twr25 wrote:
I know your plight! Been there … anyway it seem you lack the most basic lens used generally. Nikon 24-70 2.8 is a work horse. Switching lens during a wedding is tough. The other lens I might take would be the 70-200 mm either Nikon or Tamron for covering those distant shots or to shoot portraits from the dance floor edges.
These are great suggestions. If money is an issue you can always rent lenses for practice and the actual event.