• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 6400
  • APS-C 369.0mm2
  • 19.6 megapixels
  • 28.00mm (35mm eq.)

Buy From

Differences

Canon T3i advantages over Sigma dp1 Quattro

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Longer stills battery life
    More info 440 vs 200 shots
    Capture more photos
  • 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
  • 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
  • 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
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    12800 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Sigma dp1 Quattro advantages over Canon T3i

  • Larger sensor
    APS-C vs APS-C
    More sensor area. Bigger is (generally) better.
  • Higher max flash sync
    1/1250 vs 1/200 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    4 years vs 8 years old
    Newer cameras often support more advanced features
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

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
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • 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

Buy From

Review Excerpt

  • Excellent image quality; Good grip; Full HD video recording; Swiveling LCD; Very fast autofocus; HDMI output.

  • Slow frame rate for sports shooting; Tendency to overexpose in bright sunlight; Live View AF is slow; No microfocus adjustment.

The Competition

Compared to Nikon D7000

Canon T3i
Nikon D7000
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $699
  • APS-C
  • Larger sensor
  • Fast startup
Sigma dp1 Quattro
Nikon D7000
  • $899
  • APS-C
  • Higher max flash sync
  • Newer
  • $699
  • APS-C
  • Eye-level viewfinder
  • Longer stills battery life

Compared to Pentax K-5

Canon T3i
Pentax K-5
  • $549
  • APS-C
  • Tilt-swivel screen
  • More telephoto lens reach
  • $774
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Sigma dp1 Quattro
Pentax K-5
  • $899
  • APS-C
  • Higher max flash sync
  • Newer
  • $774
  • APS-C
  • Less expensive
  • Eye-level viewfinder

Compared to Canon T4i

Canon T3i
Canon T4i
  • $549
  • APS-C
  • $539
  • APS-C
  • Touchscreen
  • Fast startup
Sigma dp1 Quattro
Canon T4i
  • $899
  • APS-C
  • Larger sensor
  • Higher max flash sync
  • $539
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Sigma dp2 Quattro

Canon T3i
Sigma dp2 Quattro
  • $549
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $899
  • APS-C
  • Larger sensor
  • Higher max flash sync
Sigma dp1 Quattro
Sigma dp2 Quattro
  • $899
  • APS-C
  • Wider angle lens
  • $899
  • APS-C
  • More telephoto lens reach

Compared to Sigma dp3 Quattro

Canon T3i
Sigma dp3 Quattro
  • $549
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $899
  • APS-C
  • Larger sensor
  • Higher max flash sync
Sigma dp1 Quattro
Sigma dp3 Quattro
  • $899
  • APS-C
  • Wider angle lens
  • $899
  • APS-C
  • More telephoto lens reach
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