I agree JA, New products needs maturing, very seldom a completely new product is introduced in a complete and satisfactory package, lenses also needs to be there,,,
It isn't until recently the Sigma lenses have risen to something worth using along side the Nikkors, some users report. Zeiss is still MF for their compatible lenses in Nikon F mount,,,
There are numerous other examples of this,,,
Dave has shot extensively with the Pentax 645Z since many years, I recall Lofoten!