{"product_id":"olympus-bh2-pa-polarizing-attachment-with-bertrand-lens-and-rotating-analyzer","title":"Olympus BH2-PA Pol Attachment with Bertrand Lens and Rotating Analyzer","description":"\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\u003cstrong\u003eOlympus BH2-PA Polarizing Intermediate Attachment — Bertrand Lens \u0026amp; Rotating Analyzer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003ePolarizing intermediate attachment with integrated Bertrand lens and rotating analyzer for the Olympus BH2 series — ideal for conoscopic interference figure analysis, optical axis determination, and advanced polarized light microscopy.\u003c\/p\u003e\n\u003cul style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\n\u003cli\u003e🔬 Polarizing Intermediate Attachment — integrates analyzer and Bertrand lens in a single unit\u003c\/li\u003e\n\u003cli\u003e🔄 Rotating Analyzer — 360° rotation for crossed-polarizer configuration and extinction angle measurement\u003c\/li\u003e\n\u003cli\u003e🔦 Bertrand Lens — enables conoscopic observation of interference figures for optical axis determination\u003c\/li\u003e\n\u003cli\u003e✅ Compatible with Olympus BH2 series microscopes\u003c\/li\u003e\n\u003cli\u003e🎓 Refurbished\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\u003cstrong\u003e🔧 Product Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003eThe Olympus BH2-PA is a polarizing intermediate attachment that integrates a rotating analyzer and a Bertrand lens into a single unit for the BH2 series microscopes. The rotating analyzer provides 360° adjustment for crossed-polarizer configuration and extinction angle measurement. The integrated Bertrand lens enables conoscopic observation — by inserting the Bertrand lens into the optical path, the back focal plane of the objective is imaged, revealing interference figures that are diagnostic for optical axis determination, crystal system identification, and sign of birefringence measurement. The BH2-PA is an essential accessory for advanced petrographic and mineralogical analysis on BH2 series microscopes.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\u003cstrong\u003e🔎 Typical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\n\u003cli\u003eConoscopic interference figure analysis\u003c\/li\u003e\n\u003cli\u003eOptical axis and optic sign determination\u003c\/li\u003e\n\u003cli\u003eAdvanced mineral identification and crystallography\u003c\/li\u003e\n\u003cli\u003eExtinction angle measurement for mineral identification\u003c\/li\u003e\n\u003cli\u003eResearch-grade petrographic microscopy on BH2 systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\u003cstrong\u003e📊 Key Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003ePolarizing Intermediate Attachment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eComponents\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eRotating analyzer, Bertrand lens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eAnalyzer Rotation\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eOlympus BH2 series microscopes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eOLYMPUS-BH2-PA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eRefurbished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding: 6px 10px; border: 1px solid #ddd;\"\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\u003cstrong\u003e🎓 University purchase orders accepted.\u003c\/strong\u003e Contact us for volume pricing and institutional procurement options.\u003c\/p\u003e","brand":"Spach Optics, Inc.","offers":[{"title":"Default Title","offer_id":51695377908013,"sku":"BH2-PA","price":1195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/7965\/8029\/files\/OLYMPUS-BH2-PA-2.jpg?v=1765520101","url":"https:\/\/www.spachoptics.com\/products\/olympus-bh2-pa-polarizing-attachment-with-bertrand-lens-and-rotating-analyzer","provider":"Spach Optics, Inc.","version":"1.0","type":"link"}