• 0.98 inch 285.7mm2
  • 4.6 megapixels
  • 28.00mm (35mm eq.)
  • APS-C 332.3mm2
  • 15.1 megapixels
  • ISO 100 - 6400

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Differences

Sigma DP1 advantages over Canon T1i

  • Bigger pixels
    ~ 7.84 vs 4.69 microns
    Better low-light and dynamic range (all else equal)
  • Lighter weight
    278g vs 526g
    Lighter weight
  • Faster JPEG shooting
    3.8 fps vs 3.4 fps
    Faster JPEG shooting (burst mode)

Canon T1i advantages over Sigma DP1

  • Larger sensor
    APS-C vs 0.98 inch
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Fast startup
    ~0.30 vs 3.9 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 400 vs 250 shots
    Capture more photos
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More dots on screen
    920k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.16 vs 1.53 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    15.1 vs 4.6 megapixels
    Higher resolution photos
  • Longer exposure
    30 vs 15 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    Unlimited vs 3 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    12800 vs 800 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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
  • 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
  • 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 XSi

Sigma DP1
Canon XSi
  • $999
  • 0.98 inch
  • Bigger pixels
  • Lighter weight
  • $649
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Sigma DP1 vs Canon XSi

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

Compare Canon T1i vs Canon XSi

Compared to Sony DSLR-A350

Sigma DP1
Sony DSLR-A350
  • $999
  • 0.98 inch
  • Bigger pixels
  • Thinner
  • $900
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Sigma DP1 vs Sony DSLR-A350

Canon T1i
Sony DSLR-A350
  • $900
  • APS-C
  • Lens selection
  • Fast startup
  • $900
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Canon T1i vs Sony DSLR-A350

Compared to Pentax K2000

Sigma DP1
Pentax K2000
  • $999
  • 0.98 inch
  • Bigger pixels
  • Thinner
  • $556
  • APS-C
  • Less expensive
  • Larger sensor

Compare Sigma DP1 vs Pentax K2000

Canon T1i
Pentax K2000
  • $900
  • APS-C
  • HDMI out
  • More dots on screen
  • $556
  • APS-C
  • Larger sensor
  • Less expensive

Compare Canon T1i vs Pentax K2000

Compared to Nikon D5000

Sigma DP1
Nikon D5000
  • $999
  • 0.98 inch
  • Bigger pixels
  • Thinner
  • $850
  • APS-C
  • Larger sensor
  • Less expensive

Compare Sigma DP1 vs Nikon D5000

Canon T1i
Nikon D5000
  • $900
  • APS-C
  • Fast startup
  • More dots on screen
  • $850
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Canon T1i vs Nikon D5000

Compared to Sony DSLR-A390

Sigma DP1
Sony DSLR-A390
  • $999
  • 0.98 inch
  • Bigger pixels
  • Thinner
  • $507
  • APS-C
  • Less expensive
  • Larger sensor

Compare Sigma DP1 vs Sony DSLR-A390

Canon T1i
Sony DSLR-A390
  • $900
  • APS-C
  • Lens selection
  • Thinner
  • $507
  • APS-C
  • Larger sensor
  • Less expensive

Compare Canon T1i vs Sony DSLR-A390

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