Sigma 200-500mm f/2.8 EX DG, Canon EF
Canon EF, Canon EF-S, full size
Question about Sigma 200-500mm f/2.8 EX DG, Canon EF
Can I use it to stalk my neighbour?
Your neighbour? You're stalking the US President while he's taking a shit!
Theoretically yes, but you shouldn't ;) ...