Only as far as the cost goes.
Originally Posted by ToddB
Actually, the wideangle lenses are a tad better than the coeval WA lenses made for SLRs; an SLR uses a retrofocus design so the lens' rear element will clear the mirror, a RF camera has no such constraint. All the lenses for the Nikon RF cameras are 50 plus year old designs, which is fine as far as standard and long lenses go, but there have been some improvements (especially in WA design) since these cameras were made.
Did I mention they're expensive?