• 0.98 inch 285.7mm2
  • 4.7 megapixels
  • ISO 100 - 1600
  • APS-C 369.7mm2
  • 14.2 megapixels
  • ISO 100 - 12,800

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Differences

Sigma SD15 advantages over Sony DSLR-A560

  • Bigger pixels
    ~ 7.84 vs 5.16 microns
    Better low-light and dynamic range (all else equal)
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré
  • Bigger JPEG buffer
    21 vs 13 shots
    Take more JPEG shots before waiting (burst mode)

Sony DSLR-A560 advantages over Sigma SD15

  • Lens selection
    Good vs Limited
    Better lens selection gives you more options
  • Larger sensor
    APS-C vs 0.98 inch
    More sensor area. Bigger is (generally) better.
  • 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
  • Longer stills battery life
    More info 1050 vs 250 shots
    Capture more photos
  • More cross-type AF points
    3 vs 1
    Cross-type AF points improve autofocus performance
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More dots on screen
    922k vs 460k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    14.2 vs 4.7 megapixels
    Higher resolution photos
  • More AF points
    15 vs 5
    More AF points improve autofocus
  • Faster JPEG shooting
    7.1 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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

User reviews

Buy From

Review Excerpt

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
Sony DSLR-A560
Olympus E30
  • $750
  • APS-C
  • Less expensive
  • Larger sensor
  • $1299
  • 4/3
  • Top deck display
  • Higher max flash sync

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
Sony DSLR-A560
Sony DSLR-A330
  • $750
  • APS-C
  • In-camera panoramas
  • Higher effective ISO
  • $530
  • APS-C
  • Less expensive
  • Bigger pixels

Compared to Sony DSLR-A500

Sigma SD15
Sony DSLR-A500
  • $1500
  • 0.98 inch
  • Bigger pixels
  • Top deck display
  • $850
  • APS-C
  • Lens selection
  • Larger sensor
Sony DSLR-A560
Sony DSLR-A500
  • $750
  • APS-C
  • In-camera panoramas
  • More cross-type AF points
  • $850
  • APS-C
  • Fast startup
  • Less shutter lag

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
Sony DSLR-A560
Olympus E-5
  • $750
  • APS-C
  • Less expensive
  • Larger sensor
  • $1700
  • 4/3
  • Top deck display
  • More cross-type AF points

Compared to Sony A57

Sigma SD15
Sony A57
  • $1500
  • 0.98 inch
  • Bigger pixels
  • Top deck display
  • $800
  • APS-C
  • Lens selection
  • Focus peaking
Sony DSLR-A560
Sony A57
  • $750
  • APS-C
  • Longer stills battery life
  • $800
  • APS-C
  • Focus peaking
  • Shoots 24p video
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