This teleconverter can offer professional effect for almost all single-lens reflex and digital cameras, the optical glass lens is clear with high transmittance. The multiple coating can block unnecessary light to reduce halo and dispersion. Features: 1.The shell is made of quality metal material, sturdy, wear-resistant and anti-corrosion. 2.The lens adopts premium optical glass with multiple coatings, can greatly block unnecessary light to reduce halo and dispersion. 3.2.2 times magnification, which can enhance the detail of objects, suitable for close-up shoot. 4.Precision machining ensures perfect fit for 67mm mount, suitable for all cameras with 67mm mount. 5.Lightweight and practical, a good alternative for Teleconverter lens. Specification: Material: aluminium-magnesium alloy + optical glass with coatings Color: Black Magnification: 2.2X Lens Structure: 2 groups of 2 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: The product is only suitable for small zoom and small fixed focus use, the focal length range does not exceed 105mm, the best focal length range is 55mm.