Canon 40D vs Nikon D300S

Nikon D300S advantages over Canon 40D

• Fast startup
  ~0.30 vs 0.4 sec
  Faster startup lets you catch the moment
• Higher effective ISO

  Higher effective ISO

  Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.

  Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.

  You can learn more at our glossary entry.

  Maximum effective ISO test data courtesy of DxO Mark.

  D300S test data on DxO Mark 40D test data on DxO Mark
  787 vs 703 iso
  Take photos in low light with less noise
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• More cross-type AF points
  15 vs 9
  Cross-type AF points improve autofocus performance
• HDMI out
  HDMI out vs None
  Use HDMI output to monitor or review video
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• More dots on screen
  922k vs 230k dots
  Can mean greater resolution or a brighter screen
• More pixels
  12.3 vs 10.1 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• More AF points
  51 vs 9
  More AF points improve autofocus
• Faster JPEG shooting
  7.1 fps vs 6.4 fps
  Faster JPEG shooting (burst mode)
• Higher extended ISO
  6400 vs 3200 ISO
  Higher extended ISO can give more low-light flexibility