This teleconverter delivers professional performance for most single-lens reflex and digital cameras. It features optical glass lenses with high transmittance and multiple coatings that help reduce flare and chromatic aberration by blocking unnecessary light. Features: 1. Constructed from high-quality metal material, offering durability, wear resistance, and corrosion resistance. 2. Premium optical glass lens with multi-layer coatings effectively minimizes glare, flare, and dispersion. 3. 2.2x magnification enhances subject detail, ideal for close-up photography. 4. Precision-machined design ensures a secure fit for 67mm lens mounts, compatible with all cameras having a 67mm thread. 5. Lightweight and practical design provides a convenient option for extending focal length. Specifications: Material: Aluminum-magnesium alloy + coated optical glass Color: Black Magnification: 2.2X Lens Structure: 2 elements in 2 groups Mount Diameter: Approx. 70mm / 2.75in Lens Size (Dia x H): Approx. 84 x 55mm / 3.3 x 2.17in Weight: Approx. 368g Package List: 1 x Lens 1 x Pouch Note: This product is designed for use with small zoom and prime lenses only. Maximum recommended focal length is 105mm, with optimal performance at 55mm. Camera not included.