H&Y REVORING - one filter - fits many lens sizes
The REVORING is the only filter in the World that can resize itself to fit within a range of lens diameters. Yes, thats right.
You have many lenses in your bag, perhaps each have a different filter size? 67mm, 77mm, 82mm? Well REVORING resizes itself to fit all of them.
Check out the video to see how.