{"product_id":"nikon-s-fluor-4x-20-m25-thread-size-microscope-objective-51675a","title":"Nikon\n S Fluor 4x\/.20 M25 Thread Size Microscope Objective","description":"\u003ch2\u003eNikon S Fluor 4x\/0.20 Objective – Refurbished\/Used\u003c\/h2\u003e\n\n\u003cp\u003eThe Nikon S Fluor 4x\/0.20 (Model: MRF00040) is a high-performance objective designed to provide excellent contrast, resolution, and light transmission at low magnification. As part of Nikon's Super Fluor series, it offers superior correction for spherical and chromatic aberrations, making it ideal for fluorescence, brightfield, and transmitted light microscopy.\u003c\/p\u003e\n\n\u003cp\u003eWith a numerical aperture of 0.20 and an M25 thread mount, this objective is compatible with modern Nikon Eclipse microscope systems and delivers outstanding image quality across the field of view. Its high transmission and fluorite optics make it especially suited for applications that benefit from widefield fluorescence at low magnification.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCondition: Refurbished\/Used\u003c\/strong\u003e\u003cbr\u003e\n(This product has been inspected and verified to meet manufacturer specifications)\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e4x magnification with 0.20 numerical aperture\u003c\/li\u003e\n  \u003cli\u003eFluorite (semi-apochromatic) optics for improved chromatic correction\u003c\/li\u003e\n  \u003cli\u003eExcellent for fluorescence and transmitted light applications\u003c\/li\u003e\n  \u003cli\u003eWide field flatness and high contrast even at low magnification\u003c\/li\u003e\n  \u003cli\u003eM25 threading compatible with Nikon Eclipse series microscopes\u003c\/li\u003e\n  \u003cli\u003eDesigned for 0.17 mm cover glass thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWidefield Fluorescence Microscopy\u003c\/li\u003e\n  \u003cli\u003eBrightfield Imaging\u003c\/li\u003e\n  \u003cli\u003eSpecimen Survey \u0026amp; Overview Scans\u003c\/li\u003e\n  \u003cli\u003eLive Cell Imaging (Low Magnification)\u003c\/li\u003e\n  \u003cli\u003eDevelopmental Biology \u0026amp; Tissue Studies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNikon\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS Fluor 4x\/0.20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMRF00040\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMagnification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4x\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumerical Aperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImmersion Medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptical Correction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFluorite (Semi-Apochromat)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM25 x 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCover Glass Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.17 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Systems\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNikon Eclipse Series\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRefurbished\/Used\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Mister Scientific - Ebay","offers":[{"title":"Default Title","offer_id":47560884912382,"sku":"51675a","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/7860\/5310\/files\/Nikon_obj_4x_51675a_1_39fdfa3d-79ae-473e-9cf3-943b32944b4e.png?v=1765740869","url":"https:\/\/coastalmicroscopes.com\/products\/nikon-s-fluor-4x-20-m25-thread-size-microscope-objective-51675a","provider":"Coastal Microscopes","version":"1.0","type":"link"}