• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 24.00mm - 840.00mm (35mm eq.)
  • APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000

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Differences

Canon SX40 HS advantages over Sony A57

  • Less expensive
    $430 vs $800 (MSRP)
    Save money for lenses or accessories
  • Higher max flash sync
    1/2000 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Sony A57 advantages over Canon SX40 HS

  • 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 1.54 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Longer stills battery life
    More info 550 vs 380 shots
    Capture more photos
  • Thinner
    80 mm vs 107 mm
    Thinner
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    16.1 vs 12.1 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
  • Bigger JPEG buffer
    25 vs 8 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    25600 vs 3200 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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

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

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Review Excerpt

  • Wide, long all-purpose zoom lens performs well; Very good image quality; Articulating LCD; Good grip; Excellent controls.

  • Rear scroll wheel is too sensitive; Low-res LCD; No lens hood included; Slow startup time; Slow cycle time.

  • 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 Fujifilm HS10

Canon SX40 HS
Fujifilm HS10
  • $342
  • 1/2.3 inch
  • Less expensive
  • More telephoto lens reach
  • $500
  • 1/2.3 inch
  • Slower slow-motion
  • RAW file ability
Sony A57
Fujifilm HS10
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor
  • $500
  • 1/2.3 inch
  • Less expensive
  • Faster JPEG shooting

Compared to Canon SX30 IS

Canon SX40 HS
Canon SX30 IS
  • $342
  • 1/2.3 inch
  • Shoots 24p video
  • Shoots 1080p video
  • $440
  • 1/2.3 inch
  • More pixels
  • Higher extended ISO
Sony A57
Canon SX30 IS
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor
  • $440
  • 1/2.3 inch
  • Less expensive

Compared to Nikon D5100

Canon SX40 HS
Nikon D5100
  • $342
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Higher max flash sync
  • $499
  • APS-C
  • Tilt-swivel screen
  • Larger sensor
Sony A57
Nikon D5100
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $499
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compared to Sony A37

Canon SX40 HS
Sony A37
  • $342
  • 1/2.3 inch
  • Less expensive
  • Higher max flash sync
  • $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

Compared to Panasonic FZ200

Canon SX40 HS
Panasonic FZ200
  • $342
  • 1/2.3 inch
  • More telephoto lens reach
  • Shoots 24p video
  • $320
  • 1/2.3 inch
  • Tilt-swivel screen
  • In-camera panoramas
Sony A57
Panasonic FZ200
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor
  • $320
  • 1/2.3 inch
  • Tilt-swivel screen
  • External Mic Jack
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