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Has anyone tried adding a filter holder to lens adapters?

Started Dec 31, 2018 | Questions thread
hindesite Veteran Member • Posts: 4,893
Re: Been there, done that. It is a great idea.

petrochemist wrote:

I'm not sure if any of my many filters are 40.5mm ones, but this sort of approach sounds promising!

Perhaps I'll be able to get away with a 40.5-37mm step down - I have a fair range of 37mm filters. I'll move this up my list of projects

I think using a step down ring - probably larger than 40.5 - is a good approach. For adapters with a flat area the ring could be fixed with adhesive, double sided tape or sealant. Might even work if the right size for adapters that only have a tapered interior surface.

Problem is if you have fat fingers it is hard to get at the filter, and a PL might be impossible to remove.

And of course, there is no reason not to use a step up ring and mount the filter by the front thread, makes no difference in this situation.

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