• 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • APS-C 366.6mm2
  • 16.1 megapixels
  • ISO 200 - 16,000

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Differences

Sony A99 advantages over Sony NEX-3N

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.97 vs 4.78 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.70 vs 2.2 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    1,555 vs 1,067 iso
    Take photos in low light with less noise
  • More dynamic range
    13.9 vs 12.4 evs
    Retain detail in highlight and shadows
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • 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
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Higher-res screen
    307k vs 154k pixels
    More detail on the screen lets you judge focus and composition
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Less shutter lag
    0.13 vs 0.27 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.3 vs 16.1 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
  • Faster JPEG shooting
    5.9 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    17 vs 6 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 vs 16000 ISO
    Higher extended ISO can give more low-light flexibility

Sony NEX-3N advantages over Sony A99

  • Less expensive
    $500 vs $1998
    Save money for lenses or accessories
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    34 mm vs 78 mm
    Thinner

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

  • Excellent image quality for an entry-level mirrorless; User interface ideal for consumers stepping up from point-and-shoots; Speedy and accurate autofocusing; Zoom lever on body; Tremendous value.

  • Lack of hot shoe or accessory port limits more advanced shooting; No electronic viewfinder; Performance lags behind previous model, especially on burst shooting speed.

The Competition

Compared to Nikon D800

Sony A99
Nikon D800
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $1850
  • 35mm
  • Lens selection
  • Fast startup
Sony NEX-3N
Nikon D800
  • $500
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $1850
  • 35mm
  • Lens selection
  • Larger sensor

Compared to Canon 5D Mark III

Sony A99
Canon 5D Mark III
  • $1998
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $2520
  • 35mm
  • Lens selection
  • Fast startup
Sony NEX-3N
Canon 5D Mark III
  • $500
  • APS-C
  • Less expensive
  • Focus peaking
  • $2520
  • 35mm
  • Lens selection
  • Larger sensor

Compared to Nikon D800E

Sony A99
Nikon D800E
  • $1998
  • 35mm
  • Focus peaking
  • Tilt-swivel screen
  • $2212
  • 35mm
  • Lens selection
  • Fast startup
Sony NEX-3N
Nikon D800E
  • $500
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $2212
  • 35mm
  • Lens selection
  • Larger sensor

Compared to Samsung NX1100

Sony A99
Samsung NX1100
  • $1998
  • 35mm
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Less expensive
  • Built-in Wi-Fi
Sony NEX-3N
Samsung NX1100
  • $500
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Built-in Wi-Fi
  • Higher-res screen

Compared to Sony NEX-5T

Sony A99
Sony NEX-5T
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
  • $448
  • APS-C
  • Less expensive
  • Touchscreen
Sony NEX-3N
Sony NEX-5T
  • $500
  • APS-C
  • Longer stills battery life
  • Internal flash
  • $448
  • APS-C
  • Touchscreen
  • Built-in Wi-Fi
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