More on Amazon.com : http://www.amazon.com/gp/product/B000XOLBR4?tag=thefatkidin06-20 <br /> <br />B W Stepdown Ring 67mm to 52mm <br /> <br />Manufactured from high quality aluminum <br />Engraved on side for easy identification while on your lens <br />075 standard thread pitch for all filters in this size
