• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 6400
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 12,800

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Differences

Canon 7D advantages over Panasonic GH3

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Fast startup
    ~0.40 vs 0.8 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 800 vs 540 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Higher-res screen
    307k vs 205k pixels
    More detail on the screen lets you judge focus and composition
  • Less shutter lag
    0.13 vs 0.21 sec
    Focus and take a photo quickly (wide angle)
  • Faster JPEG shooting
    8.0 fps vs 6.1 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    8.0 fps vs 5.1 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Panasonic GH3 advantages over Canon 7D

  • Less expensive
    $998* vs $1549
    Save money for lenses or accessories
  • 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
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Newer
    6 years vs 9 years old
    Newer cameras often support more advanced features
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 22 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    24 vs 16 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    25600 vs 12800 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
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • 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 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
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Canon 7D

Review Excerpt

  • Excellent 18-megapixel sensor with impressively low noise and superb detail; Very good high ISO performance, especially for 18-megapixel subframe sensor; Rugged construction with magnesium body and weather sealing; Fast autofocus and fast burst rate of 8 fps; Full HD (1920x1080) movies at 30/25/24p, 60/50p at 1280x720.

  • No dedicated AF-assist lamp (flash is used), and AF-assist adjustment is buried in the Flash Settings menu; Kit lens (28-135mm) isn't quite up to the resolving power of the 18-megapixel sensor, odd focal length for subframe DSLR; No continuous autofocus in Movie mode.

  • Professional quality video in a compact body; Still image quality ranks with the best mirrorless models and even some prosumer DSLRs; Fast autofocus; Rugged, weatherized camera build; Reasonably priced for its advanced feature set; Large selection of high quality lenses.

  • Not as compact as most mirrorless cameras; Live View not available during high speed bursts; High ISO image quality and dynamic range not quite as good as top APS-C cameras.

The Competition

Compared to Canon 7D Mark II

Canon 7D
Canon 7D Mark II
  • $1549
  • APS-C
  • Less expensive
  • Less shutter lag
  • $1572
  • APS-C
  • Higher effective ISO
  • Built-in GPS
Panasonic GH3
Canon 7D Mark II
  • $1149
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $1572
  • APS-C
  • Larger sensor
  • Fast startup

Compared to Canon 60D

Canon 7D
Canon 60D
  • $1549
  • APS-C
  • Less expensive
  • More cross-type AF points
  • $1199
  • APS-C
  • Tilt-swivel screen
  • Longer stills battery life
Panasonic GH3
Canon 60D
  • $1149
  • 4/3
  • Less expensive
  • Touchscreen
  • $1199
  • APS-C
  • Larger sensor
  • Fast startup

Compared to Nikon D7000

Canon 7D
Nikon D7000
  • $1549
  • APS-C
  • More telephoto lens reach
  • More cross-type AF points
  • $699
  • APS-C
  • Larger sensor
  • Higher effective ISO
Panasonic GH3
Nikon D7000
  • $1149
  • 4/3
  • Tilt-swivel screen
  • Touchscreen
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-5

Canon 7D
Pentax K-5
  • $1549
  • APS-C
  • Fast startup
  • More telephoto lens reach
  • $749
  • APS-C
  • Less expensive
  • Larger sensor
Panasonic GH3
Pentax K-5
  • $1149
  • 4/3
  • Tilt-swivel screen
  • Touchscreen
  • $749
  • APS-C
  • Larger sensor
  • Less expensive

Compared to Olympus E-M1

Canon 7D
Olympus E-M1
  • $1549
  • APS-C
  • Larger sensor
  • Fast startup
  • $1123
  • 4/3
  • Focus peaking
  • Less expensive
Panasonic GH3
Olympus E-M1
  • $1149
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $1123
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
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