Bộ đồ chơi giáo dục kính hiển vi nghiên cứu thí nghiệm khoa học

Description: Name: Children Microscope Material: ABS Specifications: 21.5*24.5*10cm Multiples: 100/400/1200 times Color: 450 times standard microscope, 1200 times standard microscope, 1200 times microscope with mobile phone holder 425g Power supply: 2*AA(not included) Ability development: interest training Science and education toy type: biological / chemical Instructions: 1. Insert two AA batteries, turn on the LED light. 2. Counterclockwise rotation of focus knob lens tube to pick up, adjust the brightness. 3. Take a specimen first and placed on a slide, which can be served as a cover slide with another slide. 4. The objective lens is turned to 100x, which is 100 times objective lens. The objective lens is turned to 450x, which is 450 times objective lens. 5. With your eyes on the objective lens, adjust the height of the objective lens to the lowest position with your right hand, but do not touch the cover glass. With eyes on the eyepiece, increase the focal length of your right hand little by little until you can see something. Package list: 450 times standard microscope: 1*Microscope+1*Sample Fiber+ 4*Blank Slide+ 2*Collection Bottle+ 1*Specimen Box + 1*Tweezers; 1200 times standard microscope: 1*Microscope+1*Sample Fiber+4*Blank Slide+*2*Collection Bottle+ 1*Specimen Box + 1*Tweezers; 1200 times with mobile phone support microscope: 1*Microscope+1*Sample Fiber+4*Blank Slide+*2*Collection Bottle+ 1*Specimen Box + 1*Tweezers+1*Mobile Phone Clip Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.