Not one myself, but spotters are here to stay. In any case why should they be prevented from the freedom of pursuing their perfectly harmless hobby. Whilst, as in ANY security measures taken, they may not be a 100% deterent, I see no harm in taking them on board as an extra set of eyes. As for those of you suggesting that a long lens may resemble a missile launcher, I think you're imagination is getting the better of you. Finally, if a terrorist is armed with a half decent ground-to-air piece of equipment, he doesn't need to use it next to the perimeter fence. 3 to 4 miles on the approach will do just fine. Have any of you anti brigade read about the excellent scheme operating at some of the major Canadian airports?