• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 12,800

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Differences

Sony A850 advantages over Canon T4i

  • 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
  • Bigger pixels
    ~ 5.94 vs 4.30 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.50 vs 0.7 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    1,415 vs 722 iso
    Take photos in low light with less noise
  • Longer stills battery life
    More info 880 vs 440 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
  • Less shutter lag
    0.18 vs 0.27 sec
    Focus and take a photo quickly (wide angle)
  • More viewfinder magnification
    0.74x vs 0.53x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.6 vs 18.0 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Canon T4i advantages over Sony A850

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    9 vs 1
    Cross-type AF points improve autofocus performance
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Faster JPEG shooting
    4.8 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Higher extended ISO
    25600 vs 6400 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
  • 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

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • 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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Your purchases support this site

Your purchases support this site

Buy the Canon T4i

Review Excerpt

  • Excellent image quality; 9 cross-type AF points; Stereo microphones; Built-in touchscreen; Multi-shot modes.

  • Slow Live View and video autofocus; High ISO performance is unimproved; Below-average battery life; No dedicated AF illuminator.

The Competition

Compared to Canon T5i

Sony A850
Canon T5i
  • $2219
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $539
  • APS-C
  • Lens selection
  • Tilt-swivel screen
Canon T4i
Canon T5i
  • $579
  • APS-C
  • More telephoto lens reach
  • $539
  • APS-C
  • Less expensive
  • Lighter weight

Compared to Sony A900

Sony A850
Sony A900
  • $2219
  • 35mm
  • Less expensive
  • Bigger JPEG buffer
  • $3000
  • 35mm
  • Faster JPEG shooting
Canon T4i
Sony A900
  • $579
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $3000
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Canon T3i

Sony A850
Canon T3i
  • $2219
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Canon T4i
Canon T3i
  • $579
  • APS-C
  • Touchscreen
  • Fast startup
  • $549
  • APS-C

Compared to Canon 5D Mark III

Sony A850
Canon 5D Mark III
  • $2219
  • 35mm
  • In-Camera Image Stabilization
  • $2079
  • 35mm
  • Lens selection
  • Higher effective ISO
Canon T4i
Canon 5D Mark III
  • $579
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $2079
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-30

Sony A850
Pentax K-30
  • $2219
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $599
  • APS-C
  • Lens selection
  • Focus peaking
Canon T4i
Pentax K-30
  • $579
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $599
  • APS-C
  • Focus peaking
  • Larger sensor
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