• APS-C 323.4mm2
  • 12.2 megapixels
  • ISO 100 - 6400
  • APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000

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Differences

Canon T3 advantages over Sony A57

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $600 vs $800 (MSRP)
    Save money for lenses or accessories
  • Longer stills battery life
    More info 700 vs 550 shots
    Capture more photos

Sony A57 advantages over Canon T3

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C 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
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • More dynamic range
    13.0 vs 11.0 evs
    Retain detail in highlight and shadows
  • More cross-type AF points
    3 vs 1
    Cross-type AF points improve autofocus performance
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Higher-res screen
    307k vs 77k pixels
    More detail on the screen lets you judge focus and composition
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More viewfinder magnification
    0.69x vs 0.50x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    16.1 vs 12.2 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • More AF points
    15 vs 9
    More AF points improve autofocus
  • Faster JPEG shooting
    10.0 fps vs 2.9 fps
    Faster JPEG shooting (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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • 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
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Review Excerpt

  • Well-considered ergonomics and control layout; Solid build; Good image quality; Great battery life; High-def movie capture.

  • Frame rate and burst depth not the best, especially for raw; Weak flash for an SLR; No sensor cleaning function; No spot metering.

  • We haven’t finished our review of the Sony A57, but we have extensive sample photos and a hands-on report.

The Competition

Compared to Nikon D3100

Canon T3
Nikon D3100
  • $500
  • APS-C
  • Less expensive
  • Fast startup
  • $700
  • APS-C
  • Larger sensor
  • Higher effective ISO
Sony A57
Nikon D3100
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $700
  • APS-C
  • Lens selection
  • Higher effective ISO

Compared to Sony A33

Canon T3
Sony A33
  • $500
  • APS-C
  • Lens selection
  • Less expensive
  • $540
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Sony A57
Sony A33
  • $800
  • APS-C
  • Focus peaking
  • Higher effective ISO
  • $540
  • APS-C
  • External Mic Jack

Compared to Pentax K-r

Canon T3
Pentax K-r
  • $500
  • APS-C
  • Less expensive
  • Longer stills battery life
  • $850
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Sony A57
Pentax K-r
  • $800
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $850
  • APS-C
  • Lens selection
  • External Mic Jack

Compared to Nikon D5100

Canon T3
Nikon D5100
  • $500
  • APS-C
  • Fast startup
  • $549
  • APS-C
  • Larger sensor
  • Tilt-swivel screen
Sony A57
Nikon D5100
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $549
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compared to Sony A37

Canon T3
Sony A37
  • $500
  • APS-C
  • Lens selection
  • Fast startup
  • $600
  • APS-C
  • Focus peaking
  • Larger sensor
Sony A57
Sony A37
  • $800
  • APS-C
  • Longer stills battery life
  • Higher-res screen
  • $600
  • APS-C
  • Less expensive
  • External Mic Jack
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