I just purchased a set of magnetic filter adaptors from Kase. I used Amazon and each purchase reference the Kase Store. I already had a set of ND filters and wanted a way to easily change or stack them.
The filter adaptors worked perfectly but when I went to store them I noticed two different model numbers for the 67mm and 82mm kits. I sent a note to Kase and they said they were the same … that said I wonder why. It could be that 1 group is for Revolution and other for Revolution+ (their newer version.