Sigma SD15 vs Sony A99 II

Sony A99 II advantages over Sigma SD15

• 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
• Focus peaking
  Peaker vs Non-peaker
  Your camera will highlight what's in focus
• Larger sensor
  35mm vs 0.98 inch
  More sensor area. Bigger is (generally) better.
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• Shoot 4K video
  4K (UHD) vs No
  Make sure you have a fast computer
• In-camera panoramas
  Yes vs No
  Stitches multiple shots into a panoramic photo
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• NFC
  Yes vs No
  Simplifies pairing your camera with supported phones
• Built-in Bluetooth
  Yes vs No
  Always-on wireless connectivity
• On-sensor phase detect
  Yes vs No
  Usually improves live view and video AF performance
• 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

  490 vs 250 shots
  Capture more photos
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• More cross-type AF points
  15 vs 1
  Cross-type AF points improve autofocus performance
• Newer
  8 years vs 14 years old
  Newer cameras often support more advanced features
• 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
  1229k vs 460k dots
  Can mean greater resolution or a brighter screen
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• More viewfinder magnification
  0.78x vs 0.53x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  42.4 vs 4.7 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
• More AF points
  79 vs 5
  More AF points improve autofocus
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Faster JPEG shooting
  10.5 fps vs 3.0 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  61 vs 21 shots
  Take more JPEG shots before waiting (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  102400 vs 3200 ISO
  Higher extended ISO can give more low-light flexibility