Zeikos 46mm Glass Multi Coated Circular Polarizing (CPL) filter to protect your lens and decrease reflections on water and glass, as well as increasing the blue of the sky and other colors in your scene. Metal rings.
Based on 271 reviews
Got this for my 52 mm lens. Fit well and did the filtering job just fine.
Very nice filter for sure.
Does a great job of reducing glare and giving the sky a nice blue tint.
Well made and a great product.