However, overall accuracy and speed are almost as good as Fujifilm’s native lenses. I have noticed small variations between lenses, but that is to be expected based on the AF technology and amount of glass to be moved around. So, how well does the autofocus work? In short, really well. The adapter will also still read metadata (lens name, maximum aperture) and write them to the file on your GFX provided the lens has CPU contacts. Aperture can be set with the in-built aperture ring and manual focus is possible. That’s not to say AI lenses and D type lenses cannot be used with this adapter. Unfortunately, since D type lenses don’t have a motor in the lens themselves, autofocus is not supported. If it does, the Steelsring adapter can drive the autofocus. Within the Nikon lineup, look for G or E in the nomenclature to ensure that a lens has an in-built focus motor. Thus, there are certain limitations to which lenses can be autofocused on the GFX system. This included the use of screw-driven autofocus and more modern linear motors. Nikon are one of the only manufacturers who have kept the same mount through the autofocus and digital revolutions. The availability of autofocus-capable adapters for Nikon lenses is limited to just one: the Steelsring Nikon F/GFX adapter. That being said, we don’t expect them to perform perfectly. However, there is increased vignetting and corners are not always sharp since the lenses were not designed with the extra sensor real estate in mind. In my experience, most lenses of 35mm or longer have had a large enough image circle that the sensor was covered. One thing to note is that these types of adapters do not have optical elements and so Nikon glass will behave as it does on a Nikon camera and may not cover the full sensor of the GFX. These are great if we plan to use AI lenses or D type lenses that do not benefit from the autofocus functionality of Option 2. Although aperture control is not precise due to a lack of clicked stops, these adapters do allow us to set the aperture anywhere between wide open and fully stopped down. This adapter has a declicked aperture ring that allows the use of Nikon AI, D, and G type lenses with full aperture control.Īdapters like this one allow for all Nikon F Mount lenses to be attached and any that follow Nikon’s Aperture Indexing system can have their apertures controlled by the adapter. I tried several, but the one that I stuck with in the end was the Fotodiox Pro Nik(G) – GFX adapter. These are made by several brands and each have their pros and cons when it comes to build quality. Slight vignetting from using the Nikkor 20mm f/1.8G on the GFX Option 1: Mount Adapterīy far, the simplest and cheapest option for getting the widest variety Nikon F Mount lenses onto your GFX body is a simple mount adapter. However, there are tilt-shift Nikkor lenses that can do this job. The one type of adapter that I haven’t had enough experience with to confidently discuss is the tilt-shift variety. Here, we’ll be looking at simple mount adapters, autofocus adapters, and focal expanders. There are essentially four types of adapters out there for different purposes. Nikon’s different aperture types and autofocus systems need to be considered in some cases, as does the fact that APS-C dedicated lenses are not likely to get close to covering the GFX sensor. One thing to remember when converting Nikkor lenses is that the F mount was used for several generations of lenses and also for two different sensor sizes. From there, however, we can look for additional functionality that might suit our purposes. We need to get over the physical hurdle of converting the mount first. Today, we’ll explore a few different ways to get that beautiful Nikkor glass mounted on your Fujifilm body. Nikon, on the other hand, have over 50 years of lenses available for their F mount and there are some absolute gems you might want to use with your GFX. With the GFX being a relatively new system, the lens lineup isn’t as fleshed out as some other systems. There are several reasons you might want to adapt glass from another system to your Fujifilm GFX including unavailability of lenses in GF mount, a specific look, or extremely fast glass.
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