Feature: 1. COARSE AND MICRO FOCUSING MECHANISM: Low hand coarse and micro coaxial focusing mechanism, with a coarse adjustment stroke of 20mm and a fine adjustment accuracy of 0.002mm. 2. APPLICABLE VOLTAGE: Built in 85‑240V wide voltage system, LED cold light source 1W, 50‑60Hz. 3. ADJUSTABLE BRIGHTNESS: With a condenser NA=1.25, with variable light bars. Easier for you to make adjustments for better observing. 4. APPLICABLE SCENARIO: Applicable to animal husbandry, aesthetic medicine health institutions, universities, middle schools, colleges and other units for biology, pathology, teaching and professional research. 5. ALUMINUM ALLOY MATERIAL: Made of premium aluminum alloy material, this microscope is strong and sturdy, wear resistant and scratch resistance, ensuring a along service life. Specification: 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 Power Supply: 85V-240V AC50 60Hz Trinocular Interface: 1X trinocular interface (can connect 25mm camera and 23.2 electronic eyepiece). Package List: 2 x Eyepiece WF10X DIN18mm 2 x Eyepiece WF25X 1 x Triocular Microscope Body 1 x Plug 1 x Dust Cover 1 x Electronic Eyepiece Adapter 1 x 5 Pack Biological Slices 1 x Frosted Piece 1 x Fuse Tube 1 x Manual