hi
just needed some help to fined out what telephoto lens would be best for me for portraits, looking at around £500 to spend. i own a canon 30d old i know but still work well
was looking at Sigma 50-150mm f/2.8 Lens our Canon EF 70-200mm f/4L USM Lens. any help would be great and if there are other lenses i should look at please let me know
just needed some help to fined out what telephoto lens would be best for me for portraits, looking at around £500 to spend. i own a canon 30d old i know but still work well

The size of space you work in would be a big factor surely!