{"product_id":"olympus-plan-n-40x-0-65-objective-bx40-bx41-bx-series-replacement","title":"Olympus Plan N 40X\/0.65 Objective | BX40, BX41 \u0026 BX-Series Replacement","description":"\u003ch2\u003eOlympus Plan N 40X\/0.65 Replacement Microscope Objective for BX40 and BX-Series\u003c\/h2\u003e\u003cp\u003eReplace a damaged, contaminated or missing 40X objective on a compatible Olympus BX-series compound microscope with this genuine Olympus Plan N 40X\/0.65 objective (part number 1-U2B227). This pre-owned objective is described as being in excellent condition and producing a good image. It is a practical spare for laboratories that rely on routine brightfield microscopy.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOlympus Plan N 40X objective with numerical aperture 0.65\u003c\/li\u003e\n\u003cli\u003eInfinity-corrected optical marking: ∞\/0.17\/FN22\u003c\/li\u003e\n\u003cli\u003eOlympus part number 1-U2B227\u003c\/li\u003e\n\u003cli\u003eDesigned for use with a 0.17 mm coverslip\u003c\/li\u003e\n\u003cli\u003eSuitable for routine brightfield viewing of prepared microscope slides in compatible systems\u003c\/li\u003e\n\u003cli\u003eUseful as a replacement or spare when a 40X objective is damaged or contaminated\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eOlympus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective series\u003c\/td\u003e\n\u003ctd\u003ePlan N\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\u003c\/td\u003e\n\u003ctd\u003e0.65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical correction\u003c\/td\u003e\n\u003ctd\u003eInfinity (∞)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverslip thickness\u003c\/td\u003e\n\u003ctd\u003e0.17 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField number marking\u003c\/td\u003e\n\u003ctd\u003eFN22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOlympus part number\u003c\/td\u003e\n\u003ctd\u003e1-U2B227\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003ePre-owned; described as excellent, producing a good image\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eOlympus Microscope Compatibility\u003c\/h3\u003e\u003cp\u003eThe original listing identifies the following Olympus BX-series microscope models as compatible: BX40, BX41, BX45, BX50, BX51, BX61, BX43, BX53 and BX63. \u003cstrong\u003eCompatibility should be confirmed against your existing objective markings, optical system and microscope configuration before ordering.\u003c\/strong\u003e Contact our team with a photo of your existing objective if you are unsure.\u003c\/p\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePathology and histology:\u003c\/strong\u003e Detailed brightfield examination of stained tissue sections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eClinical and research laboratories:\u003c\/strong\u003e Routine examination of prepared microscope slides requiring 40X objective magnification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMicroscope repair and maintenance:\u003c\/strong\u003e Replace an objective with damaged optics, poor image quality or stubborn contamination.\u003c\/p\u003e\u003ch3\u003eWhy Keep a Spare 40X Objective?\u003c\/h3\u003e\u003cp\u003eA 40X objective can become contaminated when immersion oil is accidentally transferred from a nearby 100X oil-immersion objective. If cleaning requires professional service, having a compatible spare can help reduce microscope downtime. Avoid aggressive cleaning methods that could damage optical coatings or the objective assembly.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch4\u003eWill this 40X objective fit my Olympus BX40 microscope?\u003c\/h4\u003e\u003cp\u003eThe original listing specifies compatibility with the Olympus BX40 and several other BX-series models. Please verify your microscope's optical configuration and current objective markings before ordering.\u003c\/p\u003e\u003ch4\u003eIs this a 40X oil immersion objective?\u003c\/h4\u003e\u003cp\u003eThis listing is for an Olympus Plan N 40X\/0.65 objective marked ∞\/0.17\/FN22, not an oil-immersion objective. Avoid applying immersion oil unless the specific objective is expressly marked for oil use.\u003c\/p\u003e\u003ch4\u003eWhat does 40X\/0.65 mean?\u003c\/h4\u003e\u003cp\u003e40X is the objective's magnification; 0.65 is its numerical aperture, an optical parameter related to light collection and resolution.\u003c\/p\u003e\u003ch4\u003eIs this objective new?\u003c\/h4\u003e\u003cp\u003eNo. The source listing describes a pre-owned Olympus objective in excellent condition that produces a good image.\u003c\/p\u003e\u003ch4\u003eCan you help verify compatibility?\u003c\/h4\u003e\u003cp\u003eYes. Share your microscope model and the markings on your current objective with the Microscope Marketplace team.\u003c\/p\u003e\u003ch3\u003eRelated Olympus Microscope Parts\u003c\/h3\u003e\u003cp\u003eBrowse \u003ca href=\"\/search?q=Olympus%20objective\u0026amp;type=product\"\u003eOlympus microscope objectives\u003c\/a\u003e or \u003ca href=\"\/search?q=BX40\u0026amp;type=product\"\u003eOlympus BX40 microscopes and replacement parts\u003c\/a\u003e. For assistance selecting the correct objective, contact Microscope Marketplace at \u003ca href=\"tel:9197755596\"\u003e919-775-5596\u003c\/a\u003e.\u003c\/p\u003e","brand":"Olympus","offers":[{"title":"Default Title","offer_id":44896617594958,"sku":"Olympus Part# 1-U2B227","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2198\/6126\/products\/57_c474b8bf-312c-4939-a8e8-a13156f625b2.jpg?v=1724012587","url":"https:\/\/microscopemarketplace.com\/products\/olympus-plan-n-40x-0-65-objective-bx40-bx41-bx-series-replacement","provider":"Microscope Marketplace","version":"1.0","type":"link"}