Fader ND filters are nice to have, but if you want to buy one for each of your lenses it can add up quick. There are a few exceptions, for example the Canon 28mm f1.8, 50mm f1.4, 85mm f1.8, and 100mm f2 all share 58mm filter sizes. But what if you start adding something like the Canon 35mm f1.4 with its large 72mm filter size to your collection?

The cheapest option I’ve found is to simply buy a ND filter for the largest filter size in your collection then step it down using a step down adapter ring. These step down adapter rings are usually only $2 to $4 a peace, compare that with even the low priced Polaroid fader nd filters at $40 a peace. Plus you wont have to worry about vignetting and it gives you a pretty good option for adjusting your fader during a shot.

I will admit however, that it does make the lens look a little odd having that large of filter attached to it. Pictured is my Canon 85mm f1.8 with a 72mm Fader ND attached.

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