Opteka Ultra HD 2x Telephoto Lens For Canon PowerShot G6 Large 82mm Front Glass Element The only true 7 element / 5 group digital lens with a Titanium anodized finish, Fully multi-coated, High-index / low-dispersion optical glass. HEAR: (High Efficiency Broad-Band AR Coating) -This multi-layer broadband anti-reflection coating is used in visible display applications for contrast enhancement and glare reduction Full panoramic capability, High speed auto-focus / Infrared compatible, Designed to maximize day and night shots by providing maximum light and image transmission. 58mm rear threads, 82mm front threads USA Lifetime Warranty, Made and designed in Japan - Included: Lens Bag, Lens Covers, Instructions, Lifetime Warranty and Tube Adapter included