Box Contents Polarising filterThe polarizing filter your lens Nikon AF-S NIKKOR 50 mm F1.8 g Reduces annoying reflections from reflective surfaces. As you can see for example on image can be seen thanks to the use of a polarizing filter through the mirror water surface Round. This make just as much to car windows and normal boxes. InfoPlease make note of the exact name your lens. This polarising filter is designed for a filter threads with 58 mm. If you are unsure as to which filter you need, send us a message stating the whole lens Description Easy to put on (email us any letter copying, which is very important.).