This is a brand new professional trinocular inverted microscope with 5MP heavy-duty USB color digital camera. It comes with high quality large working distance Plan optics offering eight magnification settings, 40X, 80X, 100X, 200X, 250X, 400X, 500X & 800X. It has a 30 inclined 360 swiveling trinocular sliding head and an extremely large mechanical stage that allows you to observe directly specimen in culture flasks and/or petri dishes. Features: High quality professional high power tissue culture microscope with heavy-duty USB digital cameraProfessional research grade microscopy systemPerfect for clinics, vets, doctors and researchers5MP high resolution imagesCapturing microscope images and showing them on your computer screensDisplaying full-screen live videoEditing, saving and emailing microscope images on your computerConducting measurement across microscope imagesMeasuring lengths, angles, areas and etc.Saving microscope images as BMP, TIFF, JPG, PICT, PTL or other filesBuilt-in reduction lens giving the same field of view images on your computer screens as those seen through eyepiecesFast USB2.0 connection and easy installation and operationUser-friendly software compatible with XP/Vista/7 and Mac OS 10.6 & upFully coated optical system with high resolutionCrystal clear sharp images30 inclined 360 swiveling sliding trinocular head50W halogen illuminationUpright photo port for photographic/video capabilityFour DIN Plan large working distance objectivesTwo sets of wide field eyepiece includedEight magnification settings 40X, 80X, 100X, 200X, 250X, 400X, 500X & 800XAbove-stage condenser with moving and focusing knobs and swing-out filtersStage moving-stop mechanism to protect slides and objectivesDiopter adjustment on both ocularsTop light house with filtersUniversal/standard photo tubeSpare bulb, fuse and dust coverExtra large 3-D double layer mechanical stage with stain resistant finish.Low position coaxial stage movement control knobs.Coaxial coarse & fine focusing with CA knob tension controlBuilt-in halogen illumination system with variable brightnessDual side mounted focusing controlsFour DIN Achromatic coated objectivesFull optical glass elementsPrecise ground glass lensesAll metal mechanical componentsAdjustable interpupillary distanceAdjustable diopters on both ocularsRugged cast alloy frame and stand with stain resistant enamel finishManufactured under ISO 9001 quality control standardExcellent five (5) year factory warrantySpecifications: Nosepiece: quadrupleFocusing Range: 1-9/16" (40mm)Interpupillary Adjustment Mechanisms: 2-3/16" - 3" (55 - 75mm)Head: trinocular anti-mould viewing head inclined at 30 Eyepieces: PLAN WF10X (18mm Field of View) and WF20X (11mm)Objectives: 4X (0.1 NA), 10X (0.25 NA), 25X (0.4 NA), 40X (0.60 NA)Stage Dimensions: 7-1/2" x 5-11/16" (190x145mm)Stage Traveling Range: 3.0" x 2.0" (75x50mm)Vernier Division: 0.004" (0.1mm)Filters: 1-11/16", yellow and greenIllumination: 12V/50W halogen bulbIllumination Elevating Range: 25/32" (20mm)Power Supply: 110V/60Hz (220V/50Hz adapter available), CE certified.