Pentax A40 vs Nikon D800E

Nikon D800E advantages over Pentax A40

• Larger sensor
  35mm vs 1/1.7 inch
  More sensor area. Bigger is (generally) better.
• Eye-level viewfinder
  Eye-level vs Rear display only
  You'll be able to frame photos even when the sun is out
• Bigger pixels
  ~ 4.88 vs 1.90 microns
  Better low-light and dynamic range (all else equal)
• RAW file ability
  Yes vs No
  Gives you more flexibility to develop your photos later
• Longer stills battery life
  More info

  Longer stills battery life

  Cameras with longer battery life can take more photos before exhausting their batteries.

  Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

  900 vs 240 shots
  Capture more photos
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• 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 232k dots
  Can mean greater resolution or a brighter screen
• Hot shoe
  Hot shoe vs None
  Off-camera flashes open new possibilities
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• More pixels
  36.3 vs 12.0 megapixels
  Higher resolution photos
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Longer exposure
  30 vs 4 sec
  Long exposures for night shots
• Bulb shutter
  Bulb vs No bulb
  Hold the shutter open manually for long exposures
• Faster shutter
  1/8000 vs 1/2000 sec
  Shoot wide open in bright light
• Higher extended ISO
  25600 vs 3200 ISO
  Higher extended ISO can give more low-light flexibility