This teleconverter delivers enhanced optical performance for most single-lens reflex and digital cameras. Constructed with optical glass lens elements, it offers high clarity and light transmittance. Multi-layer coatings help minimize flare and chromatic aberration by reducing unwanted light reflections. Features: 1. Durable metal housing provides strength, wear resistance, and corrosion protection. 2. High-quality optical glass with multi-coating effectively reduces glare, flare, and dispersion. 3. 2.2x magnification enhances subject detail, ideal for close-up photography. 4. Precision-engineered design ensures secure fit for 67mm filter thread, compatible with all cameras featuring a 67mm mount. 5. Lightweight and practical design, serves as a functional option for telephoto extension. Specification: Material: Aluminum-magnesium alloy + coated optical glass Color: Black Magnification: 2.2X Lens Structure: 2 groups of 2 elements 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 Camera is not included. Note: This product is designed for use with small zoom and prime lenses only. Maximum compatible focal length is 105mm. Optimal performance is achieved within a focal length range of 55mm.