{"product_id":"national-168","title":"National 168 SP","description":"\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWidefield 10x \/18mm eyepieces, pointer standard in one eyepiece.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBinocular viewing head with 30° inclined eyepieces, with dual diopters, interpupillary adjustment 54mm to 76mm, rotates 360° for easy sharing by more than one student.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDIN semi-plan  4x (0.10 N.A.), 10x (0.25 N.A.), 40xR (0.65 N.A.) and 100xR oil immersion (1.25 N.A.) achromatic objectives. All are parfocalled, parcentered and color-coded.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuad objective turret is ball-bearing mounted for smooth, precise positioning of objectives, features textured rubber knurling for easy grip. Mounted in reverse position to facilitate ease in changing slides.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e3W LED variable illumination.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIlluminated on\/off switch, 3-wire grounded cord and plug.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e110V-220V external auto-switching power supply. CE approved\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoaxial coarse and fine focusing controls, coarse has tension adjustment, fine is graduated.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge 140mm x 135mm (5-1.2 in. x 5-1\/4 in.) stage; built-in, low profile, ball-bearing mounted mechanical specimen holder with low-position coaxial controls, 70mm (x) by 50mm (y) movement with graduations of 0.1mm.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1.25 N.A. Abbe condenser has rack \u0026amp; pinion focusing, iris diaphragm, swing-out filter holder with clear blue, green and yellow filters supplied.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRugged cast aluminum frame, gray enamel finish.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":67676030435697,"sku":"168-SP","price":936.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1088\/1741\/6561\/files\/168_1_3.jpg?v=1791565584","url":"https:\/\/capitalmicroscopeservices.com\/products\/national-168","provider":"Capital Microscope Services, Inc. ","version":"1.0","type":"link"}