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It is ideal for ho. Specifics: Condition: 100% Brand New Type: Microscope Color: White Light:Dual LED Illumination Objective Lens：4X 10X 40X Eyepiece:WF10X WF25X 2X erecting eyepiece Real Angle of View: 45 Degrees Magnification Maximum: 2000.00 Power Supply: AC100-240V(US Plug) or 2*1.5VAA batteries(not included) Product Dimensions: 29.5*16*15.5cm/11.6*6.3*6.1inch 40x-2000x Powerful Magnifications Option A： 10X Eyepiece & 2X Extender Lens 10X Eyepiece and 4X,10X,40X Objectives 10X * 4X = 40X 10X * 10X = 100X 10X * 40X = 400X 10X Eyepiece,2X Extender Lens and 4X,10X,40X Objectives 10X * 2X * 4X = 80X 10X * 2X * 10X = 200X 10X * 2X * 40X = 800X Option B: 25X Eyepiece & 2X Extender Lens 25X Eyepiece and 4X,10X,40X Objectives 25X * 4X = 100X 25X * 10X = 250X 25X * 40X = 1000X 25X Eyepiece,2X Extender Lens and 4X,10X,40X Objectives 25X * 2X * 4X = 200X 25X * 2X * 10X = 500X 25X * 2X * 40X = 2000X Using the microscope 1).To get started,use a prepared microscope glass slide, and place it on the center of the microscope Stage. Clamp it down with the Stage Clips. 2).After you have set up the microscope with the corresponding illumination,look through the Eyepiece. 3).Always start observing using the lowest magnification with the microscope.Use the 4X Objcctive Lens by rotating the Objective Lens Turret so that the 4X Objective Lens is aiming at the center of the Stag(when it is in the proper position it will click into place).The 4X Objective Lens will give a 40X(40 power)view with the I0X Eyepiece. Final Power is calculated by multiplying the Objcctive Lens Power by the Eyepiece Power(e.g，4 X 10=40) 4).Focus the microscope by slowly turning the Focusing Knob, until an image forms in the Eyepiece. 5).If the image appears too bright, the 5-Aperture Rotary Diaphragm until a comfortable view is seen. You can choose between aperture positions 5, 4, 3, 2 and 1. If the image is too dim, use the largest aperture and increase the brightness of the light source. 6).To increase magnification, rotate the Objective Lens Turret to center the 10X Objective Lens over the specimen for 100X, or the 40X Objective Lens for 400X, or change the eyepiece from 10X to 16X . When using higher magnifications focusing becomes more critical and the objective lens will come closer to the specimen in order to reach focus. Don't let the lens touch the slide as You may break the slide and damage the lens. Care and maintenance: The microscope is a high quality optical appliance. Therefore you should make sure that dust or moisture do not come into contact with your microscope. Avoid putting fingerprints on any optical surfaces. If dust or dirt should nevertheless have gotten onto your microcope, or the accessories, you should first remove this with a soft brush. Then clean the soiled area with a soft, lint-free cloth. To remove fingerprints from the optical surfaces it is best to use a lint-free, soft cloth ， to which you have applied some alcohol. After usage，you should stow the microscope and the accessories in their correct containers again. Note: 1.Please allow 1-3mm difference due to manual measurement. 2.Before you purchase,Please confirm whether suitable for you need. Package Included: 1X Microscope 1X Slide Set 1X Operating Accessory Set 1X 10X Eyepiece 1X 25 Eyepiece 1X Barlow Lens 2X 1X Power Adapter 1X Cleaning Cloth 1X Manual About US About Our Items We strive to describe all items accurately and thoroughly, with the utmost care and attention to detail. However, to ensure a mutually satisfactory transaction, we kindly ask for your assistance in thoroughly reviewing the item description and photos, and addressing any questions before placing a bid. Customer Satisfaction We stand behind our commitment with exceptional service, a 100% money-back guarantee, and a dedication to customer satisfaction. I am readily available to address any inquiries or concerns you may have, both before and after your purchase. Our aim is to ensure your shopping experience is enjoyable and that you're delighted with your purchase. Feedback Your feedback is crucial to our business's success. If you're satisfied with your purchase and the service you received, we would greatly appreciate your positive feedback, along with an overall Detailed Selling Rating (DSR) of 5. Please take a moment to leave us positive feedback. Our eBay account is set up to automatically reciprocate positive feedback once yours is received. If you're considering leaving neutral/negative feedback or opening an eBay/PayPal case, we encourage you to reach out to us immediately. We're committed to resolving any issues to the best of our ability. Shipping Parcel will be shipped using Standard shipping method. For security purposes, items will be shipped exclusively to the confirmed address on Paypal. Please ensure your Shipping address is up to date before proceeding with payment. Estimated delivery time within the United States ranges from 3 to 10 business days, depending on your location. Returns We accept returns within 60 days from the date the buyer receives the item. If the item is found to be defective upon receipt, the customer has up to 30 days from the date of receipt to request an exchange for a new item or a refund. For returns due to a change of mind, we accept items in their original selling condition. However, if the package has been opened due to a mistaken order, it does not qualify for our return policy. Please note that the buyer is responsible for covering the cost of return postage. If you encounter any issues, please reach out to us via eBay message, and we'll respond within 24 hours. 100X-2000X Compound Monocular Microscope For Kids Adult With Slides Set 89.87 USD Free shipping Binocular Compound Microscope For Adults Students 40X-2500X Magnification 249.87 USD Free shipping