This Custom Circular Circuit Board Gives USB Control to Your Canon EOS Electronic Focus Optics! – Hackster.io

I think this is really interesting!  I would love to see something like this for the Rolleiflex 6000 series PQ lenses which are really fantastic.  And ideally manufacturers would adopt some kind of protocol so that their lenses could be more easily utilized on different platforms – nah that would never happen!

Source: This Custom Circular Circuit Board Gives USB Control to Your Canon EOS Electronic Focus Optics! – Hackster.io

 

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