I no longer have my D700 so MPB have D780 and D850 at a price that is affordable and not much difference. Use mostly studio and Landscape, will the FX lenses I have be good enough to show the difference , Tamron SP 24-70mm f/2.8 Di VC USD G2 and Nikon AF-S Nikkor 70-200mm f/2.8G IF-ED VR. Plus...