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Canon EOS 1D Mk IV

  • Launched: October 2009
  • Type: Digital SLR
  • Sensor: APS-H, 27.9 x 18.6mm
  • Resolution: 16 megapixels
  • Lenses: Canon EF (not EF-S)
  • Key features: 10fps continuous shooting, full HD movies
  • Links: Press release, Product page
Summary: High-speed digital SLR for professionals. It has a unique sensor size mid-way between APS-C and full frame, which puts it at a slight disadvantage to the Nikon D3s, though the Nikon only shoots standard HD movies.

    Nikon D3s

    • Launched: October 2009
    • Type: Digital SLR
    • Sensor: Full frame 'FX' format, 36 x 23.9mm
    • Resolution: 12.1 megapixels
    • Lenses: Nikon F (FX, DX in 'crop' mode)
    • Key features: 9fps continuous shooting, high ISO performance; standard HD movies
    • Links: Press releaseProduct page
    Summary: Second-generation version of Nikon's original full-frame D-SLR optimised for speed, with a 9fps continuous shooting speed (11fps in 'crop' mode) and a maximum ISO raised to 12800.