This filter is placed very well on a Nikon 18-200 I prefer fart protective filter lens front of the goal that is not replaceable ideal with children touch everything and especially there or it is not necessary and protect moist air and ambient salty beach you can also do without it is to your own risk and the diameter of your lens is, the more the risk of the scratch is great. in terms of quality is impeccable, Hoya no surprise it is a product of PRO extra fine This filter is a glass that does not alter the image is THE model you need to protect your goal. DO NOT USE FILTER UV which can modify it made the image