Lens: Power: 0.5x time conversion factor of your current lens setting plus a Macro mode. 7 Groups/ 5 Elements. Optical System:Conversion type; mounts on front of existing lens., Mounting System:Screw type in front of existing camera lens into the filter accessory threads., Optics:Designed to maximize use day and night with coated optics to provide maximum image transmission with minimum distortion., Auto Focus:Utilizes camera auto focus system., Adaptability:Maintains all the camera functions plus it provides 0.5X wide angle lens conversion power., Macro: The Macro mode is accomplished by unscrewing the front lens assembly and using the section labeled Macro with your existing camera lens., Accepts 82mm Filters. Includes lens cap, bottom cover, & pouch. Made In Japan.