{"product_id":"zeiss-ld-a-plan-ph1-20x-0-35-m27-thread-size-microscope-objective-50184d","title":"Zeiss LD A-Plan Ph1 20x\/0.35 M27 Thread Size Microscope Objective","description":"\u003ch2\u003eZeiss LD A-Plan 20x\/0.35 Ph1 Objective, M27 Thread – Catalog #421251-9911\u003c\/h2\u003e\n\n\u003cp\u003eThe Zeiss LD A-Plan 20x\/0.35 Ph1 is a high-performance phase contrast objective, engineered for superior clarity in live cell imaging and transmitted light applications. Designed with long working distance (LD) and phase ring (Ph1), this M27-threaded objective is an ideal match for phase contrast setups using compatible Zeiss microscopes. It offers crisp contrast and flat-field correction across the field of view.\u003c\/p\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRefurbished\/Used\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-style: italic;\"\u003e(This product has been inspected and verified to meet manufacturer specifications)\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnification:\u003c\/strong\u003e 20x\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumerical Aperture (NA):\u003c\/strong\u003e 0.35\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eObjective Type:\u003c\/strong\u003e LD A-Plan (Long Distance, Plan-corrected)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContrast Technique:\u003c\/strong\u003e Phase Contrast (Ph1 ring)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e M27 (Zeiss standard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Distance:\u003c\/strong\u003e Long—ideal for thick specimens or live cell imaging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eField Correction:\u003c\/strong\u003e Plan (flat image across the field)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication Focus:\u003c\/strong\u003e Excellent for unstained, transparent specimens under phase contrast\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLive cell and culture imaging\u003c\/li\u003e\n  \u003cli\u003eUnstained tissue observation\u003c\/li\u003e\n  \u003cli\u003eMicrobiology and cell biology research\u003c\/li\u003e\n  \u003cli\u003eClinical and teaching labs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n  \u003ctr\u003e\n    \u003cth style=\"text-align: left;\"\u003eSpecification\u003c\/th\u003e\n    \u003cth style=\"text-align: left;\"\u003eDetail\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eManufacturer\u003c\/td\u003e\n    \u003ctd\u003eZeiss\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eModel\u003c\/td\u003e\n    \u003ctd\u003eLD A-Plan 20x\/0.35 Ph1\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eCatalog Number\u003c\/td\u003e\n    \u003ctd\u003e421251-9911\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMagnification\u003c\/td\u003e\n    \u003ctd\u003e20x\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eNumerical Aperture\u003c\/td\u003e\n    \u003ctd\u003e0.35\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eObjective Type\u003c\/td\u003e\n    \u003ctd\u003eLD A-Plan (Long Distance)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eContrast Method\u003c\/td\u003e\n    \u003ctd\u003ePhase Contrast (Ph1)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eThread Size\u003c\/td\u003e\n    \u003ctd\u003eM27\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eImmersion Method\u003c\/td\u003e\n    \u003ctd\u003eDry\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eWorking Distance\u003c\/td\u003e\n    \u003ctd\u003eLong (exact distance varies)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eField Correction\u003c\/td\u003e\n    \u003ctd\u003ePlan (flat field)\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eConfiguration shown is for demonstration purposes. Contact us to discuss your application and needs for a customized quote.\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"Heritage Global Partners","offers":[{"title":"Default Title","offer_id":46607377629438,"sku":"50184d","price":800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/7860\/5310\/files\/Zeiss_20x_50184d_1-Photoroom_d8d3b7c5-3b24-459b-8c74-1c24b9d9347e.png?v=1774689996","url":"https:\/\/coastalmicroscopes.com\/products\/zeiss-ld-a-plan-ph1-20x-0-35-m27-thread-size-microscope-objective-50184d","provider":"Coastal Microscopes","version":"1.0","type":"link"}