Fantastic piece of kit enabling you to use your Nikon g lenses on your fujifilm.
You need to go into your fujifilm settings and set it to take photos without a lens, then it will work fine.
Aperture is set to the lenses smallest and the aperture ring will only change it by 5 stops. So if you have a F4 lens you will not be able to goto F16 for example.
It does have a bit of weight to it but it is of excellent build quality. I have used it with a 50mm Nikon lens and a 70-200mm Nikon lens and there is no movement whatsoever when it’s all connected up. It is a superb fit.
Focus peaking works fine when using the adaptor and focus is spot on.( see photos which were taken in a dimly lit room)
Sharpness is retained throughout.
With the Fuji being an APS-C and my lenses made for full frame there is a crop of 1.5 making my 50mm a 75mm on the fujifilm and when using the 70-200mm it gives me a focal length of 105 - 300mm due to the crop with no loss of quality.
If you have Nikon glass and a fujifilm x camera this is definitely a win-win for you and saving you money. Yes it cannot auto focus, but this is a small price to pay, manual focusing with peaking is far more fun anyway.
I definitely 100% recommend this adaptor.