• APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000
  • APS-C 332.3mm2
  • 24.1 megapixels
  • ISO 100 - 6400

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Differences

Sony A57 advantages over Canon T7

  • 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
  • Bigger pixels
    ~ 4.82 vs 3.72 microns
    Better low-light and dynamic range (all else equal)
  • 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 cross-type AF points
    3 vs 1
    Cross-type AF points improve autofocus performance
  • More viewfinder magnification
    0.69x vs 0.50x
    Get a bigger view of the scene through the eye-level viewfinder
  • More AF points
    15 vs 9
    More AF points improve autofocus
  • Faster JPEG shooting
    10.0 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Canon T7 advantages over Sony A57

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Newer
    7 years vs 13 years old
    Newer cameras often support more advanced features
  • More pixels
    24.1 vs 16.1 megapixels
    Higher resolution photos
  • Bigger JPEG buffer
    150 vs 25 shots
    Take more JPEG shots before waiting (burst mode)

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 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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Kit with 18-55mm lens (Black)
  • Kit with 18-55mm lens (Black)
  • Kit with 18-55mm and 70-300mm lenses (Black)
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Review Excerpt

The Competition

Compared to Nikon D5100

Sony A57
Nikon D5100
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compare Sony A57 vs Nikon D5100

Canon T7
Nikon D5100
  • $439
  • APS-C
  • Less expensive
  • Built-in Wi-Fi
  • $650
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compare Canon T7 vs Nikon D5100

Compared to Sony A37

Sony A57
Sony A37
  • $800
  • APS-C
  • Longer stills battery life
  • Higher-res screen
  • $600
  • APS-C
  • Less expensive
  • External Mic Jack

Compare Sony A57 vs Sony A37

Canon T7
Sony A37
  • $439
  • APS-C
  • Lens selection
  • Built-in Wi-Fi
  • $600
  • APS-C
  • Focus peaking
  • Larger sensor

Compare Canon T7 vs Sony A37

Compared to Pentax K-5 IIs

Sony A57
Pentax K-5 IIs
  • $800
  • APS-C
  • Less expensive
  • Focus peaking
  • $497
  • APS-C
  • Lens selection
  • Higher effective ISO

Compare Sony A57 vs Pentax K-5 IIs

Canon T7
Pentax K-5 IIs
  • $439
  • APS-C
  • Built-in Wi-Fi
  • NFC
  • $497
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Canon T7 vs Pentax K-5 IIs

Compared to Canon T7i

Sony A57
Canon T7i
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor
  • $700
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compare Sony A57 vs Canon T7i

Canon T7
Canon T7i
  • $439
  • APS-C
  • Less expensive
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Canon T7 vs Canon T7i

Compared to Canon SL2

Sony A57
Canon SL2
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor
  • $549
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compare Sony A57 vs Canon SL2

Canon T7
Canon SL2
  • $439
  • APS-C
  • Less expensive
  • Bigger JPEG buffer
  • $549
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Canon T7 vs Canon SL2

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