Sony A900 vs Pentax 645D

Sony A900 advantages over Pentax 645D

• Lens selection
  Good vs Limited
  Better lens selection gives you more options
• Less expensive
  $3000 vs $9996 (MSRP)
  Save money for lenses or accessories
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• Fast startup
  ~0.50 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.

  A900 test data on DxO Mark 645D test data on DxO Mark
  1,431 vs 1,262 iso
  Take photos in low light with less noise
• Thinner
  81 mm vs 119 mm
  Thinner
• Higher max flash sync
  1/250 vs 1/125 sec
  Reduce the effect of ambient light in flash shots
• Lighter weight
  939g vs 1480g
  Lighter weight
• Has anti-aliasing filter
  Filter vs No Filter
  Reduces unsightly moiré in photos
• Faster JPEG shooting
  5.0 fps vs 1.1 fps
  Faster JPEG shooting (burst mode)
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  6400 vs 1600 ISO
  Higher extended ISO can give more low-light flexibility