1. Equivalent focal length 40.6mm exit pupil diameter: 1.45mm 2. Optical Distortion: < 4.5% Focus Distance: 0.3MM 3. Number of lenses: 4 pieces 4 groups + CPL 4. Lens Aperture: F1.8 Lens Coating: Multilayer 5. Product material: PCs + electronic components 6. Clamping distance: Max: 12mm, Min: 4mm 7. Battery capacity: 110mAh 8. Light on time: 2-4 hours, flash when the power is used up 9. Charging instructions: red light when charging, green light when full 10. charging time: 1h 11. 200X Magnification Unveil the microscopic wonders with 200 times magnification, capturing every intricate detail in HD clarity 12. Versatile Applications Embrace the diverse world of possibilities with NanoZoom x200. Ideal for lab work, jewelry appraisal, art investigation, and outdoor exploration - the choice is yours 13. Portable & App-Free Effortlessly transform your smartphone into a powerful microscope - no need for any additional apps 14. Wide Compatibility Specifically designed universal clip caters to mobile phones, ensuring a seamless experience for all users 15. Perfect Gifts A useful, practical lens for students, collectors, engineers, testers, and anyone interested in exploring the microscopic world