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

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Differences

Sony A55 advantages over Phase One XF 100MP

  • Less expensive
    $850 vs $48990 (MSRP)
    Save money for lenses or accessories
  • 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
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Fast startup
    ~0.90 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
    84 mm vs 160 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Less shutter lag
    0.22 vs 0.33 sec
    Focus and take a photo quickly (wide angle)
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Phase One XF 100MP advantages over Sony A55

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    Medium format vs APS-C
    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
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Newer
    9 years vs 14 years old
    Newer cameras often support more advanced features
  • More pixels
    101.1 vs 16.2 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

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

  • 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

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Review Excerpt

The Competition

Compared to Canon T2i

Sony A55
Canon T2i
  • $734
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $692
  • APS-C
  • Lens selection
  • Fast startup

Compare Sony A55 vs Canon T2i

Phase One XF 100MP
Canon T2i
  • $48990
  • Medium format
  • Focus peaking
  • Larger sensor
  • $692
  • APS-C
  • Less expensive
  • Fast startup

Compare Phase One XF 100MP vs Canon T2i

Compared to Sony A33

Sony A55
Sony A33
  • $734
  • APS-C
  • Higher effective ISO
  • Built-in GPS
  • $540
  • APS-C

Compare Sony A55 vs Sony A33

Phase One XF 100MP
Sony A33
  • $48990
  • Medium format
  • Focus peaking
  • Larger sensor
  • $540
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compare Phase One XF 100MP vs Sony A33

Compared to Sony A35

Sony A55
Sony A35
  • $734
  • APS-C
  • Tiltable Screen
  • Built-in GPS
  • $567
  • APS-C
  • Less expensive
  • Longer stills battery life

Compare Sony A55 vs Sony A35

Phase One XF 100MP
Sony A35
  • $48990
  • Medium format
  • Focus peaking
  • Larger sensor
  • $567
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compare Phase One XF 100MP vs Sony A35

Compared to Pentax 645Z

Sony A55
Pentax 645Z
  • $734
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
  • $4845
  • Medium format
  • Focus peaking
  • Larger sensor

Compare Sony A55 vs Pentax 645Z

Phase One XF 100MP
Pentax 645Z
  • $48990
  • Medium format
  • Larger sensor
  • Touchscreen
  • $4845
  • Medium format
  • Tiltable Screen
  • Fast startup

Compare Phase One XF 100MP vs Pentax 645Z

Compared to Leica S (Typ 007)

Sony A55
Leica S (Typ 007)
  • $734
  • APS-C
  • Lens selection
  • Less expensive
  • $19995
  • Medium format
  • Focus peaking
  • Larger sensor

Compare Sony A55 vs Leica S (Typ 007)

Phase One XF 100MP
Leica S (Typ 007)
  • $48990
  • Medium format
  • Larger sensor
  • Touchscreen
  • $19995
  • Medium format
  • Less expensive
  • Bigger pixels

Compare Phase One XF 100MP vs Leica S (Typ 007)

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