Feature Wide Application: Widely applied in research and study of plants and insects, oil painting identification, antique jade appraisal, electronics industry testing, skin and hair quality testing, etc. Mini Size and Light Weight: Fingertip size, convenient for neat storage and easy carrying; nice appearance design, looks well with your smartphone. Explore the micro world with your phone Can you imagine that there is a day when you could explore the microscopic with your eyes, clearly get the details of the micro world? The objective of the 200X microscope do it! Camera, it will help you to take stunning enlarged photos and videos in high resolution, allowing you to find the world that cannot be observed with the naked eye. 200X Pocket Microscope: If you need a cell phone microscope with larger magnification while keeping a small size but with plug-in magnification. This child microscope is exactly your best choice. The 200X USB microscope brings you different visual effects to observe and discover the invisible micro-world that surrounds you. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Equivalent focal length: 40.6mm Exit pupil diameter: 1.45mm Optical distortion: