• 4/3 224.9mm2
  • 10.0 megapixels
  • ISO 100 - 1600
  • APS-C 337.5mm2
  • 20.2 megapixels
  • ISO 100 - 12,800

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Differences

Olympus E-420 advantages over Canon 70D

  • Bigger pixels
    ~ 4.74 vs 4.11 microns
    Better low-light and dynamic range (all else equal)
  • Thinner
    53 mm vs 78 mm
    Thinner
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots

Canon 70D advantages over Olympus E-420

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Higher effective ISO
    926 vs 527 iso
    Take photos in low light with less noise
  • More dynamic range
    11.6 vs 10.4 evs
    Retain detail in highlight and shadows
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 920 vs 500 shots
    Capture more photos
  • More telephoto lens reach
    216 mm vs 84 mm
    Capture objects farther away with the kit lens
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    19 vs 1
    Cross-type AF points improve autofocus performance
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • Newer
    4 years vs 9 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use an external screen to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    1040k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More viewfinder magnification
    0.59x vs 0.46x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    20.2 vs 10.0 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • More AF points
    19 vs 3
    More AF points improve autofocus
  • Faster JPEG shooting
    6.7 fps vs 3.5 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    65 vs 13 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
    25600 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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 Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • 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

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Buy the Canon 70D

Review Excerpt

  • Dual Pixel CMOS AF delivers full-time continuous autofocus (with phase detect at every pixel in framing area) for video and Live View still shooting; Full HD (1080p) video recording with pro-level features and quality; Improved resolution and good high ISO performance; Excellent Wi-Fi remote shooting with full exposure controls; 3-inch articulating LCD touchscreen.

  • Image quality only improved slightly over 60D; Dynamic range still lags behind competing models; May not feature enough upgrades to convince people to step up from 60D.

The Competition

Compared to Nikon D7100

Olympus E-420
Nikon D7100
  • $400
  • 4/3
  • Bigger pixels
  • Thinner
  • $697
  • APS-C
  • Lens selection
  • Larger sensor
Canon 70D
Nikon D7100
  • $1156
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $697
  • APS-C
  • Fast startup
  • Higher effective ISO

Compared to Olympus E-520

Olympus E-420
Olympus E-520
  • $400
  • 4/3
  • Less expensive
  • Fast startup
  • $700
  • 4/3
  • In-Camera Image Stabilization
  • Longer stills battery life
Canon 70D
Olympus E-520
  • $1156
  • APS-C
  • Tilt-swivel screen
  • Lens selection
  • $700
  • 4/3
  • In-Camera Image Stabilization
  • Bigger pixels

Compared to Olympus E-620

Olympus E-420
Olympus E-620
  • $400
  • 4/3
  • Less expensive
  • Fast startup
  • $800
  • 4/3
  • In-Camera Image Stabilization
  • Tiltable Screen
Canon 70D
Olympus E-620
  • $1156
  • APS-C
  • Tilt-swivel screen
  • Lens selection
  • $800
  • 4/3
  • In-Camera Image Stabilization
  • Thinner

Compared to Olympus E-450

Olympus E-420
Olympus E-450
  • $400
  • 4/3
  • Less expensive
  • $700
  • 4/3
Canon 70D
Olympus E-450
  • $1156
  • APS-C
  • Lens selection
  • Larger sensor
  • $700
  • 4/3
  • Bigger pixels
  • Thinner

Compared to Pentax K-3

Olympus E-420
Pentax K-3
  • $400
  • 4/3
  • Bigger pixels
  • Thinner
  • $836
  • APS-C
  • Lens selection
  • Focus peaking
Canon 70D
Pentax K-3
  • $1156
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $836
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
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