Lens: Power: 0.45x time conversion factor of your current lens setting plus a Macro mode., 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 0.45X 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 55mm Filters., Includes lens cap, bottom cover, & pouch. Made In Japan. Circular Polarizing Filter: 55mm- Increases color saturation and contrast by reducing reflections from non-metallic surfaces and by cutting through haze. Deepens sky color. Filter Factor Between 2.1 and 2.5 (approx. +1.2 stops). Nwv Direct Micro Fiber Cleaning Cloth: Soft-tex silicone cloth for wiping camera lens and other exterior surfaces.