• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 750.00mm (35mm eq.)

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Differences

Sony A900 advantages over Nikon S9900

  • Larger sensor
    35mm vs 1/2.3 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
    ~ 5.94 vs 1.34 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 880 vs 300 shots
    Capture more photos
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    24.6 vs 16.0 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Longer exposure
    30 vs 8 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    11 vs 5 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Nikon S9900 advantages over Sony A900

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    39 mm vs 81 mm
    Thinner
  • Newer
    4 years vs 10 years old
    Newer cameras often support more advanced features
  • Lighter weight
    289g vs 939g
    Lighter weight
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Faster JPEG shooting
    7.0 fps vs 5.0 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Review Excerpt

The Competition

Compared to Canon 5D Mark II

Sony A900
Canon 5D Mark II
  • $3000
  • 35mm
  • In-Camera Image Stabilization
  • More pixels
  • $2548
  • 35mm
  • Lens selection
  • Higher effective ISO
Nikon S9900
Canon 5D Mark II
  • $279
  • 1/2.3 inch
  • Less expensive
  • Tilt-swivel screen
  • $2548
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Sony A850

Sony A900
Sony A850
  • $3000
  • 35mm
  • Faster JPEG shooting
  • $2219
  • 35mm
  • Less expensive
  • Bigger JPEG buffer
Nikon S9900
Sony A850
  • $279
  • 1/2.3 inch
  • Tilt-swivel screen
  • In-camera panoramas
  • $2219
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Canon 5D Mark III

Sony A900
Canon 5D Mark III
  • $3000
  • 35mm
  • In-Camera Image Stabilization
  • $2692
  • 35mm
  • Lens selection
  • Higher effective ISO
Nikon S9900
Canon 5D Mark III
  • $279
  • 1/2.3 inch
  • Less expensive
  • Tilt-swivel screen
  • $2692
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Nikon S9700

Sony A900
Nikon S9700
  • $3000
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
  • $280
  • 1/2.3 inch
  • In-camera panoramas
  • Built-in Wi-Fi
Nikon S9900
Nikon S9700
  • $279
  • 1/2.3 inch
  • Tilt-swivel screen
  • $280
  • 1/2.3 inch
  • Slower slow-motion
  • Shoots 60p video

Compared to Sony HX80

Sony A900
Sony HX80
  • $3000
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $318
  • 1/2.3 inch
  • In-camera panoramas
  • Tiltable Screen
Nikon S9900
Sony HX80
  • $279
  • 1/2.3 inch
  • Tilt-swivel screen
  • Built-in GPS
  • $318
  • 1/2.3 inch
  • Eye-level viewfinder
  • Longer stills battery life
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