• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • APS-C 369.0mm2
  • 14.8 megapixels
  • ISO 100 - 6400

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Differences

Nikon D7000 advantages over Sigma SD1 Merrill

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Fast startup
    ~0.40 vs 4.5 sec
    Faster startup lets you catch the moment
  • More telephoto lens reach
    158 mm vs 75 mm
    Capture objects farther away with the kit lens
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    9 vs 1
    Cross-type AF points improve autofocus performance
  • 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
  • More dots on screen
    922k 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
  • Less shutter lag
    0.24 vs 0.38 sec
    Focus and take a photo quickly (wide angle)
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • More AF points
    39 vs 11
    More AF points improve autofocus
  • Faster JPEG shooting
    5.9 fps vs 4.1 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    19 vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Sigma SD1 Merrill advantages over Nikon D7000

  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

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
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • 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
  • 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
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Buy the Sigma SD1 Merrill

Review Excerpt

  • Very good image quality; Better than average noise vs. detail handling at high ISOs; Very good dynamic range in JPEGs, excellent in RAW files; Lots of high-end features in a relatively compact body; 6 fps burst mode.

  • Viewfinder not as accurate as specified; Viewfinder doesn't show ISO unless adjusting; No live histogram in Live View mode; No phase-detect Live View AF mode.

The Competition

Compared to Nikon D300S

Nikon D7000
Nikon D300S
  • $699
  • APS-C
  • Higher effective ISO
  • More dynamic range
  • $1299
  • APS-C
  • Fast startup
  • More cross-type AF points
Sigma SD1 Merrill
Nikon D300S
  • $2299
  • APS-C
  • More pixels
  • Doesn't require an AA filter
  • $1299
  • APS-C
  • Lens selection
  • Less expensive

Compared to Sony DSLR-A550

Nikon D7000
Sony DSLR-A550
  • $699
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $859
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
Sigma SD1 Merrill
Sony DSLR-A550
  • $2299
  • APS-C
  • Pentaprism viewfinder
  • More viewfinder magnification
  • $859
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

Compared to Canon T3i

Nikon D7000
Canon T3i
  • $699
  • APS-C
  • Larger sensor
  • Fast startup
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Sigma SD1 Merrill
Canon T3i
  • $2299
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $549
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compared to Pentax K-30

Nikon D7000
Pentax K-30
  • $699
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $556
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Sigma SD1 Merrill
Pentax K-30
  • $2299
  • APS-C
  • Doesn't require an AA filter
  • $556
  • APS-C
  • Lens selection
  • Focus peaking

Compared to Pentax K-5 II

Nikon D7000
Pentax K-5 II
  • $699
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $750
  • APS-C
  • In-Camera Image Stabilization
  • More telephoto lens reach
Sigma SD1 Merrill
Pentax K-5 II
  • $2299
  • APS-C
  • Doesn't require an AA filter
  • $750
  • APS-C
  • Lens selection
  • Less expensive
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