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Message: <blockquote data-quote="johnf3f" data-source="post: 3503148" data-attributes="member: 96841">I do not have any field experience of the Nikon 200-500 but I read that it is a pretty/very good lens for the money. I did have a play with one at a show and thought it was quite small and light for it's specification. The Canon 400 F5.6 L is smaller, lighter and (apparently) has faster AF. I wouldn't worry too much about the long MFD, my long lens has an MFD of 6 meters and it isn't a problem very often - when it might be I just use cheap extension tubes.Another lens to consider (with either Canon or Nikon) is the Sigma 150-600 Sports. Yes it is big and heavy but I have tried a couple and have rather liked the results.A lot depends on your budget and which cameras that you are looking to upgrade to. Happy deciding!</blockquote>