• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400

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Differences

Sony A900 advantages over Nikon D7000

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.94 vs 4.79 microns
    Better low-light and dynamic range (all else equal)
  • Higher effective ISO
    1,431 vs 1,167 iso
    Take photos in low light with less noise
  • More viewfinder magnification
    0.74x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.6 vs 16.2 megapixels
    Higher resolution photos

Nikon D7000 advantages over Sony A900

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $1500 vs $3000 (MSRP)
    Save money for lenses or accessories
  • More dynamic range
    13.9 vs 12.3 evs
    Retain detail in highlight and shadows
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    9 vs 1
    Cross-type AF points improve autofocus performance
  • 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 AF points
    39 vs 9
    More AF points improve autofocus
  • Faster JPEG shooting
    5.9 fps vs 5.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    19 vs 11 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Dual card slots
    Both provide
    Gives you more storage flexibility
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

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Review Excerpt

  • Very good image quality; Better than average noise vs. detail handling at high ISOs; Very good dynamic range in JPEGs, excellent in RAW files; Lots of high-end features in a relatively compact body; 6 fps burst mode.

  • Viewfinder not as accurate as specified; Viewfinder doesn't show ISO unless adjusting; No live histogram in Live View mode; No phase-detect Live View AF mode.

The Competition

Compared to Canon 5D Mark II

Sony A900
Canon 5D Mark II
  • $3000
  • 35mm
  • In-Camera Image Stabilization
  • More pixels
  • $2699
  • 35mm
  • Lens selection
  • Higher effective ISO
Nikon D7000
Canon 5D Mark II
  • $699
  • APS-C
  • More dynamic range
  • Longer stills battery life
  • $2699
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Sony A850

Sony A900
Sony A850
  • $3000
  • 35mm
  • Faster JPEG shooting
  • $2219
  • 35mm
  • Less expensive
  • Bigger JPEG buffer
Nikon D7000
Sony A850
  • $699
  • APS-C
  • Lens selection
  • Less expensive
  • $2219
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Canon 5D Mark III

Sony A900
Canon 5D Mark III
  • $3000
  • 35mm
  • In-Camera Image Stabilization
  • $2520
  • 35mm
  • Lens selection
  • Higher effective ISO
Nikon D7000
Canon 5D Mark III
  • $699
  • APS-C
  • More dynamic range
  • Internal flash
  • $2520
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-30

Sony A900
Pentax K-30
  • $3000
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $562
  • APS-C
  • Lens selection
  • Focus peaking
Nikon D7000
Pentax K-30
  • $699
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $562
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compared to Pentax K-5 II

Sony A900
Pentax K-5 II
  • $3000
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $750
  • APS-C
  • Lens selection
  • More dynamic range
Nikon D7000
Pentax K-5 II
  • $699
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $750
  • APS-C
  • In-Camera Image Stabilization
  • More telephoto lens reach
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