Despite the introduction of newer, improved models culminating in the very latest X-T1, I've grown fondly attached to my X-Pro1, and threatened by the prospect of an updated, full frame version. I feel a little like Paul Simon when he sings, "Please don't take my Kodachrome away."
A bigger question for me is whether an X-Pro2 will keep its basic style with a hybrid optical/EVF viewfinder. I sure hope so. That is one of the main features that makes the camera so appealing as a cult classic. The other question is whether an EVF finder incorporated into an optical system can have the same excellent characteristics of viewfinder size, refresh rate, and image quality as the X-T1. I'm guessing the engineers at Fujifilm are working on that question right now.
Will a full frame X-Pro1 design be plagued with the same lens conundrum Sony faced with the A7? I am not talking about how Sony dropped the ball by introducing a camera with only the shallowest of lens support. I don't think Fuji would ever make that mistake. Instead, I am thinking of the inherent problem with designing lenses for full frame, which is that they must be larger to cover the larger sensor area and this flies in the face of keeping mirrorless systems compact. Modern lenses are also bulked up by all the auto-focus and stabilization engineering now shrouding the interior optics -- something the manual Leica lenses do not have to include. To make the lenses intended for the A7 full frame series in a size that does not over-power the small camera, Sony had to down-size the maximum zoom apertures to f/4. The new pro zooms coming out for the X-series will be f/2.8 -- larger glass than the variable zooms, certainly, but still reasonably small due to the smaller APS-C sensor they have to complement.
The X-Pro2 will most assuredly accept Leica M lenses. Focus peaking coupled with image magnification now make using manual lenses far more practical. If the X-Pro2 can maintain the optical viewfinder as well as the EVF, it is going to become a very attractive, and much less expensive alternative or supplement to the Leica M.
Fujifilm prides itself, and justly so, on listening to its client base. My guess is that this philosophy of listening will influence the X-Pro2 design as it begins to take shape and reactions come in from the user pool. Not everyone is going to be pleased by going up to full frame. Fuji has mastered the smaller APS-C sensor to a point where serious pro photographers are having no compunction about making the switch from full frame DSLR to Fuji APS-C. The Fuji cameras are really that good.
I have mentioned repeatedly in my reviews of many mirrorless cameras that I feel the manufacturers have gotten caught up in a trendy competition to see who can make the smallest one. To me the nice thing about the X-Pro1 is that it is slightly larger than the rest of the X lineup -- not a lot larger, but enough to make it easier to hold and operate the controls. Maybe instead of moving the X-Pro to full frame, Fuji could consider keeping it as a slightly larger alternative to its other models, perhaps even giving it a beefed up APS sensor. This would add more versatility and choice to the X-camera lineup, and the larger size would allow Fuji to fit in a better EVF finder as well as some more dials -- not to mention it would allow all of us to use the same lenses.
Fuji revolutionized camera design when they introduced the now classic X-Pro1 mirrorless body by tuning into the marketplace, which only begs the questions on a full frame X-Pro2: Can they do it again? Should they do it at all? Are they still listening?
I sure hope so.
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