Choosing a DSLR This guide focuses on Canon's EOS series of DSLRs ( 1D Mark IV, 5D Mark II, 7D, Rebel T1i, Rebel T2i), but also pertains to Nikon's cameras ( D90, D300s, D3s), as well as other video-capable DSLRs like the Panasonic Lumix GH1, Pentax K-7 HD, and Sony's NEX series.