Sony A77 vs Sigma sd Quattro

Sony A77 advantages over Sigma sd Quattro

• Tilt-swivel screen
  Tilt-swivel vs none
  Tilt and swivel the screen for maximum shooting flexibility
• Lens selection
  Good vs Limited
  Better lens selection gives you more options
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• In-camera panoramas
  Yes vs No
  Stitches multiple shots into a panoramic photo
• Built-in GPS
  GPS vs None
  Geotag your photos
• Internal flash
  Internal flash vs None
  Useful in a pinch for fill flash
• Top deck display
  Yes vs No
  Check settings with a screen on top of the camera
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• More pixels
  24.3 vs 19.6 megapixels
  Higher resolution photos
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• Faster RAW shooting
  11.6 fps vs 3.6 fps
  Faster RAW shooting in burst mode
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  16000 vs 6400 ISO
  Higher extended ISO can give more low-light flexibility