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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 Shipping Terms Returns Contact Us About Us VIPIH is one of the international leading distributors on a global scale with the full responsibility in procurement, shipping, sales and marketing and after sales service. VIPIH fulfills all needs of its clients completely and on a timely basis with the know-how it has built up since it was established and the comprehension knowledge of the sectors standards. The perfectionist approach in product quality, high service availability, strict principle of business follow-up, reliability and the good reputation which has gained strength as a result of customer satisfaction are the most striking components of VIPIH ' s success. VIPIH is presently capable of supplying all demands from the car windshield wiper systems to Ignition switch in a wide range. Free delivery with worldwide shipping options available. If you need any further information before ordering or cannot locate what you need then please get in touch our dedicated team are on hand with expert advice and assistance. Shipping United States Buyers Parcel will via USPS or UPS from us United States warehouse Shipping Time Usually ,Parcel will be delivered 2-7 working day include Handling time. Sometimes shiping time may has a little delay, such as Bad wether,Holidays Terms We stand behind everything that we sell and will do everything possible to assure you are satisfied. When you receive your purchase if you are not 100% satisfied, please sent me ebay message and we will do our best to make you happy. If you still want to return your purchase, simply ship the item(s) back to us and we will refund your original purchase price and the original shipping charge. Buyers are responsible for the postal cost of returning the items. We must be notified of the intent to return your item within 30 days of receiving the item. Items returned must be in the same condition that they were received. How to return 1,Please ask us for return address . 2,Shipping back the package . The RMA#(Return Merchant Authorization Number = Your ebay ID) must be clearly written on the return package ,Otherwise the package will be refused. 3,Sent us the return tracking number. 4,All returns will be inspected prior to a credit being issued. Returns 1:Returns are accepted within 60 days of purchase. 2:All returned items MUST BE in the original packaging. 3:We will be happy to assist you if if any item needs to be returned or replaced 4:Please don't open a return request before contacting us first to solve, many thanks. Contact Us If you have any questions, our Customer Service staffs welcome you to sent me ebay message. We strive to answer all questions and resolve any problems as quickly as possible. Business Hours: Monday-Saturday 9:00-17:00 Copyright © 2022 Tongtool