• 0.98 inch 285.7mm2
  • 4.7 megapixels
  • ISO 100 - 1600
  • APS-C 368.2mm2
  • 16.3 megapixels
  • ISO 200 - 6400

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Differences

Sigma SD15 advantages over Fujifilm X-Pro1

  • Bigger pixels
    ~ 7.84 vs 4.82 microns
    Better low-light and dynamic range (all else equal)
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera

Fujifilm X-Pro1 advantages over Sigma SD15

  • Lens selection
    Good vs Limited
    Better lens selection gives you more options
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 0.98 inch
    More sensor area. Bigger is (generally) better.
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Longer stills battery life
    More info 300 vs 250 shots
    Capture more photos
  • Thinner
    42 mm vs 80 mm
    Thinner
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Lighter weight
    454g vs 680g
    Lighter weight
  • More dots on screen
    1230k vs 460k 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
    0.60x vs 0.53x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    16.3 vs 4.7 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    5.2 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Higher extended ISO
    25600 vs 3200 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
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • 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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Buy the Sigma SD15

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Buy the Fujifilm X-Pro1

Review Excerpt

  • Quality build; Unique hybrid optical viewfinder; Excellent LCD; Good controls; Excellent image quality.

  • Limited to prime lenses (for now); Loose aperture ring and EV dial; Mediocre autofocus speeds; Slow buffer clearing; Tripod socket too close to battery compartment.

The Competition

Compared to Olympus E30

Sigma SD15
Olympus E30
  • $1500
  • 0.98 inch
  • Larger sensor
  • Bigger pixels
  • $1299
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization
Fujifilm X-Pro1
Olympus E30
  • $499
  • APS-C
  • Focus peaking
  • Larger sensor
  • $1299
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization

Compared to Sony DSLR-A330

Sigma SD15
Sony DSLR-A330
  • $1500
  • 0.98 inch
  • Bigger pixels
  • Top deck display
  • $530
  • APS-C
  • Lens selection
  • Larger sensor
Fujifilm X-Pro1
Sony DSLR-A330
  • $499
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $530
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compared to Olympus E-5

Sigma SD15
Olympus E-5
  • $1500
  • 0.98 inch
  • Larger sensor
  • Bigger pixels
  • $1700
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization
Fujifilm X-Pro1
Olympus E-5
  • $499
  • APS-C
  • Focus peaking
  • Larger sensor
  • $1700
  • 4/3
  • In-Camera Image Stabilization
  • Tiltable Screen

Compared to Samsung NX11

Sigma SD15
Samsung NX11
  • $1500
  • 0.98 inch
  • Bigger pixels
  • Top deck display
  • $649
  • APS-C
  • Larger sensor
  • Longer stills battery life
Fujifilm X-Pro1
Samsung NX11
  • $499
  • APS-C
  • Lens selection
  • Focus peaking
  • $649
  • APS-C
  • Less expensive
  • Longer stills battery life

Compared to Sony NEX-6

Sigma SD15
Sony NEX-6
  • $1500
  • 0.98 inch
  • Bigger pixels
  • Top deck display
  • $549
  • APS-C
  • Lens selection
  • Focus peaking
Fujifilm X-Pro1
Sony NEX-6
  • $499
  • APS-C
  • Fast startup
  • Doesn't require an AA filter
  • $549
  • APS-C
  • Less expensive
  • Tiltable Screen
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