• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Sony A850 advantages over Panasonic GH4

  • Larger sensor
    35mm vs 4/3
    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 3.75 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.50 vs 0.8 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    1,415 vs 791 iso
    Take photos in low light with less noise
  • Longer stills battery life
    More info 880 vs 530 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More viewfinder magnification
    0.74x vs 0.67x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.6 vs 16.1 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility

Panasonic GH4 advantages over Sony A850

  • 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
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Shoot 4K video
    4K (DCI) vs No
    Make sure you have a fast computer
  • 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
  • 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
  • Newer
    10 years vs 14 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Lighter weight
    569g vs 850g
    Lighter weight
  • 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
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    12.8 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 23 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • 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

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

User reviews

Buy From

Review Excerpt

  • Excellent still image quality for its class; Fantastic, highly-detailed video quality; Superior video recording chops with 4K video (both Cinema 4K and Ultra HD); Responsive all-around performer with great AF performance and burst shooting; Rolling shutter is minimal with 60p and 30p video; Splash- and dust-proof magnesium alloy body; Built-in Wi-Fi with NFC.

  • High ISO performance not as good as some APS-C models (IQ drops quickly past ISO 3200); Overall still image quality not significantly better than the GH3; Sluggish buffer clearing with RAW files; Rolling shutter noticeable on 4K video; Not as compact as most mirrorless cameras.

The Competition

Compared to Sony A900

Sony A850
Sony A900
  • $2219
  • 35mm
  • Less expensive
  • Bigger JPEG buffer
  • $3000
  • 35mm
  • Faster JPEG shooting
Panasonic GH4
Sony A900
  • $898
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $3000
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Canon 5D Mark III

Sony A850
Canon 5D Mark III
  • $2219
  • 35mm
  • In-Camera Image Stabilization
  • $2139
  • 35mm
  • Lens selection
  • Higher effective ISO
Panasonic GH4
Canon 5D Mark III
  • $898
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $2139
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Sony A99

Sony A850
Sony A99
  • $2219
  • 35mm
  • Less expensive
  • Fast startup
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
Panasonic GH4
Sony A99
  • $898
  • 4/3
  • Lens selection
  • Shoot 4K video
  • $1998
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Panasonic GH3

Sony A850
Panasonic GH3
  • $2219
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $798
  • 4/3
  • Lens selection
  • Less expensive
Panasonic GH4
Panasonic GH3
  • $898
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $798
  • 4/3

Compared to Olympus E-M1

Sony A850
Olympus E-M1
  • $2219
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $1099
  • 4/3
  • Lens selection
  • Focus peaking
Panasonic GH4
Olympus E-M1
  • $898
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $1099
  • 4/3
  • In-Camera Image Stabilization
  • On-sensor phase detect
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