1、Made of aluminum magnesium alloy material, the lens is solid and durable, having long life time. 2、Professional optical glass with anti-reflection film increases light transmittance and ensures high quality imaging effect. 3、0.35X wide angle lens dramatically increases your wide angle range. 4、Suitable for camera with 52mm lens thread. Easy to install and remove. 5、Waterproof, scratch-proof, oil-proof. Exquisite design, lightweight and portable. Features: 1. Made of aluminum magnesium alloy material, the lens is solid and durable, having long life time. 2. Professional optical glass with anti-reflection film increases light transmittance and ensures high quality imaging effect. 3. 0.35X wide angle lens dramatically increases your wide angle range. 4. Suitable for camera with 52mm lens thread. Easy to install and remove.  5. Waterproof, scratch-proof, oil-proof. Exquisite design, lightweight and portable. 6. Suitable for Canon/ for Nikon/ for Sony/ for Minolta/ for Pansonic/ for Olympus/for Pentax SLR and digital cameras. Specifications: Material:  Aluminum Magnesium Alloy + Optical Glass + Film color: Black Times Rate: 0.35 Structure: three piece of three group Interface Diameter: 52mm/ 2.05 inches Front Diameter: 67mm/ 2.64 inches Packing List:  1 * Fisheye Lens 1 * Front Cap 1 * Rear Cap 1 * Storage Bag