The Vizelex Cine ND Throttle Lens Mount Adapter from Fotodiox allows a Mamiya 645-mount lens to be used with a FUJIFILM G-mount camera. It includes a built-in variable neutral density filter and provides an exposure reduction of 2 to 8 stops.

645 Lens to G-Mount Camera    Built-In Variable Neutral Density Filter    Controls Exposure by 2 to 8 Stops

Related Questions and Answers

Q: 1. Will this work with Sony NEX5N camera?

A: Yes it is compatible with the NEX5N camera too.

Q: 2. will this work for a tamron 18-400mm? using XT1

A: I don't know, but this thing was returned, too buggy. I wouldn't buy it.

Q: 3. Sorry if this is obvious. I have two Nikkor Ai F lenses once used on an F3 - a 35mm f2 and a 50mm f1.8. I also have a Nikon "E" 70-150 zoom. Will this adaptor allow these legacy lenses to be used on the Fuji GFX50R? Thanks.

A: Yes this adapter will work with all of your NIKKOR lenses.

Q: 4. Is it possible to replace built-in ND filter with your own? Or is there another adapter Nikon-GFX allowing mounting your filter

A: No, the ND in the FotodioX Vizelex Cine ND Throttle Lens Mount Adapter for Nikon F-Mount, G-Type Lens to FUJIFILM G-Mount Camera is not replaceable. And there are no others we are aware of that have that option.

Q: 5. Can this adapter adjust aperture?

A: Yes. For Nikon F-Mount, G-Type Lens, there is a ring on the adapter that turns to change the lens aperture. It can open or close the aperture, though there is no way of knowing the precise aperture the lens is set to.

Q: 6. I'd like to use this with my S5 and a Canon EF 16-35mm f/2.8L II - would there likely be vignetting or other image quality issues caused by this adapter? Would I be better off just getting the Lumix Pro 16-35?

A: There isn't vignetting or image quality issues. Main issues are in autofocus that it is usually not as fast and not as reliable. For the best autofocus features it is recommended to get a native Panasonic lens.

Q: 7. Can the aperture be manually set if you lens has an aperture ring?

A: If you are using a lens that has an aperture ring on it, you will be able to control that aperture. However lenses that do not you will only be able to compensate for the exposure by using the built-in Variable ND Filter.

Q: 8. It works with canon 90d ?

A: No, the FotodioX Vizelex Cine ND Throttle Lens Mount Adapter for Canon EF or EF-S-Mount Lens to Select L-Mount Camera is for L mount cameras. The 90D is an EF/EF-S mount camera.

Q: 9. Is this a 'smart' adapter meaning will it allow continuous af and exchange data with camera body?

A: Because this adapter has electronic communication, this would be able to allow for Continuous AF and exchange of data.

Q: 10. Is this compatible with old Nikkor F-mount lenses, where you manually change the aperture on the lens? I know it would be compatible shooting video, but it is compatible to take photos/stills?

A: Yes it would also be compatible with those older Nikon F mount lenses to take photos/stills.