Canon 5D Mark II vs Pentax 645D

Canon 5D Mark II advantages over Pentax 645D

• Lens selection
  Excellent vs Limited
  Better lens selection gives you more options
• Fast startup
  ~0.40 vs 0.7 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.

  5D Mark II test data on DxO Mark 645D test data on DxO Mark
  1,815 vs 1,262 iso
  Take photos in low light with less noise
• Thinner
  75 mm vs 119 mm
  Thinner
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Higher max flash sync
  1/200 vs 1/125 sec
  Reduce the effect of ambient light in flash shots
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• More AF points
  15 vs 11
  More AF points improve autofocus
• Has anti-aliasing filter
  Filter vs No Filter
  Reduces unsightly moiré in photos
• Faster JPEG shooting
  3.9 fps vs 1.1 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  75 vs 19 shots
  Take more JPEG shots before waiting (burst mode)
• Faster RAW shooting
  3.9 fps vs 1.1 fps
  Faster RAW shooting in burst mode
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  25600 vs 1600 ISO
  Higher extended ISO can give more low-light flexibility