• 1/2.3 inch 28.1mm2
  • 10.0 megapixels
  • 35.00mm - 105.00mm (35mm eq.)
  • APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000

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Differences

Canon SD770 IS advantages over Sony A57

  • Less expensive
    $300 vs $800 (MSRP)
    Save money for lenses or accessories
  • Thinner
    20 mm vs 80 mm
    Thinner
  • Higher max flash sync
    1/500 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Bigger JPEG buffer
    Unlimited vs 25 shots
    Take more JPEG shots before waiting (burst mode)

Sony A57 advantages over Canon SD770 IS

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.82 vs 1.69 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
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Longer stills battery life
    More info 550 vs 300 shots
    Capture more photos
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Newer
    7 years vs 11 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    16.1 vs 10.0 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Longer exposure
    30 vs 15 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    10.0 fps vs 1.4 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/4000 vs 1/1500 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Both provide
    Useful in a pinch for fill flash

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
  • 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
  • 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

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Review Excerpt

The Competition

Compared to Samsung NV40

Canon SD770 IS
Samsung NV40
  • $212
  • 1/2.3 inch
  • Eye-level viewfinder
  • Longer exposure
  • $329
  • 1/2.33 inch
  • Higher extended ISO
Sony A57
Samsung NV40
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor
  • $329
  • 1/2.33 inch
  • Less expensive
  • Thinner

Compared to Panasonic DMC-FX35

Canon SD770 IS
Panasonic DMC-FX35
  • $212
  • 1/2.3 inch
  • Less expensive
  • Eye-level viewfinder
  • $350
  • 1/2.33 inch
  • Wider angle lens
  • Longer exposure
Sony A57
Panasonic DMC-FX35
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor
  • $350
  • 1/2.33 inch
  • Less expensive
  • Thinner

Compared to Canon SD790 IS

Canon SD770 IS
Canon SD790 IS
  • $212
  • 1/2.3 inch
  • Less expensive
  • Eye-level viewfinder
  • $201
  • 1/2.3 inch
  • Less shutter lag
  • Higher extended ISO
Sony A57
Canon SD790 IS
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor
  • $201
  • 1/2.3 inch
  • Less expensive
  • Thinner

Compared to Nikon D5100

Canon SD770 IS
Nikon D5100
  • $212
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Thinner
  • $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 SD770 IS
Sony A37
  • $212
  • 1/2.3 inch
  • Less expensive
  • Thinner
  • $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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