Features:Macro lens, can for focus to 40-75mm distance to take photos, with 10X magnification.Optical glass, multi-layer coating, waterproof, oil-proof and high-definition pictures taken without distortion.Compact in appearance and lightweight, ultra-thin for easy carrying.Wide application, perfect for microcosmic such as prickly pear, circuit board, lily, insect, for butterfly, compound eyes of flies, stamps, antiques, precision parts, etc.Universal for almost all for smart phones with webcam in the market. Package Includes:1 Piece Macro Lens Specifications:Item Name: 75mm Phone Macro LensStructure: 5 pieces in 4 groupsApplicable Phones: suitable for 90% SmartphonesMin for Focus Distance: 40-75mmLens Coating: Multi-layer CoatingMagnification: 10XMaterial: Aluminum Alloy+Optical GlassLens Diameter: Approx. 46 mm/1.for 81 inch note:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order.Due to the difference between different monitors, the picture may not reflect the actual color of the item.