• APS-C 328.6mm2
  • 12.2 megapixels
  • ISO 100 - 1600
  • 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200

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Differences

Canon XSi advantages over Sony A900

  • Less expensive
    $900 vs $3000 (MSRP)
    Save money for lenses or accessories
  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    61 mm vs 81 mm
    Thinner
  • Lighter weight
    539g vs 939g
    Lighter weight
  • Bigger JPEG buffer
    53 vs 11 shots
    Take more JPEG shots before waiting (burst mode)

Sony A900 advantages over Canon XSi

  • Larger sensor
    35mm 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
  • Higher effective ISO
    1,431 vs 692 iso
    Take photos in low light with less noise
  • More dynamic range
    12.3 vs 10.8 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 880 vs 500 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More viewfinder magnification
    0.74x vs 0.54x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.6 vs 12.2 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Faster JPEG shooting
    5.0 fps vs 3.5 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    6400 vs 1600 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
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • 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 Nikon D60

Canon XSi
Nikon D60
  • $649
  • APS-C
  • Higher effective ISO
  • Less shutter lag
  • $700
  • APS-C
  • Less expensive
  • Larger sensor
Sony A900
Nikon D60
  • $3000
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $700
  • APS-C
  • Less expensive
  • Lens selection

Compared to Pentax K2000

Canon XSi
Pentax K2000
  • $649
  • APS-C
  • More pixels
  • More AF points
  • $556
  • APS-C
  • Less expensive
  • Larger sensor
Sony A900
Pentax K2000
  • $3000
  • 35mm
  • Larger sensor
  • Top deck display
  • $556
  • APS-C
  • Less expensive
  • Lens selection

Compared to Canon T1i

Canon XSi
Canon T1i
  • $649
  • APS-C
  • Longer stills battery life
  • $900
  • APS-C
  • Fast startup
  • HDMI out
Sony A900
Canon T1i
  • $3000
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $900
  • APS-C
  • Lens selection
  • Less expensive

Compared to Sony A850

Canon XSi
Sony A850
  • $649
  • APS-C
  • Less expensive
  • Lens selection
  • $2219
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
Sony A900
Sony A850
  • $3000
  • 35mm
  • Faster JPEG shooting
  • $2219
  • 35mm
  • Less expensive
  • Bigger JPEG buffer

Compared to Canon 5D Mark III

Canon XSi
Canon 5D Mark III
  • $649
  • APS-C
  • Internal flash
  • Lighter weight
  • $2079
  • 35mm
  • Larger sensor
  • Bigger pixels
Sony A900
Canon 5D Mark III
  • $3000
  • 35mm
  • In-Camera Image Stabilization
  • $2079
  • 35mm
  • Lens selection
  • Higher effective ISO
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