• APS-C 342.8mm2
  • 6.3 megapixels
  • ISO 100 - 3200
  • 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200

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Differences

Canon 10D advantages over Sony A850

  • Bigger pixels
    ~ 7.39 vs 5.94 microns
    Better low-light and dynamic range (all else equal)
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash

Sony A850 advantages over Canon 10D

  • 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
  • Fast startup
    ~0.50 vs 2.3 sec
    Faster startup lets you catch the moment
  • Better color depth
    23.8 vs 21.1 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    1,415 vs 571 iso
    Take photos in low light with less noise
  • More dynamic range
    12.2 vs 10.8 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 880 vs 500 shots
    Capture more photos
  • Newer
    9 years vs 15 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use an external screen to monitor or review video
  • More dots on screen
    922k vs 118k dots
    Can mean greater resolution or a brighter screen
  • More viewfinder magnification
    0.74x vs 0.55x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.6 vs 6.3 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Bigger JPEG buffer
    23 vs 9 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    6400 vs 3200 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
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • 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 Sony A900

Canon 10D
Sony A900
  • $1999
  • APS-C
  • Less expensive
  • Bigger pixels
  • $3000
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
Sony A850
Sony A900
  • $2219
  • 35mm
  • Less expensive
  • Bigger JPEG buffer
  • $3000
  • 35mm
  • Faster JPEG shooting

Compared to Nikon D800

Canon 10D
Nikon D800
  • $1999
  • APS-C
  • Less expensive
  • Bigger pixels
  • $1850
  • 35mm
  • Larger sensor
  • Fast startup
Sony A850
Nikon D800
  • $2219
  • 35mm
  • Less expensive
  • In-Camera Image Stabilization
  • $1850
  • 35mm
  • Lens selection
  • Fast startup

Compared to Canon 5D Mark III

Canon 10D
Canon 5D Mark III
  • $1999
  • APS-C
  • Bigger pixels
  • Internal flash
  • $2850
  • 35mm
  • Larger sensor
  • Fast startup
Sony A850
Canon 5D Mark III
  • $2219
  • 35mm
  • In-Camera Image Stabilization
  • $2850
  • 35mm
  • Lens selection
  • Higher effective ISO

Compared to Nikon D800E

Canon 10D
Nikon D800E
  • $1999
  • APS-C
  • Less expensive
  • Bigger pixels
  • $2212
  • 35mm
  • Larger sensor
  • Fast startup
Sony A850
Nikon D800E
  • $2219
  • 35mm
  • Less expensive
  • In-Camera Image Stabilization
  • $2212
  • 35mm
  • Lens selection
  • Fast startup

Compared to Sony A99

Canon 10D
Sony A99
  • $1999
  • APS-C
  • Bigger pixels
  • Internal flash
  • $2203
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
Sony A850
Sony A99
  • $2219
  • 35mm
  • Fast startup
  • Longer stills battery life
  • $2203
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
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