I have two B&W 52mm Skylight filters for sale. Both are in there plastic cases and the original boxes. Less than a year old and have not spent much time on lenses. These are like new. I paid $26 each for them. asking $13 each plus $2 for shipping. Or $20 for both and still only $2 for shipping. E-mail me at firstname.lastname@example.org with any questions or to purchase. Thanks!