Sony may have teased American photographers by launching the NEX-3N and Alpha A58 in Europe, but it's not cruel: both interchangeable lens cameras are coming to the US this April. The NEX-3N will cost a relatively frugal $500 when bundled with the camera's signature motorized, 16-50mm f/3.5-5.6 lens. Venturing into DSLR territory with the Alpha A58 will cost an only somewhat dearer $600 when paired with a refreshed 18-55mm, f/3.5-5.6 kit lens that's quieter and less error-prone than its ancestor. Both A- and E-mount cameras will also be getting a similar raft of accesso
