{"product_id":"leica-n-plan-epi-pol-xlr-20x-0-4-oil-m25-thread-size-microscope-objective-obj-000-012","title":"Leica N Plan EPI POL XLR 20x\/0.4 Oil M25 Thread Size Microscope Objective","description":"\u003ch2\u003eLeica N Plan EPI POL XLR OFN25 20x\/0.4 Oil M25 Thread Size - 556076 (Used)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLeica N Plan EPI POL XLR OFN25 20x\/0.4 Oil\u003c\/strong\u003e is a high-performance **plan achromatic objective** designed for **reflected light (EPI), polarized light (POL), and brightfield microscopy**. With a **numerical aperture (NA) of 0.4**, this objective provides superior resolution, contrast, and flat-field correction, making it ideal for **geology, metallurgy, material science, and industrial inspection**. The **M25 thread size** ensures compatibility with Leica DM series and other M25-compatible microscopes.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRefurbished\/Used\u003c\/strong\u003e\u003cbr\u003e\n\u003cem\u003e(This product has been inspected and verified to meet manufacturer specifications.)\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eIncluded Items\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLeica N Plan EPI POL XLR OFN25 20x\/0.4 Oil Objective\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20x magnification\u003c\/strong\u003e for high-resolution imaging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlan achromatic (N Plan) optics\u003c\/strong\u003e for superior contrast and color correction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumerical aperture (NA) of 0.4\u003c\/strong\u003e for excellent light transmission and resolution\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReflected light (EPI) and polarized light (POL) optimized\u003c\/strong\u003e for material analysis\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide field of view (OFN25)\u003c\/strong\u003e for large-sample imaging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil immersion\u003c\/strong\u003e design for maximum resolution and brightness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM25 thread size\u003c\/strong\u003e for compatibility with Leica DM series and other standard microscopes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlat field correction\u003c\/strong\u003e for sharp, edge-to-edge imaging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized for metallurgical and industrial applications\u003c\/strong\u003e with high transmission coatings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReflected light (EPI) microscopy\u003c\/li\u003e\n  \u003cli\u003ePolarized light (POL) microscopy\u003c\/li\u003e\n  \u003cli\u003eMetallurgical analysis\u003c\/li\u003e\n  \u003cli\u003eMaterial science research\u003c\/li\u003e\n  \u003cli\u003eBrightfield microscopy\u003c\/li\u003e\n  \u003cli\u003eIndustrial inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\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\u003e\u003cstrong\u003eMagnification\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e20x\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eNumerical Aperture (NA)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e0.4\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eWorking Distance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e~2.1 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eImmersion Medium\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eOil\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eField Number (OFN)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e25\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eOptical Correction\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003ePlan Achromatic (Flat Field, High Contrast, Optimized for EPI \u0026amp; POL)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eM25 (25mm thread diameter)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eParfocal Distance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e60 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eCompatible Microscopes\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eLeica DM series and other M25-compatible models\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eSpecial Features\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eOptimized for polarized light and reflected light imaging, high transmission coatings for industrial and material science applications\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n","brand":"Copia Scientific","offers":[{"title":"Default Title","offer_id":45901665337598,"sku":"OBJ-000-012","price":1800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/7860\/5310\/files\/Leica_20x_obj-000-012_1-Photoroom.png?v=1774689290","url":"https:\/\/coastalmicroscopes.com\/products\/leica-n-plan-epi-pol-xlr-20x-0-4-oil-m25-thread-size-microscope-objective-obj-000-012","provider":"Coastal Microscopes","version":"1.0","type":"link"}