• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 6400
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Canon T3i advantages over Olympus E-M5 II

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Longer stills battery life
    More info 440 vs 310 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M5 II advantages over Canon T3i

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • 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
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Fast startup
    ~0.80 vs 1.5 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Higher effective ISO
    908 vs 793 iso
    Take photos in low light with less noise
  • Thinner
    44 mm vs 79 mm
    Thinner
  • Newer
    3 years vs 7 years old
    Newer cameras often support more advanced features
  • Less shutter lag
    0.14 vs 0.28 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
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    10.4 fps vs 3.6 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    18 vs 9 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    10.4 fps vs 3.6 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    13 vs 5 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use an external screen 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

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • 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

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Buy the Olympus E-M5 II

Review Excerpt

  • Excellent image quality; Good grip; Full HD video recording; Swiveling LCD; Very fast autofocus; HDMI output.

  • Slow frame rate for sports shooting; Tendency to overexpose in bright sunlight; Live View AF is slow; No microfocus adjustment.

  • Excellent handling in a compact, weather-sealed body; Crisp, roomy electronic viewfinder; Image quality that can take the fight to APS-C DSLRs; Unique high-res mode lets it bat far above its weight for static scenes; Extremely fast 10 fps burst shooting, Excellent video feature set

  • Control dials are easily bumped; Below-average battery life at default settings; Buffer depths for raw shooters are a bit limited; 16-megapixel sensor resolution feels dated; Weak bundled flash strobe

The Competition

Compared to Nikon D7000

Canon T3i
Nikon D7000
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $699
  • APS-C
  • Larger sensor
  • Fast startup
Olympus E-M5 II
Nikon D7000
  • $899
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-5

Canon T3i
Pentax K-5
  • $549
  • APS-C
  • Tilt-swivel screen
  • More telephoto lens reach
  • $749
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Olympus E-M5 II
Pentax K-5
  • $899
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $749
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Canon T4i

Canon T3i
Canon T4i
  • $549
  • APS-C
  • $539
  • APS-C
  • Touchscreen
  • Fast startup
Olympus E-M5 II
Canon T4i
  • $899
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $539
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Panasonic GX7

Canon T3i
Panasonic GX7
  • $549
  • APS-C
  • Tilt-swivel screen
  • Larger sensor
  • $648
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
Olympus E-M5 II
Panasonic GX7
  • $899
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $648
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 II

Canon T3i
Olympus E-M10 II
  • $549
  • APS-C
  • Tilt-swivel screen
  • Larger sensor
  • $516
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
Olympus E-M5 II
Olympus E-M10 II
  • $899
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $516
  • 4/3
  • Less expensive
  • Internal flash
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