1. 20X: 10X eyepiece + 2X objective lens.
2. 20X/40X: 10X and 20X eyepiece + 2X objective lens.
1. Wide field eyepiece, 10X/20X.
2. Built-in top light illumination, high-brightness top light source makes observation clearer.
3. Adjustable eyepiece, the interpupillary distance is between 55-75mm.
4. Adjustable working distance, the working distance is about 65-102mm.
5. Professional and practical design,easy to carry and use.
6. It's a useful and fun microscope for kids, students, engineers, adults, inventors, soldering beginners to observe creatures, coins, circuit boards, stamps, skins, hair, jewelry, insects and more in the laboratory, school, home or the field.