According to recent research by Nikon its is estimated 327 million photographs to be taken of the Royal Wedding. Nikon Service point is just few meters away from from Westminster Abbey where Kate Middleton and Prince Williams will marry on 29 April, whereas Canon service point is in New Oxford Street (1.4 miles away). Canon and Nikon will also offer free WiFi access for photographers to wire their images before and after the event.
Source and image fotoactualidad || bjp-online.com