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