Trinocular Microscope 40X to 2500X Aluminum Alloy Biological Microscope for Medicine Health Institutions Item Type: Trinocular Microscope Material: Aluminum Alloy Optical Magnification: 40X to 2500X Observation Tube: Hinge trinocular, 30 degree tilt, 360 degree rotation Pupil distance adjustment range Approx. 48 to 75mm / 1.89 to 2.95in Eyepiece: Wide angle eyepiece WF10X DIN18mm, WF25X 8m Objective: Flat field achromatic objective Objective Lens: 4/0.1 Approx. 36.5mm / 1.44in 10/0.25 Approx. 0.76mm / 0.03in 40/0.65 Approx. 0.53mm / 0.02in 100/1.25 Approx. 0.13mm / 0.01in (oil mirror) Converter: Four hole conversion Operating Platform: Right Hand Low Hand Control in X and Y Directions Platform Area: Approx. 125 x 115mm / 4.92 x 4.53in Movement Range: Approx. 76 x 52mm / 2.99 x 2.05in Coarse and Micro Focusing Mechanism: Coarse adjustment stroke 20mm, fine adjustment accuracy 0.002mm Condenser: Abbe condenser, N.A. equals to 1.25, variable aperture Light Source: LED cold light source 1W Trinocular Interface: 1X trinocular interface (can connect 25mm camera and 23.2 electronic eyepiece)