APL-MS001 100X Smartphone Microscope with LED Light 1. Multi-layer broadband coating on the whole surface, good definition 2. According to F1.8 aperture design, stronger compatibility 3. The light is on for more than 1 hour 4. Can hold (fit) all mobile phones 5. Equivalent focal length: 45mm 6. Exit pupil diameter: 2.3mm 7. Optical distortion: less than 4.5% 8. Standard definition of focusing distance: 10-11.4mm 9. Focusing distance product shape definition: 3.6-5mm 10. Number of lenses: 4 ements in 4 groups 11. Magnification: about 100x 12. Lens aperture: F1.8 13. Lens coating: Multilayer 14. Lens material: aluminum 15. Product material: PC 16. Clamping distance: about 40mm from the edge of the phone 17. Battery capacity: 30mAh 18. Charging port: Micro usb 19. LED brightness: 6 LED light guides, one lev of brightness 20. Light on time: about 100 minutes, flashes when the battery runs out 21. Color temperature of lamp beads: 6000~6500K 22. Switch control: Hall induction (magnetic control) 23. Charging instructions: red light is on when charging, green light is on when fully charged 24. Charging time: about 90 minutes