Front diameter: 51mm Optical structure: 2 groups of 2 pieces Lens size: 25mm * 51mm Lens material: aluminum alloy optical glass Lens Accessories: 0.45X Wide Angle Macro Lens: 1 Front SLR protective cover: 1 Interface lens protection cover: 1 37MM lens clip: 1 Mirror cloth: 1 piece Leather lens storage bag: 1 Single packing size: 105*90*48mm Single weight: 0.11kg Specifications: 1. Wide angle -0.45 times super wide angle effect, the viewing angle range is expanded by 80%, which can cover a large range of scenery. Make the picture more three-dimensional, more funny and fun. 2. Macro -3-6cm macro effect, especially good at showing flowers, fish, insects and other small things. 3. Double protection of scratch-resistant lid makes you fondle admiringly. 4. Beauty function, optical beauty is naturally outstanding, does not change the environmental light and shadow effect, and can share fresh photos with confidence without bothering Ppicture. 5. High-quality optical glass improves the refractive index of the lens and makes the picture more delicate and clear. Package Included: 1 * 0.45X wide angle macro lens 1 * Front SLR protective cover 1 * Interface lens protection cover 1*37MM lens clip 1 * mirror cloth 1 * Leather lens storage bag