Universal 43-77mm /43mm to 77mm Step Up Ring Filter Adapter for UV,ND,CPL,Metal Step Up Ring Adapter

this is the H&Y are evil ring a variable step-down ring for your ND filters hi guys this is cinema 5d and my name is Nino if you use tiada or mirrorless cameras you will know the need for ND filters on them especially variable ND filters are something that are really commonplace to be used on those cameras because they don't have a filter built-in now the problem with these filters is that they are screw on and that means with the different diameters of your lenses you will need to use so called step down or step-up rings to actually be able to put that filter on all kinds of different lenses otherwise you will need a different filter filter for each lens and that's a problem becomes expensive which is why we usually carry around loads of these rings and more often than not you will end up having the wrong ring in your bag with your kit and that's a problem now today H&Y a company based