- Messages
- 5,161
- Name
- Nigel Cliff
- Edit My Images
- Yes
I really need an f2.8 lens to hopefully move my sports photography up to another level but financies are not brilliant at the moment so I am looking for an older Tamron or Sigma 70-200 f2.8.My query is are there any compatibility problems with older versions of these lenses working on my 400D