• APS-C 372.9mm2
  • 10.2 megapixels
  • ISO 100 - 1600
  • APS-C 369.0mm2
  • 14.8 megapixels
  • 45.00mm (35mm eq.)

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Differences

Nikon D3000 advantages over Sigma DP2 Merrill

  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 6.10 vs 5.00 microns
    Better low-light and dynamic range (all else equal)
  • Longer stills battery life
    More info 550 vs 97 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    16 vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light

Sigma DP2 Merrill advantages over Nikon D3000

  • Newer
    6 years vs 9 years old
    Newer cameras often support more advanced features
  • Lighter weight
    355g vs 800g
    Lighter weight
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    14.8 vs 10.2 megapixels
    Higher resolution photos
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré
  • Faster JPEG shooting
    4.0 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    4.0 fps vs 3.1 fps
    Faster RAW shooting in burst mode
  • Higher extended ISO
    6400 vs 3200 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

User reviews

Buy From

Review Excerpt

The Competition

Compared to Pentax K200D

Nikon D3000
Pentax K200D
  • $450
  • APS-C
  • Less expensive
  • Longer stills battery life
  • $800
  • APS-C
  • In-Camera Image Stabilization
  • Fast startup
Sigma DP2 Merrill
Pentax K200D
  • $699
  • APS-C
  • Newer
  • Lighter weight
  • $800
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compared to Canon XS

Nikon D3000
Canon XS
  • $450
  • APS-C
  • Less expensive
  • Larger sensor
  • $440
  • APS-C
  • Fast startup
  • Less shutter lag
Sigma DP2 Merrill
Canon XS
  • $699
  • APS-C
  • Larger sensor
  • Newer
  • $440
  • APS-C
  • Eye-level viewfinder
  • Longer stills battery life

Compared to Sony DSLR-A230

Nikon D3000
Sony DSLR-A230
  • $450
  • APS-C
  • Lens selection
  • Faster JPEG shooting
  • $549
  • APS-C
  • In-Camera Image Stabilization
  • HDMI out
Sigma DP2 Merrill
Sony DSLR-A230
  • $699
  • APS-C
  • Newer
  • Lighter weight
  • $549
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compared to Sony DSLR-A330

Nikon D3000
Sony DSLR-A330
  • $450
  • APS-C
  • Lens selection
  • More viewfinder magnification
  • $530
  • APS-C
  • In-Camera Image Stabilization
  • Tiltable Screen
Sigma DP2 Merrill
Sony DSLR-A330
  • $699
  • APS-C
  • Newer
  • Lighter weight
  • $530
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compared to Pentax K-x

Nikon D3000
Pentax K-x
  • $450
  • APS-C
  • Longer stills battery life
  • $702
  • APS-C
  • In-Camera Image Stabilization
  • Higher effective ISO
Sigma DP2 Merrill
Pentax K-x
  • $699
  • APS-C
  • Newer
  • More dots on screen
  • $702
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization
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