You egotistical mother fucker. Everybody knows Nikkons are a pile of junk and only a wanker would buy one. The resolution and CA of the Canon 800mm sucks big time compared to the Sigma. Youve got less brains in your whole body than I have in my little finger. We all know you are the same nym-switching troll. Heh heh, sorry, I'm new and just trying to fit in. Lorry