If he is correct about medium format, the new Sony will require a new, larger mount and all new lenses. Sony's mount is much smaller than the R or Z.Philip bloom is suggesting it might be a new 100MP 8K shooting Medium format camera. Perhaps a true Medium Format sized sensor... The first of a new series of Alpha cameras. The first of the new Alpha One series. All I can say is if this is true is holy $h!t!!!