Separately, there is a rumor of a firmware update for the Fujifilm GFX which might address autofocus performance. I am hoping it deals with the erratic and highly variable autofocus performance I saw with both GFX bodies I used.
FUJINON GF23mmF4 R LM WR Lens
The FUJINON GF 23mm F4 R LM WR Lens has a focal length equivalent to 18mm in the 35mm format and is perfectly suited for landscape and architectural applications. Despite the super-wide angle of view, distortion is kept to a minimum, and with the high-resolution performance extending all the way to the edges, sharp depiction power as if looking at an actual landscape is achieved.
FUJINON GF110mmF2 R LM WR Lens
The FUJINON GF 110mm F2 R LM WR Lens is a medium telephoto lens for portraits. With a focal length equivalent to 87mm in the 35mm format, it achieves a brightness of F2.0 when used wide open to deliver beautiful bokeh. The high resolving power of the area in focus and the rich bokeh unique to medium-format large-diameter lenses depicts portraits with a realistic three-dimensional feel.
GFX View Camera Adapter G
The GFX View Camera Adapter G allows the GFX 50S to be used as a digital back. The view camera adapter allows the GFX 50S to be mounted to the standard graflock-type back of a view camera*. This allows the use of FUJINON large format camera lenses, such as the CM-W FUJINON lens series. The camera or lens shutter can be triggered, allowing the user to choose the optimum method. The large image circle and the bellows of the view camera can be used with tilt, shift and swing movements, effective for product and architectural photography.
*There may be instances in which the adapter cannot be mounted depending on the shape of the view camera.