{"product_id":"olympus-lumplanfl-n-40x-water-dipping-objective","title":"Olympus LUMPLANFL N 40X Water Immersion (Dipping) Microscope Objective (NA 0.80, Infinity)","description":"\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\u003cb\u003eHigh-performance 40× water dipping objective with 0.80 NA and semi-apochromat optics for deep tissue fluorescence imaging and electrophysiology.\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\n\u003cli\u003e💧 \u003cb\u003eWater Dipping Design\u003c\/b\u003e — Long working distance enables direct immersion into open tissue chambers for physiological experiments.\u003c\/li\u003e\n\u003cli\u003e🔬 \u003cb\u003e40× Magnification, 0.80 NA\u003c\/b\u003e — High resolution with excellent light-gathering capability for fluorescence and DIC imaging.\u003c\/li\u003e\n\u003cli\u003e📏 \u003cb\u003e3.3mm Working Distance\u003c\/b\u003e — Generous clearance for deep tissue penetration and electrode access in brain slices.\u003c\/li\u003e\n\u003cli\u003e🌟 \u003cb\u003eSemi-Apochromat (Fluorite) Optics\u003c\/b\u003e — Excellent chromatic correction for multi-color fluorescence and IR-DIC imaging.\u003c\/li\u003e\n\u003cli\u003e📷 \u003cb\u003eField Number 26.5\u003c\/b\u003e — Wide field of view for observing multiple cells and tissue regions simultaneously.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e🔧 Product Description\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003eThe \u003cb\u003eOlympus LUMPLANFL N 40X Water Dipping Objective (N2667700)\u003c\/b\u003e is a specialized high-performance objective designed for \u003cb\u003edeep tissue fluorescence imaging and electrophysiology in living brain slices and tissue preparations\u003c\/b\u003e. Water dipping objectives are essential tools in neuroscience and physiology research, enabling \u003cb\u003edirect optical access to living tissue in open recording chambers\u003c\/b\u003e while maintaining the tissue in physiological saline.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003eThe \u003cb\u003e40× magnification and 0.80 numerical aperture\u003c\/b\u003e provide exceptional \u003cb\u003eresolution and light-gathering capability\u003c\/b\u003e, enabling visualization of fine cellular structures, dendritic spines, and subcellular compartments in living neurons. This magnification strikes an optimal balance between \u003cb\u003eresolution and field of view\u003c\/b\u003e, making it ideal for examining individual neurons and their processes while maintaining context of surrounding tissue. The high NA is critical for \u003cb\u003efluorescence imaging\u003c\/b\u003e where light collection efficiency directly impacts signal-to-noise ratio, and for \u003cb\u003einfrared differential interference contrast (IR-DIC)\u003c\/b\u003e imaging which is the gold standard for visualizing living neurons in brain slices for patch-clamp recording.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003eThe \u003cb\u003e3.3mm working distance\u003c\/b\u003e provides generous clearance for \u003cb\u003edeep tissue penetration\u003c\/b\u003e while accommodating patch pipettes, stimulation electrodes, and other experimental tools. This working distance enables imaging neurons located 50–200 micrometers deep in brain slices—the typical depth range for healthy, viable neurons in acute slice preparations. The dipping design allows the objective to be \u003cb\u003elowered directly into the recording chamber\u003c\/b\u003e, with the front lens element immersed in the physiological saline bathing the tissue.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003eThe \u003cb\u003eLUMPLANFL N (Long-distance Universal Medium Plan Fluorite)\u003c\/b\u003e optical design incorporates \u003cb\u003esemi-apochromat (fluorite) glass elements\u003c\/b\u003e that provide excellent chromatic aberration correction across a broad wavelength range. This correction is essential for \u003cb\u003emulti-color fluorescence imaging\u003c\/b\u003e where GFP, YFP, RFP, and other fluorophores are imaged simultaneously, and for \u003cb\u003eIR-DIC imaging combined with visible fluorescence\u003c\/b\u003e—a common workflow in neuroscience where IR-DIC guides electrode placement while fluorescence identifies genetically labeled cell populations.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003eThe \u003cb\u003efield number 26.5\u003c\/b\u003e provides a wide field of view that enables observation of multiple neurons, dendritic arbors, or tissue regions simultaneously—valuable for understanding cellular interactions, network activity, and tissue organization.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003eThis objective is compatible with \u003cb\u003eOlympus BX (upright) series microscopes\u003c\/b\u003e, the standard platform for electrophysiology and brain slice imaging. The \u003cb\u003eRMS thread mount\u003c\/b\u003e ensures compatibility with standard microscope nosepieces.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e🔎 Typical Applications\u003c\/h2\u003e\n\u003cul style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e\n\u003cli\u003eBrain slice electrophysiology and patch-clamp recording\u003c\/li\u003e\n\u003cli\u003eTwo-photon calcium imaging in living tissue\u003c\/li\u003e\n\u003cli\u003eIR-DIC visualization of living neurons\u003c\/li\u003e\n\u003cli\u003eMulti-color fluorescence imaging in brain slices\u003c\/li\u003e\n\u003cli\u003eOptogenetics and photostimulation experiments\u003c\/li\u003e\n\u003cli\u003eDendritic spine imaging and plasticity studies\u003c\/li\u003e\n\u003cli\u003eSynaptic physiology and imaging\u003c\/li\u003e\n\u003cli\u003eAcute tissue slice imaging in neuroscience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 style=\"font-family: 'Segoe UI Emoji', sans-serif;\"\u003e📊 Key Specifications\u003c\/h2\u003e\n\u003ctable style=\"font-family: 'Segoe UI Emoji', sans-serif; border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f2f2f2;\"\u003e\u003cb\u003eSpecification\u003c\/b\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #f2f2f2;\"\u003e\u003cb\u003eDetails\u003c\/b\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCatalog Number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eN2667700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMagnification\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e40×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eNumerical Aperture (NA)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWorking Distance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e3.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eOptical Design\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eLUMPLANFL N (Long-distance Universal Medium Plan Fluorite)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eOptical Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSemi-Apochromat (Fluorite)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eImmersion Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWater Dipping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eField Number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e26.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCorrection\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eInfinity-corrected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eThread Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eOlympus BX series upright microscopes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eElectrophysiology, fluorescence imaging, IR-DIC, brain slice imaging\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\u003cb\u003eUniversity purchase orders accepted.\u003c\/b\u003e Contact us for volume pricing and institutional procurement options.\u003c\/p\u003e","brand":"spachoptics","offers":[{"title":"Default Title","offer_id":51695416344877,"sku":"N2667700","price":3800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/7965\/8029\/files\/LUMPLFLN40XW_SHOP.jpg?v=1782679787","url":"https:\/\/www.spachoptics.com\/products\/olympus-lumplanfl-n-40x-water-dipping-objective","provider":"Spach Optics, Inc.","version":"1.0","type":"link"}