Be careful when buying a C-mount adapter for M4/3 and Nikon 1

I must confess that I was naive when I bought my first set of C-mount adapters for my Nikon 1 V1 and Olympus OM-D E-M10. I assumed that it was very easy to make a so called “dumb adapter” – meaning an adapter that doesn’t pass through electrical signals from the camera to the lens and vice versa. Boy was I wrong! As it turns out it is quite a challenge to get the design right, in order to ensure compatibility with as many lenses as possible. At least it seems to be a challenge for manufacturers like “Kiwi”. I posted a couple of images down below, so you can identify the adapters in question.

C-mount to Nikon 1

C-mount to Nikon 1 adapter made by Kiwi

C-mount to Micro Four Thirds

C-mount to M4/3 adapter made by Kiwi

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