• APS-C 328.6mm2
  • 12.2 megapixels
  • ISO 100 - 1600
  • APS-C 369.0mm2
  • 19.6 megapixels
  • 28.00mm (35mm eq.)

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Differences

Canon XSi advantages over Sigma dp1 Quattro

  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 5.20 vs 4.33 microns
    Better low-light and dynamic range (all else equal)
  • Longer stills battery life
    More info 500 vs 200 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    61 mm vs 87 mm
    Thinner
  • 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

Sigma dp1 Quattro advantages over Canon XSi

  • 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
    10 years vs 17 years old
    Newer cameras often support more advanced features
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    19.6 vs 12.2 megapixels
    Higher resolution photos
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré
  • Higher extended ISO
    6400 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

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
  • 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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • HDMI out
    Neither provide
    Use HDMI output to monitor or review 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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Review Excerpt

The Competition

Compared to Nikon D60

Canon XSi
Nikon D60
  • $649
  • APS-C
  • Higher effective ISO
  • Less shutter lag
  • $700
  • APS-C
  • Less expensive
  • Larger sensor

Compare Canon XSi vs Nikon D60

Sigma dp1 Quattro
Nikon D60
  • $999
  • APS-C
  • Higher max flash sync
  • Newer
  • $700
  • APS-C
  • Less expensive
  • Eye-level viewfinder

Compare Sigma dp1 Quattro vs Nikon D60

Compared to Pentax K2000

Canon XSi
Pentax K2000
  • $649
  • APS-C
  • More pixels
  • More AF points
  • $556
  • APS-C
  • Less expensive
  • Larger sensor

Compare Canon XSi vs Pentax K2000

Sigma dp1 Quattro
Pentax K2000
  • $999
  • APS-C
  • Higher max flash sync
  • Newer
  • $556
  • APS-C
  • Less expensive
  • Eye-level viewfinder

Compare Sigma dp1 Quattro vs Pentax K2000

Compared to Canon T1i

Canon XSi
Canon T1i
  • $649
  • APS-C
  • Longer stills battery life
  • $900
  • APS-C
  • Fast startup
  • HDMI out

Compare Canon XSi vs Canon T1i

Sigma dp1 Quattro
Canon T1i
  • $999
  • APS-C
  • Larger sensor
  • Higher max flash sync
  • $900
  • APS-C
  • Eye-level viewfinder
  • Longer stills battery life

Compare Sigma dp1 Quattro vs Canon T1i

Compared to Sigma dp2 Quattro

Canon XSi
Sigma dp2 Quattro
  • $649
  • APS-C
  • Eye-level viewfinder
  • Bigger pixels
  • $899
  • APS-C
  • Larger sensor
  • Higher max flash sync

Compare Canon XSi vs Sigma dp2 Quattro

Sigma dp1 Quattro
Sigma dp2 Quattro
  • $999
  • APS-C
  • Wider angle lens
  • $899
  • APS-C
  • More telephoto lens reach

Compare Sigma dp1 Quattro vs Sigma dp2 Quattro

Compared to Sigma dp3 Quattro

Canon XSi
Sigma dp3 Quattro
  • $649
  • APS-C
  • Eye-level viewfinder
  • Bigger pixels
  • $999
  • APS-C
  • Larger sensor
  • Higher max flash sync

Compare Canon XSi vs Sigma dp3 Quattro

Sigma dp1 Quattro
Sigma dp3 Quattro
  • $999
  • APS-C
  • Wider angle lens
  • $999
  • APS-C
  • More telephoto lens reach

Compare Sigma dp1 Quattro vs Sigma dp3 Quattro

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