• APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000
  • Medium format 2,169.5mm2
  • 101.1 megapixels
  • ISO 50 - 12,800

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Differences

Sony A77 advantages over Phase One XF 100MP

  • Less expensive
    $2000 vs $48990 (MSRP)
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Fast startup
    ~0.80 vs 10.0 sec
    Faster startup lets you catch the moment
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    80 mm vs 160 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Higher max flash sync
    1/250 vs 1/125 sec
    Reduce the effect of ambient light in flash shots
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.12 vs 0.33 sec
    Focus and take a photo quickly (wide angle)
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Faster RAW shooting
    11.6 fps vs 0.6 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Phase One XF 100MP advantages over Sony A77

  • Larger sensor
    Medium format vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.63 vs 3.95 microns
    Better low-light and dynamic range (all else equal)
  • 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
    9 years vs 13 years old
    Newer cameras often support more advanced features
  • More pixels
    101.1 vs 24.3 megapixels
    Higher resolution photos
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    3600 vs 30 sec
    Long exposures for night shots
  • Bigger RAW buffer
    Unlimited vs 14 shots
    Larger buffer for RAW shots (burst mode)

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • 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

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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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Review Excerpt

  • Very fast top frame rate; full-time phase-detect autofocus; Full 60p HD video; Excellent kit lens; Very good high-resolution sensor.

  • Heavy; EVF appears dim when used in bright light; AF tracking in Movie mode was unreliable in our testing.

The Competition

Compared to Canon 7D

Sony A77
Canon 7D
  • $1899
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
  • $1499
  • APS-C
  • Lens selection
  • Fast startup
Phase One XF 100MP
Canon 7D
  • $48990
  • Medium format
  • Focus peaking
  • Larger sensor
  • $1499
  • APS-C
  • Fast startup
  • Internal flash

Compared to Canon 70D

Sony A77
Canon 70D
  • $1899
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1149
  • APS-C
  • Lens selection
  • Touchscreen
Phase One XF 100MP
Canon 70D
  • $48990
  • Medium format
  • Focus peaking
  • Larger sensor
  • $1149
  • APS-C
  • Tilt-swivel screen
  • Fast startup

Compared to Pentax 645Z

Sony A77
Pentax 645Z
  • $1899
  • APS-C
  • Tilt-swivel screen
  • Lens selection
  • $4845
  • Medium format
  • Larger sensor
  • Bigger pixels
Phase One XF 100MP
Pentax 645Z
  • $48990
  • Medium format
  • Larger sensor
  • Touchscreen
  • $4845
  • Medium format
  • Tiltable Screen
  • Fast startup

Compared to Sony A77 II

Sony A77
Sony A77 II
  • $1899
  • APS-C
  • Built-in GPS
  • $1198
  • APS-C
  • Built-in Wi-Fi
  • NFC
Phase One XF 100MP
Sony A77 II
  • $48990
  • Medium format
  • Larger sensor
  • Bigger pixels
  • $1198
  • APS-C
  • Tilt-swivel screen
  • In-Camera Image Stabilization

Compared to Leica S (Typ 007)

Sony A77
Leica S (Typ 007)
  • $1899
  • APS-C
  • Lens selection
  • Less expensive
  • $19995
  • Medium format
  • Larger sensor
  • Bigger pixels
Phase One XF 100MP
Leica S (Typ 007)
  • $48990
  • Medium format
  • Larger sensor
  • Touchscreen
  • $19995
  • Medium format
  • Less expensive
  • Bigger pixels
Compare Other Cameras?