Monocular Microscope for Students and Kids, 200-2000x Magnification Powerful Biological Educational Microscopes with Operation Accessories(10p), Slides Set(15p), Wire Shutter & Backpack

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[Features]:RLF LF micromirror, all-optical glass element, metal frame, 360-degree rotatable single-eye head, thickness adjustment, top and bottom LED lighting system, socket (including adapter) or 3 * AA battery (not included) Magnification setting, 200X, 500X, 2000X.[Instructions]:1 Make sure the eyepiece is ready and then place the microscope slide on the stage. Start with a 4X objective. Turn on the LED lighting.2. Turn the focus knob until a clear image is obtained (first, you need to use coarse focus to find the object image and then fine-focus the image to the sharpest position).3. When the desired view is obtained at the lowest power (4X), turn the objective to the next higher magnification (10X) (40X). Use LED lighting to summarize and make coarse and fine focus to make the image of the object clearest and clearest.[specification]:Magnification setting: 200X- 2000XEyepiece: WF25X and Tube built-in 2XObjective lens: achromatic 4X, 10X, 40XFocus range: 8mmPower: 100-240VNet weight: 2.43 poundsSize: 5.51x3.94x11.42 inches[including included]: 1 x microscope1 x power adapter1 x wire shutter1 x carrying case1 x operating accessory set1 x manual