Fujifiilm’s lens division Fujinon has introduced an ultra-wide angle zoom for its medium format GFX mirrorless cameras. Kevin Carter looks closer   Fujifilm’s GFX medium format cameras offer the compactness of mirrorless with the benefit of a generous 44x33mm sensor, so thumping great big lenses for full-frame 54x40mm 645 DSLRs is becoming less of a thing.  Indeed, as Fujinon used to supply the components for Hasselblad’s now discontinued HC/HCD models for the H series cameras, it’s little surprise that they’re not only filling that void but expanding what’s on offer with their own brand of lenses.  Perhaps the biggest problem Fuji has, though, is competing with the range of ultra-wides…