World’s First Drop-In Filter Lens Mount Adapter

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9 thoughts on “World’s First Drop-In Filter Lens Mount Adapter”

  1. Very cool adapter. I don’t have any Canon lenses at the moment. I am guessing that the OWL folks are working on making them for other brand lenses?

  2. Are polarizing filters available? If yes, how do you rotate them? This would be great for my Canon 17 TS lens on my A7r and soon to be A7r ll system.

    1. You can use any 52mm filter as long at they are thin enough. You’d probably have to remove the filter to rotate. The bigger issue is since this is not a Smart Adapter, EF lenses would be wide open. While that’s fine for certain uses, that may not be what you’re after with a 17 TS.

  3. I know this is an old post, but I came across it when searching to see if anyone had developed an adaptor with a drop-in filter. It solves so many problems, but namely the issue of using filters on lenses with bulbous front elements.

    I’d love to see Metabones take this idea and add it to their adaptors.

    You don’t have to remove the filter to adjust a CPL. There is an adjustment wheel on the outside of the filter holder. You can see it being adjusted at the 1:34 mark in the video.

  4. How thick is the adapter? if it’s over an inch it won’t work on my Zeiss 15mm 2.8 classic
    It won’t focus to infinity if it’s over a inch thick, where can I get the thickness measurement?

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