The Kase 150mm f/5.6 AF reflex mirror lens is coming to GFX, and it appears to be autofocus according to B&H Photo‘s listing.
This lens could be a lot of fun for GFX owners because mirror lenses are quite compact and light. The only drawback about this kind of lens is the donut bokeh, which you can find examples of in my review of a mirror lens I own for X-mount here. I will likely pick one of these up for myself in the future, especially if the lens covers the GFX sensor and has autofocus, since I enjoy shooting this kind of lens and own many for X mount already.
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