• APS-C 323.4mm2
  • 12.2 megapixels
  • ISO 100 - 6400
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Canon T3 advantages over Olympus E-M5

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.15 vs 3.75 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.30 vs 1.1 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 700 vs 360 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash

Olympus E-M5 advantages over Canon T3

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • More dynamic range
    12.3 vs 11.0 evs
    Retain detail in highlight and shadows
  • Thinner
    43 mm vs 77 mm
    Thinner
  • Higher-res screen
    205k vs 77k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    0.58x vs 0.50x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    16.1 vs 12.2 megapixels
    Higher resolution photos
  • Wider angle kit lens
    24 mm vs 29 mm
    Capture more of the scene with the included lens
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    8.9 fps vs 2.9 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    9.0 fps vs 2.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    16 vs 3 shots
    Larger buffer for RAW shots (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
  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • 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

User reviews

Buy From

Review Excerpt

  • Well-considered ergonomics and control layout; Solid build; Good image quality; Great battery life; High-def movie capture.

  • Frame rate and burst depth not the best, especially for raw; Weak flash for an SLR; No sensor cleaning function; No spot metering.

  • Attractive body design; Well-built, weather-sealed body; Excellent image quality; Excellent image stabilization; Very fast autofocus.

  • Exposure compensation dial changes easily; Small buttons; No in-camera chromatic aberration correction; Bundled flash is weak; Video compression artifacts with rapidly-moving subjects.

The Competition

Compared to Olympus E-M1

Canon T3
Olympus E-M1
  • $500
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $1099
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
Olympus E-M5
Olympus E-M1
  • $799
  • 4/3
  • Less expensive
  • Thinner
  • $1099
  • 4/3
  • Focus peaking
  • Fast startup

Compared to Nikon D3100

Canon T3
Nikon D3100
  • $500
  • APS-C
  • Less expensive
  • Fast startup
  • $700
  • APS-C
  • Larger sensor
  • Higher effective ISO
Olympus E-M5
Nikon D3100
  • $799
  • 4/3
  • In-Camera Image Stabilization
  • Touchscreen
  • $700
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony A33

Canon T3
Sony A33
  • $500
  • APS-C
  • Lens selection
  • Less expensive
  • $540
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Olympus E-M5
Sony A33
  • $799
  • 4/3
  • Lens selection
  • Touchscreen
  • $540
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-r

Canon T3
Pentax K-r
  • $500
  • APS-C
  • Less expensive
  • Longer stills battery life
  • $850
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Olympus E-M5
Pentax K-r
  • $799
  • 4/3
  • Touchscreen
  • Tiltable Screen
  • $850
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Panasonic G3

Canon T3
Panasonic G3
  • $500
  • APS-C
  • Less expensive
  • Larger sensor
  • $700
  • 4/3
  • Touchscreen
  • Tiltable Screen
Olympus E-M5
Panasonic G3
  • $799
  • 4/3
  • In-Camera Image Stabilization
  • Higher effective ISO
  • $700
  • 4/3
  • Internal flash
  • More viewfinder magnification
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