DSLR Camera question?

I have a Sony A200 and I’m looking to get a fisheye adapter for it, a new lens, the UV filter, and a flash. On amazon this is my check out list,
1. Zeikos ZE-FLK55 55mm Multi-Coated 3 Piece Filter Kit (UV-CPL-FLD) – $8.52
2.Opteka SB-1 Mini Universal Studio Soft Box Flash Diffuser for Canon [...]