u003cstrong\u003e5 objective positions\u003c\/strong\u003e — accommodates five objectives for manual selection across a broad magnification range\u003cbr\u003e🏭 \u003cstrong\u003eMade in Japan\u003c\/strong\u003e by Olympus — guaranteed OEM fit and optical performance on BH2, BHT, BHS, and BHM platforms\u003cbr\u003e✅ \u003cstrong\u003eSKU BH2-5BD\u003c\/strong\u003e — excellent condition, compatible with BH2 series microscopes\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"font-family:'Segoe UI Emoji', sans-serif;\"\u003e\u003cstrong\u003e🔧 Product Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Olympus BH2-5BD is a 5-position brightfield\/darkfield revolving nosepiece for Olympus BH2, BHT, BHS, and BHM series upright microscopes. Unlike a standard nosepiece, the BH2-5BD is designed to support both brightfield (BF) and darkfield (DF) reflected or transmitted light illumination modes at each objective position — allowing the operator to switch between BF and DF contrast without changing objectives or nosepieces. In brightfield mode, directly reflected or transmitted light is collected for standard specimen observation. In darkfield mode, the direct beam is blocked and only obliquely scattered light is collected, revealing surface defects, grain boundaries, fine topographic features, and unstained specimens with high contrast against a dark background. The BH2-5BD is the correct OEM brightfield\/darkfield nosepiece for the BH2 series platform — an essential replacement or upgrade component for researchers and institutions maintaining BH2, BHT, BHS, or BHM microscopes in active BF\/DF service. This unit is in excellent condition.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"font-family:'Segoe UI Emoji', sans-serif;\"\u003e\u003cstrong\u003e🔎 Typical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMetallography — brightfield and darkfield reflected light switching for grain structure, phase identification, and surface defect detection on BH2 series\u003c\/li\u003e\n\u003cli\u003eMaterials inspection — DF contrast for revealing scratches, inclusions, and surface topography on polished metal and alloy specimens\u003c\/li\u003e\n\u003cli\u003eBiological darkfield — high-contrast DF observation of unstained or lightly stained specimens on BHT or BHS platforms\u003c\/li\u003e\n\u003cli\u003eMulti-contrast workflows — rapid BF\/DF switching at each magnification without objective or nosepiece changes\u003c\/li\u003e\n\u003cli\u003eReplacement or upgrade BF\/DF nosepiece for existing BH2, BHT, BHS, or BHM series microscopes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"font-family:'Segoe UI Emoji', sans-serif;\"\u003e\u003cstrong\u003e📊 Key Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOlympus Part Number\u003c\/td\u003e\n\u003ctd\u003eBH2-5BD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eBrightfield \/ Darkfield Revolving Nosepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Positions\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIllumination Modes\u003c\/td\u003e\n\u003ctd\u003eBrightfield (BF) and Darkfield (DF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Microscopes\u003c\/td\u003e\n\u003ctd\u003eOlympus BH2, BHT, BHS, BHM series\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\u003ctr\u003e\n\u003ctd\u003eHS Code\u003c\/td\u003e\n\u003ctd\u003e901190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp style=\"font-family:'Segoe UI Emoji', sans-serif;\"\u003e\u003cem\u003eUniversities and research institutions are welcome to purchase using an official purchase order. Please contact us to arrange PO-based ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"spachoptics","offers":[{"title":"Default Title","offer_id":51695373386029,"sku":"BH2-5BD","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/7965\/8029\/files\/OLYMPUS-5-PLACE-BD-2.jpg?v=1765519677","url":"https:\/\/www.spachoptics.com\/products\/olympus-bh2-brightfield-darkfield-nosepiece","provider":"Spach Optics, Inc.","version":"1.0","type":"link"}