Feature: 1. Made of good quality aluminum alloy, the lens is solid, durable and rustless. 2. The 0.45X Wide-Angle dramatically increases your wide-angle range. 3. You just screw this lens on front of existing lens or adapter. Easy to install and remove. 4. Waterproof, scratch-proof, oil-proof. Exquisite design, lightweight and portable. 5. It fits any camera with 49mm lens thread. 62 mm front thread for filter installation. Specification: Features: 1. Made of good quality aluminum alloy, the lens is solid, durable and rustless. 2. The 0.45X Wide-Angle dramatically increases your wide-angle range. 3. You just screw this lens on front of existing lens or adapter. Easy to install and remove. 4. Waterproof, scratch-proof, oil-proof. Exquisite design, lightweight and portable. 5. It fits any camera with 49mm lens thread. 62 mm front thread for filter installation. Specifications: Material: Aluminium Alloy + Optical Glass Color: Black Interface Size: 49 mm Front Thread Diameter: 62 mm Multiplier: 0.45X Compatible models: Mounts on any lens with 49mm diameter Size: Approx. 6.7*6.7*3.6 cm/ 2.64*2.64*1.42 inch Weight: Approx. 167 g Packing List: 1 * Lens 1 * Storage Bag for Lens 1 * Lens Cleaning Cloth Note: 1. This product should be used with a 49mm diameter conventional camera lens, and should not be used alone. 2. This product has most obvious effect used with medium and short lenses with focal length of 18-55.